Publication
2024
Woon Ho Jung, Byong Jae Kim, Mahnmin Choi, Hyeonjun Lee, Hyunjin Cho,Yong Woo Kwon, Yeongho Choi, Hyo Geun Lee, Jinha Yoon, Keeyong Lee, Sang Ho Oh, Seong-Yong Cho, Doh C. Lee, Sohee Jeong, and Jaehoon Lim* "Spatial Control of Nickel Vacancies in Colloidal NiMgO Nanocrystals for Efficient and Stable All-inorganic Quantum Dot Light-Emitting Diodes", Advanced Materials, 2410441 (2024).
DOI: https://doi.org/10.1002/adma.202410441
Wooseon Choi, Bumsu Park, Jaejin Hwang, Gyeongtak Han, Sang-Hyeok Yang, Hyeon Jun Lee, Sung Su Lee6 Ji Young Jo, Albina Y. Borisevich, Hu Young Jeong, Sang Ho Oh*, Jaekwang Lee* and Young-Min Kim*, "Multiphase cooperation for multilevel strain accommodation in a single-crystalline BiFeO3 thin film ", ,Chinese Physics B 33, 096805 (2024).
DOI: 10.1088/1674-1056/ad62e0
Yaolong Xing, Inhwan Kim, Kyeong Tae Kang, Jinho Byun, Woo Seok Choi*, Jaekwang Lee*, Sang Ho Oh*, "Monitoring the formation of infinite-layer transition metal oxides through in situ atomic-resolution electron microscopy ", Nature Chemistry, (2024).
DOI: https://doi.org/10.1038/s41557-024-01617-7
Yuan Lu, Byoung Guan Lee, Cheng Lin, Tae-Kyung Liu, Zhipeng Wang, Jiaming Miao, Sang Ho Oh, Ki Chul Kim*, Kan Zhang*, Jong Hyeok Park*, "Solar-driven highly selective conversion of glycerol to dihydroxyacetone using surface atom engineered BiVO4 photoanodes", Nature Communications 15, 5475 (2024).
DOI: https://doi.org/10.1038/s41467-024-49662-7
Jinsol Seo, Hyungwoo Lee, Kitae Eom, Jinho Byun, Taewon Min, Jaekwang Lee, Kyoungjun Lee, Chang-Beom Eom, Sang Ho Oh*, "Feld-induced modulation of two-dimensional electron gas at LaAlO3/SrTiO3 interface by polar distortion of LaAlO3", Nature Communications 15, 5268 (2024).
DOI: https://doi.org/10.1038/s41467-024-48946-2
Jieun Kim, Muqing Yu, Jung-Woo Lee, Shun-Li Shang, Gi-Yeop Kim, Pratap Pal, Jinsol Seo, Neil Campbell, Kitae Eom, Ranjani Ramachandran, Mark S. Rzchowski, Sang Ho Oh, Si-Young Choi, Zi-Kui Liu, Jeremy Levy, Chang-Beom Eom*, "Electronic-grade epitaxial (111) KTaO3 heterostructures", Science Advances 10, eadk4288 (2024).
DOI: 10.1126/sciadv.adk4288
Yoonjun Cho, Kwang Hee Kim, Prasanta Dhak, Zhen Wang, Hayoung Jeong, Hwakyoung Seo, Kug-Seung Lee, Jeong Woo Han*, Sang Ho Oh*, Jong Hyeok Park*,"Charge-Mediated Stable Low-Valence Cu on TiO2 for Photocatalytic CO2‑to-Ethylene Production", ACS Energy Letters 9, 2739-2747 (2024).
DOI: https://doi.org/10.1021/acsenergylett.4c00762
Hee Tae Jeong, Yaolong Xing, Hyung Ki Park, Tae Wook Na, Sang Ho Oh*, Woo Jin Kim*, "Achieving High Strength and Uniform Ductility in High-Entropy alloys via Dynamic-Precipitation Accelerated Transformation-Induced Plasticity", Acta Materialia 272, 119945 (2024).
DOI: https://doi.org/10.1016/j.actamat.2024.119945
Yaolong Xing, Jaejin Hwang, Kyeong Tae Kang, Woo Seok Choi*, Jaekwang Lee*, Sang Ho Oh*, "Unit-cell-thickness Electron Confinement by Geometrically Constrained Antipolar Ordering", Advanced Funtional Materials, 2406171 (2024).
Meeree Kim, Junho Lee, Jaegwan Jung, Daekwon Shin, Jugyoung Kim, Eunhye Cho, Yaolong Xing, Hyeonjun Jeong, Seongmin Park, Sang Ho Oh, Yong-Hyun Kim,* and Sohee Jeong*, "Surface-Originated Weak Confinement in Tetrahedral Indium Arsenide Quantum Dots", J. Am. Chem. Soc. 146, 10251-10256 (2024).
Kitae Eom, Bongwook Chung, Sehoon Oh, Hua Zhou, Jinsol Seo, Sang Ho Oh, Jinhyuk Jang, Si-Young Choi, Minsu Choi, Ilwan Seo, Yun sang Lee, Youngmin Kim, Hyungwoo Lee, Jung-Woo Lee, Kyoungjun Lee, Mark Rzchowski, Chang-Beom Eom, Jaichan Lee*, "Surface triggered stabilization of metastable charge-ordered phase in SrTiO3", Nature Communications 15, 1180 (2024).
Abstract
Jeehun Jeong, Jaejin Hwang, Yaolong Xing, Zhipeng Wang, Jaekwang Lee*, Sang Ho Oh*, "Subsurface Oxygen Vacancy Mediated Surface Reconstruction and Depolarization of Ferroelectric BaTiO3 (001) Surface", submitted.
Jongil Kim, Jinwook Yeo, Bumsu Park, Jeehun Jeong, Seunghwa Ryu*, Sang Ho Oh*, "Elastic Relaxation of Coherent InGaN/GaN Interfaces at the Microwire LED Sidewall", accepted in Advanced Science
Yaolong Xing*, Stuart S. P. Parkin, Hyeon Han*, Sang Ho Oh*, " Atomic-scale Degradation Mechanism of Nanoparticle Exsolution in Perovskite Thin Films", submitted.
Benjamin Alheit, Celal Soyarslan, Jongil Kim, Sang Ho Oh, Swantje Bargmann*, "Bio-inspired material design: Bimodal Particle Reinforced Composites with Chiral Confinement - Idealizations of Limpet Microstructures", submitted.
Hyejin Jeong, Daehee Lee, Dongjun Jung*, Zhipeng Wang, Jong Ho Lee, Sang Ho Oh*, "Atomic-scale Energy Dispersive X-ray Spectroscopy Determining Site Occupancy of Amphoteric Dopant in BaTiO3 and Correlating with Electrical Properties", submitted.
Jiwon Jeong, Zhuocheng Xie, Markus Alfreider, Sandra Korte-Kerzel, Daniel Kiener, Julien Guénolé, Sang Ho Oh*, "Revealing the nano-scale mechanisms of the limited non-basal plasticity in magnesium", submitted.
2023
Hoe-Min Kwak, Jongil Kim, Je-Sung Lee, Jeongwoon Kim, Jaeyoung Baik, Soo-Young Choi, Sunwoo Shin, Jinsoo Kim, Seung-Hyun Mun, Kyung-Pil Kim, Sang Ho Oh and Dong-Seon Lee*, "2D-material-assisted GaN growth on GaN template by MOCVD and its exfoliation strategy", ACS Appl. Mater. Interfaces 15, 59025-59036 (2023).
