MembersComputational Nano-Materials Design Laboratory

Lee, June Ho (이준호)

E-mail : lojuly@postech.ac.kr
TEL.: +82-54-279-5166 Office: RIST3, 3105
Ph.D. in department of Materials Science and Engineering at Pohang University of Science and Technology(POSTECH)
Since January 2018~

▶ Research Interest : Group theory, Phase transition, Machine learning

▶ List of Publications

Yonghun Shin, Kyung-Yeon Doh, Seong Hun Kim, June Ho Lee, Hohan Bae, Sun-Ju Song and Donghwa Lee*, “Effect of Oxygen vacancies on Electrical conductivity of La0.5Sr0.5FeO3-δ from First-Principles calculations”, J. Mater. Chem. A, 8, 4784-4789 (2020).
June Ho Lee, Seong Hun Kim, Kyung-Yeon Doh, Eun Ho Kim, Donghwa Lee, "First-Principles Calculations to Evaluate Spin-Polarized Metal-to-Insulator Transition of Halide Cuprite Perovskites for Smart Windows", J. Am. Chem. Soc., 142, 35, 14859–14863 (2020).
Eun Ho Kim, June Ho Lee, Seong Hun Kim, Jun Hyeong Gu, Donghwa Lee*, “A-site effect on oxidation process of Sn-halide perovskite: first-principles calculations”, J. Phys. Chem. Lett., 12, 9691-9696 (2021).
Gyujin Song, June Ho Lee, Sangyeop Lee, Dong-Yeob Han, Sungho Choi, Myung-Jun Kwak, Ji-Hyun Jang, Donghwa Lee*, and Soojin Park*, “Highly stable germanium microparticle anodes with a hybrid conductive shell for high volumetric and fast lithium storage”, ACS Appl. Mater. Interfaces, 2022, 14, 750-760 (2022).
Youngkwang Kim, June Ho Lee, Young Hwa Jung, Donghwa Lee,* and Junwoo Son*, “Cooperative coupling of anisotropic phonon modes intensifies visible thermochromism in layered α-MoO3”, Materials Horizon, Accepted.

Kim, Seong Hun (김성훈)

E-mail : idealhun92@postech.ac.kr
TEL.: +82-54-279-5166 Office: RIST3, 3105
M.S. in department of Materials Science and Engineering at Pohang University of Science and Technology (POSTECH)
Since August 2017~