Urasawadee Amornkitbamrung, Yongjae In, Jung Heon Lee, Zhen Wang, Sang Ho Oh, Heungsoo Shin, Dae Sung Yoon, Hyunjung Shin*, "Interface-Controlled Biomimetic Intrafibrillar Mineralization of Collagen: Effect of Ca2+/[PO4]3- Concentration Ratio", Advanced Materials Interfaces 10, 2300384 (2023).
Minsu Choi, Hyunwoo Jeon, Kitae Eom, Jinsol Seo, Seulki Roh, Ilwan Seo, Sang Ho Oh, Jungseek Hwang, Yunsang Lee, Warren E. Pickett, Christos Panagopoulos, Chang-Beom Eom, Jaichan Lee*, "Geometrical Doping at the Atomic Scale in Oxide Quantum Materials", ACS Nano 17, 14814-14821 (2023).
Zhipeng Wang, Jinho Byun, Zhen Wang, Yaolong Xing, Jinsol Seo, Jaekwang Lee*, Sang Ho Oh*, "Direct observation of atomic step-assisted stabilization of polar surface", Advanced Materials 35, 2303051 (2023).
Michael Wurmshuber, Jana Wilmers, Jongil Kim, Sang Ho Oh*, Swantje Bargmann*, Daniel Kiener*, "Lower hardness than strength: the auxetic composite microstructure of limpet tooth", Acta Biomaterialia 166, 447-453 (2023).
2022
Hyeon Han, Yaolong Xing, Bumsu Park, Dmitry I. Bazhanov, Yeongrok Jin, John T.S. Irvine, Jaekwang Lee, Sang Ho Oh*, "Anti-phase boundary accelerated exsolution of nanoparticles in non-stoichiometric perovskite thin films", Nature Communications 13, 6682 (2022).
Sang Ho Oh, Jin-Kyung Kim, Yue Liu, Michael Wurmshuber, Xiang-Long Peng, Jinsol Seo, Jiwon Jeong, Zhen Wang, Jana Wilmers, Celal Soyarslan, Jongil Kim, Boonsita Kittiwirayanon, Jeehun Jeong, Hyo-Jeong Kim, Yang Hoon Huh, Daniel Kiener, Swantje Bargmann, Huajian Gao*, "Limpet Teeth microstructure unites auxeticity with extreme strength and high stiffness", Science Advances 8, eadd4644 (2022).
Zhen Wang, Jinho Byun, Subin Lee, Jinsol Seo, Bumsu Park, Jong Chan Kim, Hu Young Jeong, Junhyeok Bang*, Jaekwang Lee*, Sang Ho Oh*, "Vacancy driven surface disorder catalyzes anisotropic evaporation of ZnO (0001) polar surface", Nature Communications 13, 5616 (2022).
Yaolong Xing, Inhwan Kim, Kyeong Tae Kang, Bumsu Park, Zhen Wang, Jong Chan Kim, Hu Young Jeong, Woo Seok Choi*, Jaekwang Lee*, Sang Ho Oh*, "Atomic-scale Operando Observation of Oxygen Diffusion during Topotactic Phase Transition of a Perovskite Oxide", Matter 5, 1-14 (2022).
Daniel Utt, Subin Lee, Yaolong Xing, Hyejin Jeong, Alexander Stukowski, Sang Ho Oh*, Gerhard Dehm*, Karsten Albe*, "The origin of jerky dislocation motion in high-entropy alloys", Nature Communications 13, 4777 (2022).
Mihyang Sheen*, Yunhyuk Ko, Dong-uk Kim, Jongil Kim, Jin-ho Byun, YongSeok Choi, Jonghoon Ha, Ki Young Yeon, Dohyung Kim, Jungwoon Jung, Jinyoung Choi, Ran Kim, Jewon Yoo, Inpyo Kim, Chanwoo Joo, Nami Hong, Joohee Lee, Sang Ho Jeon, Sang Ho Oh, Jaekwang Lee, Nari Ahn, Changhee Lee*, "Highly efficient blue InGaN nanoscale light-emitting diodes", Nature, 608, 56-61 (2022).
Bumsu Park, Ja Kyung Lee, Christoph T. Koch, Martin Wölz, Lutz Geelhaar, Sang Ho Oh*, "High-Resolution Mapping of Strain Partitioning and Relaxation in InGaN/GaN Nanowire Heterostructures", Advanced Science 9, 2200323 (2022).
Xiang-Long Peng, Subin Lee, Jana Wilmers, Sang Ho Oh*, Swantje Bargmann*, "Orientation-dependent micromechanical behavior of nacre: in situ TEM experiments and finite element simulations", Acta Biomaterialia 147, 120-128 (2022).
Kitae Eom, Hanjong Paik, Jinsol Seo, Neil Campbell, Evgeny Y. Tsymbal, Sang Ho Oh, Mark S. Rzchowski, Darrell G. Schlom, Chang-Beom Eom*, "Oxide Two-Dimensional Electron Gas with High Mobility at Room-Temperature", Advanced Science 9, 2105652 (2022).
Taehee Kim, Youngsik Kim, Seongmin Park, Kyoungwon Park, Zhen Wang, Sang Ho Oh, Sohee Jeong*, Dongho Kim*, "Shape-Tuned Multiphoton-Emitting InP Nanotetrapods", Advanced Materials 34, 2110665 (2022).
Kyunghwa Chung, Joonho Bang, Athira Thacharon, Hyun Yong Song, Se Hwang Kang, Woo-Sung Jang, Neha Dhull, Dinesh Thapa, C. Muhammed Ajmal, Bumsub Song, Sung-Gyu Lee, Zhen Wang, Albina Jetybayeva, Seungbum Hong, Kyu Hyoung Lee, Eun Jin Cho, Seunghyun Baik, Sang Ho Oh, Young-Min Kim, Young Hee Lee, Seong-Gon Kim, Sung Wng Kim*, "Non-oxidized bare copper nanoparticles with surface excess electrons in air", Nature Nanotechnology 17, 285-291 (2022).
Jeong Hun Choi, Nitee Kumari, Jung Hun Koo, Amit Kumar, Chang‐Hoon Lee, Ji Hoon Shim, Zhipeng Wang, Sang Ho Oh, In Su Lee*, "Ghost-Template-Faceted Synthesis of Tunable Amorphous Hollow Silica Nanostructures and their Ordered Mesoscale Assembly", Nano Letters 22, 1159-1166 (2022).
Bingjun Jin, Yoonjun Cho, Cheol-woo Park, Jeehun Jeong, Sungsoon Kim, Jie Jin, Wooyul Kim, Luyang Wang, Siyu Lu, Shengli Zhang, Sang Ho Oh, Kan Zhang*, Jonghyeok Park*, "A two-photon tandem black phosphorus quantum dot-sensitized BiVO4 photoanode for solar water splitting", Energy and Environmental Science 15, 672-679 (2022).
Urasawadee Amornkitbamrung, Yongjae In, Zhen Wang, Jiyoon Song, Sang Ho Oh,* Min-Ho Hong,* Hyunjung Shin*, "c‑Axis-Oriented Platelets of Crystalline Hydroxyapatite in Biomimetic Intrafibrillar Mineralization of Polydopamine Functionalized Collagen Type I", ACS Omega 7, 4821-4831 (2022).
2021
Subin Lee, Hadi Ghaffarian, Wonsik Kim, Taegu Lee, Seung Min Han*, Seunghwa Ryu*, and Sang Ho Oh*, "A Study on Dislocation Mechanisms of Toughening in Cu-Graphene Nanolayered Composite", Nano Letters 22, 188-195 (2021).
Sanket Bhoyate, Bumsu Park, Sang Ho Oh, Wonbong Choi*, "Defect engineered MoWS alloy catalyst boost the polysulfide conversion in lithium–sulfur battery", Journal of Power Sources 511, 230426 (2021).
Kitae Eom, Muqing Yu, Jinsol Seo, Dengyu Yang, Hyungwoo Lee, Jung-woo Lee, Patrick Irvin, Sang Ho Oh, Jeremy Levy* and Chang-Beom Eom*, "Electronically reconfigurable complex-oxide heterostructure freestanding membranes", Science Advances 7, eabh1284 (2021).
Junseong Song, Sunghun Kim, Youngkuk Kim, Huixia Fu, Jahyun Koo, Zhen Wang, Gyubin Lee, Jouhahn Lee, Sang Ho Oh, Joonho Bang, Taku Matsushita, Wada Nobuo, Hiroki Ikegami, Jonathan D. Denlinger, Young Hee Lee, Binghai Yan, Yeongkwan Kim, and Sung Wng Kim*, "Coexistence of surface superconducting and three-dimensional topological Dirac states in semimetal KZnBi", Physical Review X 11, 021065 (2021).
Anubhab Acharya, Sateesh Dubbu, Sumit Kumar, Nitee Kumari, Yeseul Kim, Sunae So, Taewan Kwon, Zhipeng Wang, Junbeom Park, Yoon-Kyoung Cho, Junsuk Rho, Sang Ho Oh, Amit Kumar*, In Su Lee*, "Atomically conformal metal-laminations on plasmonic nanocrystals for efficienct catalysis", J. Am. Chem. Soc. 28. 10582-10589 (2021).
Yoonjun Cho, Bumsu Park, Deepak Kumar Padhi, Ismail A.M. Ibrahim, Sungsoon Kim, Kwang Hee Kim, Kug-Seung Lee, Chang-Lyoul Lee, Jeong Woo Han*, Sang Ho Oh* and Jong Hyeok Park*, "Disordered-Layer-Mediated Reverse Metal-Oxide Interactions for Enhanced Photocatalytic Water Splitting", Nano Letters 21, 5247-5253 (2021).
Jooyoung Lee, Hyeonjung Jung, Yoo Sei Park, Seongwon Woo, Nayoung Kwon, Yaolong Xing, Sang Ho Oh*, Sung Mook Choi*, Jeong Woo Han*, Byungkwon Lim*, "Corrosion-engineered bimetallic oxide electrode as anode for high-efficiency anion exchange membrane water electrolyzer", Chemical Engineering Journal 420, 127670 (2021).
Kyung Song, Taewon Min, Jinsol Seo, Sangwoo Ryu, Hyungwoo Lee, Zhipeng Wang, Si-Young Choi, Jaekwang Lee, Chang-Beom Eom, Sang Ho Oh*, "Electronic and Structural Transitions of LaAlO3/SrTiO3 Heterostructure Driven by Polar Field Assisted Oxygen Vacancy Formation at the Surface", Advanced Science 8, 2002073 (2021).
Taewon Min, Wooseon Choi, Jinsol Seo, Gyeongtak Han, Kyung Song, Sangwoo Ryu, Hyungwoo Lee, Jungwoo Lee, Kitae Eom, Chang-Beom Eom, Hu Young Jeong, Young-Min Kim*, Jaekwang Lee*, Sang Ho Oh*, "Cooperative evolution of polar distortion and nonpolar rotation of oxygen octahedra in oxide heterostructures", Science Advances 7, eabe9053 (2021).
Jinsol Seo, Christoph T. Koch, Sangwoo Ryu, Chang-Beom Eom, Sang Ho Oh*, "Analysis of Local Charges at Hetero-interfaces by Electron Holography - A Comparative Study of Different Techniques", Ultramicroscopy 231, 113236 (2021).
Jiwon Jeong, Woo-sung Jang, Kwanghun Kim, Young-Min Kim*, Sang Ho Oh*, "Crystallographic Orientation Analysis of Nanocrystalline Tungsten Thin Film using TEM Precession Electron Diffraction and SEM Transmission Kikuchi Diffraction", Microscopy and Microanalysis 27, 237-249 (2021).
Daniel Kiener*, Jiwon Jeong, Markus Alfreider, Ruth Konetschnik, Sang Ho Oh*, "Prospects of using small scale testing to examine different deformation mechanisms in nanoscale crystals - a case study in Mg", Crystals 11, 61 (2021).
2020
Sang Ho Oh*, Kyungjoon Baek, Sung Kyu Son, Kyung Song, Jang Won Oh, Seung-Joon Jeon, Won Kim, Jong Hee Yoo, Kee Jeung Lee, "In-situ TEM observation of void formation and migration in phase change memory devices with confined nanoscale Ge2Sb2Te5", Nanoscale Advances 2, 3841-3848 (2020).
Se Hwang Kang, Joonho Bang, Kyungwha Chung, Chandani N. Nandadasa, Gyeongtak Han, Subin Lee, Kyu Hyoung Lee, Kimoon Lee, Yanming Ma, Sang Ho Oh, Seung-Gon Kim, Young-Min Kim, Sung Wng Kim*, "Water- and acid-stable self-passivated dihafnium sulfide electride and its persistent electrocatalytic reaction", Science Advances 6, eaba7416 (2020).
Subin Lee, Aviral Vaid, Jiseong Im, Bongsoo Kim, Arun Prakash, Julien Guénolé, Daniel Kiener, Erik Bitzek, Sang Ho Oh*, "In situ observation of the initiation of plasticity by nucleation of prismatic dislocation loops", Nature Communications 11, 2367 (2020).
Subin Lee, María Jazmin Duarte, Michael Feuerbacher, Rafael Soler, Christoph Kirchlechner, Christian H. Liebscher, Sang Ho Oh* and Gerhard Dehm*, "Dislocation plasticity in FeCoCrMnNi high-entropy alloy: quantitative insights from in situ transmission electron microscopy deformation", Materials Research Letters 8, 216-224 (2020).
Sanket Bhoyate, Junyoung Kim, Eunho Lee, Bumsu Park, Eunji Lee, Juhong Park, Sang Ho Oh, Jeongyong Kim, Wonbong Choi*, "Mixed Phase 2D Mo0.5W0.5S2 Alloy as a Multi-Functional Electrocatalyst for a high-performance cathode in Li-S batteries", Journal of Materials Chemistry A 8, 12436-12445 (2020).
2019
Ning Ling, Zhen Wang, Sera Kim, Sang Ho Oh, Jong Hyeok Park, Hyunjung Shin, Suyeon Cho*, Heejun Yang*, "In-operando stacking of reduced graphene oxide towards active hydrogen evolution", ACS Applied Materials & Interfaces 11, 43460 (2019).
Gangtae Jin, Chang-Soo Lee*, Xing Liao, Juho Kim, Zhen Wang, Odongo Francis Ngome Okello, Bumsu Park, Jaehyun Park, Cheolhee Han, Hoseok Heo, Jonghwan Kim, Sang Ho Oh, Si-Young Choi, Hongkun Park, and Moon-Ho Jo*, "Atomically Thin Three-Dimensional Membranes of van der Waals Semiconductors by Wafer-Scale Growth", Science Advances 5, eaaw3180 (2019).
Junseong Song, Hyun Yong, Zhen Wang, Seokhee Lee, Jae-Yeol Hwang, Seung Youb Lee, Jouhahn Lee, Dongwook Kim, Kyu Hyong Lee, Youngkuk Kim, Sang Ho Oh, Sung Wng Kim*, "Creation of two-dimensional layered Zintl phase by dimensional manipulation of crystal structure", Science Advances 5, eaax0390 (2019).
Erdmann Spiecker*, Sang Ho Oh*, Zhi-Wei Shan*, Yuichi Ikuhara*, Scott X. Mao*, "Insights into fundamental deformation processes from advanced in situ transmission electron microscopy", MRS Bulletin 44, 443-449 (2019).
Young-Min Kim, Sung Bo Lee, Jaekwang Lee, Sang Ho Oh*, "Direct observation of degenerate interface layer in GaN/sapphire heterostructure", Nanoscale 11, 8281 (2019).
2018
Jiwon Jeong, Markus Alfreider, Ruth Konetschnik, Daniel Kiener, Sang Ho Oh*, “In-situ TEM observation of {10-12} twin-dominated deformation of Mg pillars: Twinning mechanism, size effects and rate dependency“, Acta Materialia 158, 407-421 (2018).
Juhong Park, Min Su Kim, Bumsu Park, Sang Ho Oh, Jeongyong Kim, Wonbong Choi*, “Composition-tunable synthesis of large-scale Mo1-xWxS2 alloy with enhanced photoluminescence", ACS Nano 12, 6301-6309 (2018).
Yoonjun Cho, Sungsoon Kim, Bumsu Park, Chang-Lyoul Lee, Jung Kyu Kim, Kug-Seung Lee, Il Yong Choi, Kan Zhang, Sang Ho Oh*, Jong Hyeok Park*, “Multiple Heterojunction in Single Titanium Dioxide Nanoparticle for Novel Metal-free Photocatalysis", Nano Letters 18, 4257-4262 (2018).
Hyeona Mun, Young-Min Kim, Seung Jo Yoo, Hyun-Sik Kim, Jiwon Jeong, Sang Ho Oh, G. Jeffrey Snyder, Young Hee Lee, Kyu Hyoung Lee, Sung Wng Kim*, “Highly fluidic liquid at homointerface generates grain boundary dislocation arrays for high-performance bulk thermoelectrics", Acta Materialia 159, 266-275 (2018).
Seonhee Lee, Changdeuck Bae, Jubok Lee, Subin Lee, Sang Ho Oh, Jeongyong Kim, Gyeong-Su Park, Hyun Suk Jung, Hyunjung Shin*, “Fabrication of a stable new polymorph gold nanowire with sixfold rotational symmetry”, Adv. Mater. 30, 1706261 (2018).
H. Lee, N. Campbell, J. Lee, T. J. Asel, T. R. Paudel, H. Zhou, J. W. Lee, B. Noesges, J. Seo, B. Park, L. J. Brillson, S. H. Oh, E. Y. Tsymbal, M. S. Rzchowski, and C. B. Eom*, “Direct observation of a two-dimensional hole gas at oxide interfaces”, Nature Materials 17, 231-236 (2018).
Kyung Song, Sangwoo Ryu, Hyungwoo Lee, Tula R. Paudel, Christoph T. Koch, Bumsu Park, Ja Kyung Lee, Si-Young Choi, Young-Min Kim, Jong Chan Kim, Hu Young Jeong, Mark S. Rzchowski, Evgeny Y. Tsymbal, Chang-Beom Eom, Sang Ho Oh*, “Direct imaging of the electron liquid at oxide interfaces”, Nature Nanotechnology 13, 198-203 (2018).
Ja Kyung Lee, Bumsu Park, Kyung Song, Woo Young Jung, Dmitry Tyutyunnikov, Tiannan Yang, Christoph T. Koch, Chan Gyung Park, Peter A. van Aken, Young-Min Kim, Jong Kyu Kim, Junhyeok Bang, Long-Qing Chen, Sang Ho Oh*, “Strain-induced Indium Clustering in Non-polar a-plane InGaN Quantum Wells”, Acta Materialia 145, 109-122 (2018).
2017
Kan Zhang, Jung Kyu Kim, Bumsu Park, Shifeng Qian, BingJun Jin, Xiaowei Sheng, Haibo Zeng, Hyunjung Shin, Sang Ho Oh, Chang-Lyoul Lee*, Jong Hyeok Park*, “Defect induced Epitaxial Growth for Efficient Solar Hydrogen Production”, Nano Letters 17, 6676-6683 (2017).
Daesu Lee, Jaeseong Lee, Kyung Song, Fei Xue, Si-Young Choi, Yanjun Ma, Jacob Podkaminer, Dong Liu, Shih-Chia Liu, Bongwook Chung, Wenjuan Fan, Weidong Zhou, Jaichan Lee, Long-Qing Chen, Sang Ho Oh, Zhenqiang Ma*, Chang-Beom Eom*, “Sharpened VO2 phase transition via controlled release of epitaxial strain”, Nano Letters 17, 5614-5619 (2017).
Hwang, Byungil; Kim, Wonsik; Kim, Jaemin; Lee, Subin; Lim, Seoyoen; Kim, Sangmin; Oh, Sang Ho; Ryu, Seunghwa; Han, Seung Min*, "Role of Graphene in Reducing Fatigue Damage in Cu/Gr Nanolayered Composite", Nano Letters 17, 4740-4745 (2017).
Byeong-Gyu Chae, Jae-Bok Seol, Jeong-Hwan Song, Kyungjoon Baek, Chang-Min Kwak, Sang Ho Oh, Hyunsang Hwang*, Chan-Gyung Park*, “Nanometer-Scale Phase Transformation Determines Threshold and Memory Switching Mechanism”, Advanced Materials 29, 1701752 (2017).
Xiaoyan Li, Sheng Yin, Sang Ho Oh, Huajian Gao*, “Hardening and toughening mechanisms in nanotwinned ceramics”, Scripta Materialia 133, 105-122 (2017).
Jinbong Seok, Jun-Ho Lee, Suyeon Cho, Byungdo Ji, Hyo Won Kim, Min Kwon, Do Hyun Kim, Young-Min Kim, Sang Ho Oh, Sung Wng Kim, Young Hee Lee, Young-Woo Son, Heejun Yang*, ”Active hydrogen evolution through lattice distortion in semimetallic MoTe2”, 2D Materials. 4, 025061 (2017).
Kyungjoon Baek, Sangsu Park, Jucheol Park, Young-Min Kim*, Hyunsang Hwang, Sang Ho Oh*, "In situ TEM Observation on the interface-type resistive switching by electrochemical redox reactions at a TiN/PCMO interface", Nanoscale 9, 582-593 (2017).
2016
A. Leitner, V. Maier-Kiener, J. Jeong, M.D. Abad, P. Hosemann, Sang Ho Oh, D. Kiener*, "Interface dominated mechanical properties of ultra-fine grained and nanoporous Au at elevated temperatures", Acta Materialia 121, 104-116 (2016).
Kibong Moon, Euijun Cha, Jaesung Park, Sanggyun Gi, Myonglae Chu, Kyungjoon Baek, Byunggeun Lee, Sang Ho Oh, Hyunsang Hwang*, “Analog Synapse Device With 5-b MLC and Improved Data Retention for Neuromorphic System”, IEEE Electron Device Letters 37, 1067-1070 (2016).
M. Alfreider, J. Jeong, R. Esterl, Sang Ho Oh, D. Kiener, “Synthesis and Mechanical Characterisation of an Ultra-fine Grained Ti-Mg Composite“, Materials 9, 688 (2016).
Subin Lee, Jiwon Jeong, Youbin Kim, Seung Min Han, Daniel Kiener, Sang Ho Oh*, "FIB-induced dislocations in Al submicron pillars: Annihilation by thermal annealing and effects on deformation behavior", Acta Materialia 110, 283-294 (2016).
Ho Sang Jung, Yeongjin Choi, Jiwon Jeong, Yongmoon Lee, Byungwoo Hwang, Jinah Jang, JinHyung shim, Yunseop Kim, Hyun Sik Choi, Sang Ho Oh, Chong Soo Lee, Dong-Woo Cho, and Sei Kwang Hahn*, "Nanoscale graphene coating on commercially pure titanium for accelerated bone regeneration", RCS Advances 6, 26719-26724 (2016).
Yoon Ah Shin, Sheng Yin, Xiaoyan Li, Subin Lee, Sungmin Moon, Jiwon Jeong, Minhyug Kwon, Seung Jo Yoo, Young-Min Kim, Teng Zhang, Huajian Gao* and Sang Ho Oh*, "Nanotwin-governed toughening mechanism in hierarchically structured biological materials", Nature Communications 7, 10772 (2016).
2015
Kibong Moon, Euijun Cha, Jaesung Park, Sanggyun Gi, Myonglae, Kyungjoon Baek, Byunggeun Lee, Sang Ho Oh and Hyunsang Hwang*, "High density neuromorphic system with Mo/Pr0.7Ca0.3MnO3 synapse and NbO2 IMT oscillator neuron", IEEE IEDM, 17.6.1-17.6.4 (2015).
B. G. Chae, Kyungjoon Baek, J. H. Song, H. S. Hwang, Sang Ho Oh. J. B. Seol and C. G. Park*, "Self-relaxed conductive filament in ReRAM analyzed by in-situ TEM and Atom Probe Tomography", Microscopy 64 (suppl_1): i22 (2015).
Taekyung Lee, Kyung-Tae Park, Dong Jun Lee, Jiwon Jeong, Sang Ho Oh, Hyoung Seop Kim, Chan Hee Park, Chong Soo Lee*, "Microstructural evolution and strain-hardening behavior of multi-pass caliber-rolled TI-13Nb-13Zr", Materials Science and Engineering 648, 359-366 (2015).
Yeon Jun Kim, Jung Kyu Choi, Dong-Gyu Lee, Kyungjoon Baek, Sang Ho Oh, and In Su Lee*, "Solid-state Conversion Chemistry of Multicomponent Nanocrystals Cast in a Hollow Silica Nanosphere: Morphology-controlled Syntheses of Hybrid Nanocrystals", ACS Nano 9, 10719-10728 (2015).
Kyungjoon Baek, Kyung Song, Sung Kyu Son, Jang Won Oh, Seung-Joon Jeon, Won Kim, Ho Joung Kim and Sang Ho Oh*, "Microstructure-dependent DC set switching behaviors of Ge-Sb-Te-based phase-change random access memory devices accessed by in situ TEM", NPG Asia Materials 7, e194-e203, (2015).
Byungil Hwang, Mijeong Kang, Subin Lee, Christopher R. Weinberger, Phillip Loya, Jun Lou, Sang Ho Oh, Bongsoo Kim*, and Seung Min Han*, "Effect of Surface Energy on Size-Dependent Deformation Twinning of Defect-Free Au Nanowires", Nanoscale 7, 15657-15664, (2015).
Youbin Kim, Subin Lee, Jong Bae Jeon, Byeong-Joo Lee, Sang Ho Oh*, Seung Min Han*, "Effect of a high angle grain boundary deformation behavior of Al nanopillars", Scripta Materialia 107, 5-7, (2015).
D. Lee, H. Lu, Y. Gu, S.-Y. Choi, S.-D. Li, S. Ryu, T. R. Paudel, Kyung Song, E. Mikheev, S. Lee, S. Stemmer, D. A. Tenne, Sang Ho Oh, E. Y. Tsymbal, X. Wu, L.-Q. Chen, A. Gruverman*, C. B. Eom*, "Emergence of Room-Temperature Ferroelectricity at Reduced Dimensions", Science 349, 1314-1317, (2015).
Kanghyun Chu, Byung-Kweon Jang, Ji Ho Sung, Yoon Ah Shin, Eui-Sup Lee, Kyung Song, Jin Hong Lee, Chang-Su Woo, Seung Jin Kim, Si-Young Choi, Tae-Yeong Koo, Yong-Hyun Kim, Sang Ho Oh, Moon-Ho Jo, and Chan-Ho Yang* , “Enhancement of the anisotropic photocurrent in ferroelectric oxides by strain gradients”, Nature Nanotechnology 10, 972-979 (2015).
Dong Jun Lee, Jai Myun Jung, Marat I. Latypov,Byounggab Lee, Jiwon Jeong, Sang Ho Oh, Chong Soo Lee, Hyoung Seop Kim*, “Three-dimensional real structure-based finite element analysis of mechanical behavior for porous titanium manufactured by a space holder method”, Computational Materials Science 100, 2-7 (2015).
Seung Hee Lee, Jeong Kwon, Dong Yeong Kim, Kyung Song, Sang Ho Oh, Jaehee Cho, E. Fred Schubert, Jong Hyeok Park*, Jong Kyu Kim*, “Enhanced power conversion efficiency of dye-sensitized solar cells with multifunctional photoanodes based on a three-dimensional TiO2nanohelix array”, Solar Energy Materials & Solar Cells 132, 47-55 (2015).
Kyung Song, Christoph T. Koch, Ja Kyung Lee, Dong Yeong Kim, Jong Kyu Kim, Amin Parvizi, Woo Young Jung, Chan Gyung Park, Hyeok Jae Jeong, Hyoung Seop Kim, Ye Cao, Tiannan Yang, Long-Qing Chen, and Sang Ho Oh*, “Correlative High-Resolution Mapping of Strain and Charge Density in a Strained Piezoelectric Multilayer”, Advanced Materials Interfaces 2, 1400281 (2015).
2014
Kyun Taek Cho, Kyung Song, Sang Ho Oh, Yong-Kook Lee, Won Beom Lee*, “Enhanced surface hardening of AISI D2 steel by atomic attrition during ion nitriding”, Surface and Coatings Technology 251, 115-121 (2014).
Abstract
Byung Hoon Jo, Jeong Hyun Seo, Kyungjoon Baek, Yoo Seong Choi, Seung Pil Pack, Sang Ho Oh, Hyung Joon Cha*, "Bioinspired silica nanocomposite with auto-encapsulated carbonic anhydrase as a robust biocatalyst for CO2 sequestration", ACS Catalysts 4, 4332-4340 (2014).
Xinjian Shi, Il Yong Choi, Kan Zhang, Jeong Kwon, Dong Yeong Kim, Ja Kyung Lee, Sang Ho Oh, Jong Kyu Kim*, Jong Hyeok Park*, "Highly Efficient Photoelectrochemical Hydrogen Production from BiVO4-Decorated WO3 Helix Nanostructures", Nature Communications 5, 4775 (2014).
Jiwon Jeong, Subin Lee, Youbin Kim, Seung Min Han, Daniel Kiener, Youn-Bae Kang, Sang Ho Oh*, "Microstructural evolution of a FIB-fabricated Mg nanopillar at high temperatures: Defect annihilation and sublimation", Scripta Materialia 86, 44-47 (2014)
Youn-Bae Kang*, Jiwon Jeong, Sang Ho Oh, "Critical evaluation and thermodynamic optimization of Mg-Ga system and effect of low pressure on phase equilibria", CALPHAD 46, 168-175 (2014).
Seung Hee Lee, Ho Jin, Dong-Yeong Kim, Kyung Song, Sang Ho Oh, Sungjee Kim, E. Fred Schubert, Jong Kyu Kim*, "Enhanced power conversion efficiency of quantum dot sensitized solar cells with near single-crystalline TiO2 nanohelixes used as photoanodes", Optics Express 22, A867-A879 (2014).
Byounggab Lee, Taekyung Lee, Yongmoon Lee, Dong Jun Lee, Jiwon Jeong, Junhan Yuh, Sang Ho Oh, Hyoung Seop Kim, Chong Soo Lee*, "Space-Holder Effect on Designing Pore Structure and Determining Mechanical Properties in Porous Titanium", Materials and Design 57, 712-718 (2014).
Abstract
Fatemeh Sadat Torknik, Amir Maghsoudipour, Mansoor Keyanpour-Rad, Gyeong Man Choi, Sang Ho Oh, Ga-Young Shin, "Microstructural refinement of Ni/Ce0.8Gd0.2O2-δanodes for low-temperature solid oxide fuel cell by wet infiltration loading of PdCl2", Ceramics International 40, 12299-12312 (2014).
Hyunah Kwon, Juyoung Ham, Dong Yeong Kim, Seung Jae Oh, Subin Lee, Sang Ho Oh, E. Fred Schubert, Kyung-Geun Lim, Tae-Woo Lee, Sungjun Kim, Jong-Lam Lee*, Jong Kyu Kim*, "Three-Dimensional nanostructured Indium-Tin-Oxide electrodes for enhanced performance of bulk heterojunction organic solar cells", Advanced Energy Materials 1301566, 1-7 (2014).
Subin Lee, Jiseong Im, Youngdong Yoo, Erik Bitzek, Bongsoo Kim, Sang Ho Oh*, "Reversible cyclic deformation mechanism of Au Nanowires by twinning-detwinning transition evidenced from in-situ TEM", Nature Communications 5, 3033 (2014).
2013
Son, S. K., Jeon, S. J., Oh, J. W., Kim, W., Kim, H. J., Lee, J. H., Woo, S. H., Do, G. S., Lee, S. Y., Kyungjoon Baek and Sang Ho Oh*, "In-situ characterization of switching mechanisms in phase change random access memory (PRAM) using transmission electron microscopy (TEM)", Proceedings from the 39th International Symposium for Testing and Failure Analysis (ISTFA), 236-238 (2013).
Abstract
Kyun Yaek Cho, Kyung Song, Sang Ho Oh, Young-Kook Lee, and Won Beom Lee, "Surface hardening of shot peened H13 steel by enhanced nitrogen diffusion", Surface & Coatings Technology 232, 912-919 (2013).
송경, 오상호, "나노재료의 격자 변형 분석", Ceramist 16, 27-34 (2013).
PDF
Ara Jo, Gil Ho Gu, Hong Chul Moon, Sung Hyun Han, Sang Ho Oh, Chan Gyung Park, and Jin Kon Kim*, "In-situ TEM observation of phase transition of the nanoscopic patterns on baroplastic block copolymer film during nanoindentation", Nanoscale 5, 4351-4354 (2013).
Jiwon Jeong, JiseongIm, Kyung Song, Minhyuk Kwon, Shae Kwang Kim, Youn-Bae Kang, Sang Ho Oh*, "Transmission electron microscopy and thermodynamic studies of CaO-added AZ31 Mg alloys", Acta Materialia 61, 3267-3277 (2013).
Abstract
Ja Kyung Lee, Ga-Young Shin, Kyung Song, Woo Seok Choi, Yoon Ah Shin, Seong Young Park, Jason Britson, Ye Cao, Long-Qing Chen, Ho Nyung Lee, Sang Ho Oh*, "Direct observation of asymmetric domain wall motion in a ferroelectric capacitor", Acta Materialia 61, 6765-6777 (2013).
Abstract
Kyung Song, Ga-Young Shin, Jong Kyu Kim, Sang Ho Oh*, Christoph T. Koch, "Strain mapping of LED devices by dark-field inline electron holography: Comparison between deterministic and iterative phase retrieval approaches", Ultramicroscopy 127, 119-125 (2013).
Sunyong Hwang, Hyunah Kown, Sameer Chhajed, Ji Won Byon, Jeong Min Baik, JiseongIm, Sang Ho Oh, Ho Won Jang, Seok Jin Yoon and Jong Kyu Kim*, "Near Single Crystalline TiO2 Nanohelices Array: Enhanced Gas Sensing Performances and its Application as Monolithically Integrated Electronic Noses", Analyst 138, 443-450 (2013).
2012
Jun Hyun Han, Kyung Song, Shankar Radhakrishnan, Sang Ho Oh, Chung Hoon Lee*, “A suspended Nanogap Formed by Field-induced Atomically Sharp Tips”, Applied Physics Letters 101, 183106-183106-3 (2012).
Sung-Yoon Chung*, Young-Min Kim, Seongsu Lee, Sang Ho Oh, Jin-Gyu Kim, Si-Young Choi, Youn-Joong Kim, Suk-Joong L. Kang, "Cation disordering by rapid crystal growth in olivine-phosphate nanocrystals", Nano Letters 12, 3068-3073 (2012).
Kyun Taek Cho, Kyung Song, Sang Ho Oh, Young-Kook Lee, Kyoung Mook Lim, Won Beom Lee*, "Surface hardening of aluminum alloy by shot peening treatment with Zn based ball", Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing 543, 44-49 (2012).
2011
S. J. Pennycook*, K. van Benthem, A. G. Marinopoulos, Sang Ho Oh, S. I. Molina, A. Y. Borisevich, W. Luo, S. T. Pantelides, "Seeing inside materials by aberration-corrected electron microscopy", International Journal of Nanotechnology 8, 935-947 (2011).
Kyung Song, Ga-Young Shin, Jong Kyu Kim, Sang Ho Oh*, "Image Processing of Defocus Series TEM Images for Extracting Reliable Phase Information", Korean Journal of Microscopy 41, 215-222 (2011).
ISang Ho Oh*, Christian Rentenberger, Jiseong m, Christian Motz, Daniel Kiener, Hans-Peter Karnthaler, Gerhard Dehm, "Dislocation Plasticity of Al film on Polyimide Investigated by Cross-sectional In-situ TEM", Scripta Materialia 65, 456-459(2011).
Sun-Jung Byun, Hyunseob Lim, Ga-Young Shin, Tae-Hee Han, Sang Ho Oh, Jong-Hyun Ahn, Hee Cheul Choi, and Tae-Woo Lee*, “Graphenes Converted from Polymers”, The Journal of Physical Chemistry Letters 2, 493- 497 (2011).
Y. Kauffmann, Sang Ho Oh, C. T. Koch, A. Hashibon, C. Scheu, M. Ruehle, W. D. Kaplan*, “Quantitative Analysis of Layering and In-Plane Structural Ordering at an Alumina-Aluminium Solid-Liquid Interface”, Acta Materialia 59, 4378-4386 (2011).
2010
Juneho In, Youngdong Yoo, Jin-Gyu Kim, Kwanyong Seo, Hyunju Kim, Hyotchel Ihee, Sang Ho Oh*, Bongsoo Kim*, “In Situ TEM Observation of Heterogeneous Phase Transition of a Constrained Single-Crystalline Ag2Te Nanowire”, Nano Letters 10,4501 (2010).
Sang Ho Oh*, Matthew F. Chisholm, Yaron Kauffmann, Wayne D. Kaplan, Weidong Luo, Manfred Ruehle, Christina Scheu, "Oscillatory Mass Transport in Vapor-Liquid-Solid Growth of Sapphire Nanowires", Science 330, 489 (2010).
A. A. Taylor, Sang Ho Oh, G. Dehm “Microplasticity phenomena in thermomechanically strained nickel thin films”, The Journal of Materials Science 45, 3874 (2010).
2009
Sang Ho Oh*, Marc Legros, Daniel Kiener, Gerhard Dehm, “In situ Observation of Dislocation Nucleation and Escape in a Submicron Single-Crystal Al Wire”, Nature Materials 8, 95-100 (2009).
S. J. Pennycook*, M. F. Chisholm, A. R. Lupini, M. Varela, A. Y. Borisevich, M. P. Oxley, W. D. Luo, K. van Benthem, Sang Ho Oh, D. L. Sales, S. I. Molina, J. Garcia-Barriocanal, C. Leon, J. Santamaria, S. N. Rashkeev and S. T. Pantelides, “Aberration-corrected scanning transmission electron microscopy: from atomic imaging and analysis to solving energy problems”, Philosophical Transactions of The Royal Society A 367, 3709-3733 (2009).
Young-Min Kim, Jin-Gyu Kim, Yang-Soo Kim, Sang Ho Oh*, Youn-Joong Kim, “Practical Issues on In-situ Heating Experiments in Transmission Electron Microscope” Korean Journal of Microscopy 38, 383 (2009).
Sang Ho Oh, Youn-Joong Kim, Hwang Su Kim*, “Experiment of Usefulness of IWFR Analysis for High Voltage HRTEM Images with A Series of Defocus Steps Obtained from A Relatively Thick Crystal”, Korean Journal of Microscopy 38, 363(2009).
Jin-Gyu Kim, Young-Min Kim, Youn-Joong Kim, Sang-Hee Lee, min Hong, Sang Ho Oh*, “Estimation of Electron Dose Rate using CCD Camera”, Korean Journal of Microscopy 39, 79 (2009).
2008
Sang Ho Oh*, Klaus van Benthem, Sergio I. Molina, Albina Y. Borisevich, Weidong Luo, Peter Werner, Nikolai D. Zakharov, Dhananjay Kumar, Sokrates T. Pantelides, Stephen J. Pennycook, “Point Defect Configurations of Supersaturated Au Atoms inside Si Nanowires”, Nano Letters 8, 1016 (2008).
Abstract
Nicole B. Herndon, Sang Ho Oh, Jeremiah T. Abiade, Devdas Pai, Jag Sankar, Stephen J. Pennycook, Dhananjay Kumar, “Effect of spacer layer thickness on magnetic interactions in self-assembled single domain iron nanoparticles”, Journal of Applied Physics 103, 07D515 (2008).
Abstract
Y.-M. Kim, S. Lee, Y.-S. Kim, Sang Ho Oh, Y.-J. Kim, J. Y. Lee*, “Electron-beam-induced transition aluminas from aluminum trihydroxide”, Scripta Materialia 59, 1022-1025 (2008).
Abstract
Jeremiah T. Abiade, Sang Ho Oh, Dhananjay Kumar, Maria Varela, Stephen Pennycook, Haizhong Guo, Arunava Gupta, Jagannathan Sankar, “The effect of matrix and substrate on the coercivity and blocking temperature of self-assembled Ni nanoparticles”, Journal of Applied Physics 104, 073910 (2008).
Abstract
Dhananjay Kumar, Sang Ho Oh, Stephen J. Pennycook, A. K. Majumdar, “Scaling Exponent within the Side-jump Mechanism of Hall Effect Size Dependence in Ni Nanocrystals” Applied Physics Letters 93, 133105 (2008).
Abstract
R. Das, A. Gupta, D. Kumar, Sang Ho Oh, S. J. Pennycook, A. F. Hebard, “Dipolar interactions and their influence on the critical single domain grain size of Ni in layered Ni/Al2O3 composites”, Journal of Physics: Condensed Matter 20, 385213 (2008).
Abstract
Talisha Haywood, Sang Ho Oh, Abebe Kebede, Devdas M. Pai, Jag Sankar, David K. Christen, Stephen J. Pennycook, Dhananjay Kumar*, “Structural and flux-pinning properties of laser ablated YBa2Cu3O7-δ thin films: Effects of self-assembled CeO2 nanodots on LaAlO3 substrates”, Physica C Superconductivity 468, 2313 (2008).
2007
Sang Ho Oh*, M. Legros, D. Kiener, P. Gruber, G. Dehm, "In situ TEM straining of single crystal Au films on polyimide: Change of deformation mechanisms at the nanoscale", Acta Materialia 55, 5558 (2007)
Abstract
Sang Ho Oh*, J. H. Suh, C. G. Park "Defects in Strained Epitaxial SrRuO3 Films on SrTiO3 Substrates", Materials Transactions 48, 2556 (2007)
Abstract
Sang Ho Oh*, Christina Scheu, Thomas Wagner, Manfred Ruhle, "Control of bonding and epitaxy of copper/sapphire interface", Applied Physics Letters 91, 141912 (2007)
Abstract
G. Dehm*, Sang Ho Oh, P. Gruber, M. Legros, F. D. Fischer, "Strain Compensation by Twinning in Au Thin Films: Experiment and Model", Acta Materialia 55, 6659 (2007)
Abstract
Sang Ho Oh, M. Legros, D. Kiener, P. Gruber, G. Dehm, "Size-Induced Transition from Perfect to Partial Dislocation Plasticity in Single Crystal Au Films on Polyimide", Microscopy and Microanalysis 13, 278 (2007)
2006
Sang Ho Oh, Christina Scheu, Thomas Wagner, Elena Tchernychova, Manfred Ruhle, "Epitaxy and bonding of Cu films on oxygen terminated a-Al2O3 (0001) surfaces", Acta Materialia 54, 2685 (2006)
Abstract
Sang Ho Oh, Chan-Gyung Park, "Surface evolution of strained SrRuO3 films deposited at various temperatures on SrTiO3 (001) substrates", Journal of Materials Research 21, 1550 (2006)
Abstract
C. Scheu, M. Gao, Sang Ho Oh, G. Dehm, S. Klein, A. P. Tomsia, M. Ruhle, "Bonding at copper-alumina interfaces established by different surface treatment: a critical review", Journal of Materials Science 41, 5161 (2006)
Abstract
C. Scheu, J. Liu, Sang Ho Oh, D. Brunner, M. Ruhle, "Interface structure and strain development during compression test of Al2O3/Nb/Al2O3 tricrystals", Journal of Materials Science 41, 7798 (2006)
Abstract
Sang Ho Oh*, Christina Scheu, Manfred Ruhle, "In-situ HRTEM Studies of alumina-aluminum solid-liquid interfaces", Applied Microscopy 36, 19 (2006)
2005
Ki Hong Kim, Chan Min Jeon, Sang Ho Oh, Jong-Lam Lee, Chan Gyung Park, Jung Hee Lee, Kyu Seok Lee, Yang Mo Koo, "Investigation of Ta/Ti/Al/Ni/Au ohmic contact to AlGaN/GaN heterostructure field-effect transistor", Journal of Vaccume Science Technology B 23, 322 (2005)
Abstract
G. Dehm, H. Edongue, T. Wagner, Sang Ho Oh, E. Arzt, "Obtaining different orientation relationships for Cu films grown on (0001) a-Al2O3 substrate by magnetron sputtering", Zeitschrift fur Metallkunde 96, 249 (2005)
Abstract
Sang Ho Oh*, Yaron Kauffmann, Christina Scheu, Wayne D. Kaplan, Manfred Ruhle, "Ordered liquid aluminum at the interface with sapphire", Science 310, 661 (2005)
2004
Sang Ho Oh and Chan-Gyung Park, "Misfit strain relaxation by dislocations in SrRuO3/SrTiO3 (001) heteroepitaxy", Journal of Applied Physics 95, 4691 (2004)
Abstract
Ju Hyung Suh, Sang Ho Oh, Hyung Seok Kim, Se-Young Choi, Chan Gyung Park, "Effects of neutralizers on the crystal orientation of YSZ films grown by using ion beam sputtering", Vacuum 74, 423 (2004)
Abstractt
Hwack Joo Lee, Jin Ok Son, Sang Ho Oh, Yang Koo Cho, Sahn Nahm, "Microstructural changes in (1-x)Nd2/3TiO3-xNd AlO3 System", Japanese Journal of Applied Physics A 43, 7587-7591 (2004)
Abstract
Hwack Joo Lee, Hyun Min Park, Sang Ho Oh, Yang Koo Cho, Jin Ok Son, Sahn Nahm, "Microstructures in complex perovskite Li1/2Ln1/2TiO3 (Ln = Pr, Nd, Sm)", Japanese Journal of Applied Physics A 43, 7592-7595 (2004)
Abstract
M. S. Bae, Sang Ho Oh, Y. K. Cho, H. J. Lee, "A study on the stability of the accelerating voltages in scanning electron microscopy", Korean Journal of Electron Microscopy 34, 51 (2004)
Abstract
2003
Sang Ho Oh and Chan-Gyung Park, "Microstructural accommodation of excess Ru in epitaxial SrRuO3 films", Philosophical Magazine 83, 1307 (2003)
Gi Bum Kim, Do-Joon Yoo, Hong Koo Baik, Jae-Min Myoung, Sung Man Lee, Sang Ho Oh, Chan Gyung Park, "Improved thermal stability of Ni silicide on Si (100) through reactive deposition of N", Journal of Vaccume Science & Technology B 21, 319 (2003)
Abstract
Eun Hwa Hong, Kun-Hong Lee*, Sang Ho Oh, and Chan-Gyung Park, "Synthesis of carbon nanotubes using microwave radiation", Advanced Functional Materials 13, 961 (2003)
2002
Eun Hwa Hong, Kun-Hong Lee*, Sang Ho Oh, and Chan-Gyung Park, "In-situ synthesis of carbon nanotubes on organic polymer substrates at atmospheric pressure", Advanced Materials 14, 676 (2002)
Abstract
Won Il Park, Suk Woo Jung, Gyu-Chul Yi*, Sang Ho Oh, Chan Gyung Park, Miyoung Kim, "Metal-ZnO heterostructure nanorods with an abrupt interface", Japaness Journal Applied Physics A 41, L1206 (2002)
Abstract
Soo-Hwan Jeong, Ok-Joo Lee, Kun-Hong Lee*, Sang Ho Oh, and Chan-Gyung Park, "Preparation of aligned carbon nanotubes with prescribed dimensions: Templates synthesis and sonication and cutting approach", Chemistry of Materials 14, 1859 (2002)
Abstract
Soo-Hwan Jeong, Ok-Joo Lee, Kun-Hong Lee*, Sang Ho Oh, and Chan-Gyung Park, "Packing density control of aligned carbon nanotubes", Chemistry of Materials 14, 4003 (2002)
Abstract
Ki Hong Kim, Chang Min Jeon, Sang Ho Oh, Chan Gyung Park, Jong Hee Lee, Kyu Seok Lee, Jong Lam Lee*, "Microstructural analysis of Au/Ni/Al/Ti/Ta ohmic contact on AlGaN/GaN heterostructure", Physica status solidi (c) 0, 223 (2002)
2001
Sang Ho Oh and Chan-Gyung Park*, "Growth behavior and defects in conductive SrRuO3 thin films grown on a Si(100) substrate by sputtering", Journal of Materials Research 16, 1998 (2001)
Abstract
Sang Ho Oh and Chan-Gyung Park*, "Nanoscale characterization of interfacial reactions in SrRuO3 thin film on Si substrate", Surface and Interface Analysis 31, 796 (2001)
Abstract
Deok-Hyung Lee, Dae-Hong Ko*, Ja-Hum Ku, Siyoung Choi, Kazuyuki Fujihara, Ho-Kyu Kang, Sang Ho Oh, Chan-Gyung Park, and Hoo-Jeong Lee, "Formation of high-temperature stable Co-silicide from Co0.92Ta0.08/Si system", Japaness Journal of Applied Physics B 40, 2712 (2001)
Abstract
S.-K. Kang, and D.-H. Ko, K. C. Lee, T. W. Lee, Y. H. Lee, T. H. Ahn, I. S. Yeo, Sang Ho Oh, and C. G. Park, "Wet oxidation behavior of polycrystalline Si1-xGex films", Journal Vaccume Science & Technology A 19, 1617 (2001)
Abstract
Chung Yi, Hyo Uk Kim, Shi Woo Rhee, Sang Ho Oh, and Chan-Gyung Park, "Improvement of the SiO2/Si interface characteristics by two-step deposition with intermediate plasma treatment using O2/He gas", Journal Vaccume Science & Technology B 19, 2067 (2001)
S. Yi, W. T. Kim, D. H. Kim, Sang Ho Oh, and C. G. Park, "Development of nanocrystals in an amorphous Zr47Ni30Ti23", Journal of Materials Science 36, 5101 (2001)
Abstract
J. H. Suh, Sang Ho Oh*, and C. G. Park, "Effects of grain orientation on the remanent polarization and leakage current characteristics of BLT (Bi3.25La0.75Ti3O12) thin film capacitors", Journal of the Korean Institute of Metals and Materials 39, 1303 (2001)
2000
Sang Ho Oh, Chan-Gyung Park*, and Chanro Park, "Thermal stability of RuO2/Ru bilayer thin film in oxygen atmosphere", Thin Solid Films 359, 118 (2000)
Abstract
Sang Ho Oh and Chan-Gyung Park, "Domain structure and magnetic properties of epitaxial SrRuO3 films grown on SrTiO3 (100) substrates by ion beam sputtering", Journal of the Korean Physical Society 37, 961 (2000)
Abstract
Gi Bum Kim, Joon Seop Kwak, Hong Koo Baik, Sung Man Lee, Sang Ho Oh, and Chan-Gyung Park, "Reaction of Co and capping layers and its effect on CoSi2 formation on Si/SiOx/Co system", Applied Physics Letters 77, 1443 (2000)
Abstract
J. H. Yoo, S. W. Nam, D. H. Ko, Sang Ho Oh, and C. G. Park, "A study on the microstructures and electrical properties of ZrO2 thin film on Si (100)", Journal of the Korean Vaccum Society 9, 341 (2000)
Abstract
1998
Sang Ho Oh, C. G. Park* and H. K. Baik, "Thermal Stability of RuO2 Thin Film Annealed at High Temperature in Oxygen Atmosphere", Korean Journal of Materials Research 8, 1090 (1998)