▶ Research Interest : Defect properties, Machine learning, Materials design

▶ List of Publications

Sunihl Ma, Seong Hun Kim, Beomjin Jeong, Hyeok-Chan Kwon, Seong-Cheol Yun, Gyumin Jang,Hyunha Yang, Cheolmin Park, Donghwa Lee* and Jooho Moon, "Strain-Mediated Stabilization of α-CsPbI₃ Perovskite by Confined Growth inside Vertically Aligned Nanoporous Anodized Aluminum Oxide Template", Small, 15, 1900219 (2019).
Seong Hun Kim, and Donghwa Lee*, "Role of charge trapping Iodine Frenkel defects for hysteresis in organic-inorganic hybrid Perovskite from First-Principles calculations", J. Phys. Chem. C, 123, 14, 9629-9633 (2019).
Eun-Suk Choi, June-Mo Yang , Seul-Gi Kim, Can Cuhadar, So-Yeon Kim, Seong Hun Kim, Donghwa Lee*, Nam-Gyu Park, "Compositional Engineering of One-dimensional Imidazolium Lead Iodide for Resistive Switching Memory with Long Endurance and Retention", Nanoscale, 11, 14455-14464 (2019).
Yonghun Shin, Kyung-Yeon Doh, Seong Hun Kim, June Ho Lee, Hohan Bae, Sun-Ju Song and Donghwa Lee*, “Effect of Oxygen vacancies on Electrical conductivity of La0.5Sr0.5FeO3-δ from First-Principles calculations”, J. Mater. Chem. A, 8, 4784-4789 (2020).
June Ho Lee, Seong Hun Kim, Kyung-Yeon Doh, Eun Ho Kim, Donghwa Lee, "First-Principles Calculations to Evaluate Spin-Polarized Metal-to-Insulator Transition of Halide Cuprite Perovskites for Smart Windows", J. Am. Chem. Soc., 142, 14859–14863 (2020).
Ju–Hyun Jung, Seong Hun Kim, Donghwa Lee*, and Jang-Sik Lee*, “Design of highly environment-stable and low-power consumption metal-halide perovskite-based memory switching layers with first-principle screening and experimental verification for next-generation memories”, Adv. Science, 2001367 (2020).
Writam Banerjee, Ilya V.Karpov, Ashish Agrawal, Seonghun Kim, Seungwoo Lee, Sangmin Lee, Donghwa Lee, Hyunsang Hwang, “Highly-stable (< 3% fluctuation) Ag-based Threshold Switch with Extreme-low OFF Current of 0.1 pA,
Extreme-high Selectivity of 10⁹ and High Endurance of 10⁹“, Accepted, Inter. Elec. Dev. Meet. 9371960 (2020).
Changhyuck Sung, Seong Hun Kim, Myounghoon Kwak, Donghwa Lee and Hyunsang Hwang*, “Hybrid Memory Device (Memory/Selector) with Scalable and Simple Structure for XNOR-based Neural Network Applications”, Adv. Electronic Mater.,2000881(2021).
Youngjun Park, Seong Hun Kim, Donghwa Lee*, and Jang-Sik Lee*, “Designing zero-dimensional dimer-type all-inorganic perovskites for ultra-fast switching memory”, Nat. Commun., 12, 3527(2021).
Writam Banerjee*, Seong Hun Kim, Seungwoo Lee, Donghwa Lee, Hyungsang Hwang, “An efficient approach based on tuned nanoionics to maximize memory charactristics in Ag-based devices”, Adv. Electronic Mater., 7, 2100022(2021).
Anupam Giri, Manish Kumar, Jaeseon Kim, Monalisa Pal, Writam Banerjee, Revannath Dnyandeo Nikam, Junghyeok Kwak, Minsik Kong, Seong Hun Kim, Kaliannan Thiyagarajan, Geonwoo Kim, Hyunsang Hwang, Hyun Hwi Lee, Donghwa Lee*, Unyong Jeong*, “Surface diffusion and epitaxial self-planarization for wafer-scale single grain metal chalcogenide thin films”, Adv. Mater., 2102252 (2021).
Eun Ho Kim, June Ho Lee, Seong Hun Kim, Jun Hyeong Gu, Donghwa Lee*, “A-site effect on oxidation process of Sn-halide perovskite: first-principles calculations”, J. Phys. Chem. Lett., 12, 9691-9696 (2021).
Sangmin Lee, Jangsub Lee, Seonghun Kim, Donguk Lee, Donghwa Lee, Hyunsang Hwang*, “Mg-Te OTS selector with Low Ioff ( < 100 pA), Fast Switching Speed (τd = 7 ns), and High Thermal Stability (400 °C / 30min) for X-point Memory Applications”, 2021 Symposium on VLSI Technology, 2021, pp. 1-2. (2021).
Seungwoo Lee, Seong Hun Kim, Seungyeol Oh, Donghwa Lee, Hyunsang Hwang, “Effect of the Oxygen Composition Control of HfOx Films on Threshold and Memory Switching Characteristics for Hybrid Memory Applications”, AEM

Doh, Kyung-Yeon (도경연)

E-mail : kydoh92@postech.ac.kr
TEL.: +82-54-279-5166 Office: RIST3, 3105
M.S. in department of Materials Science and Engineering at Pohang University of Science and Technology (POSTECH)
Since March 2017~

▶ Research Interest : Interface prediction, Multi-principal element alloys, First-principles molecular dynamics

▶ List of Publications

Y.H. Jo, D.G. Kim, M.C. Jo, Kyung-Yeon Doh, S.S. Sohn, Donghwa Lee, H.S. Kim, B.J. Lee and S. Lee, "Effects of deformation–induced BCC martensitic transformation and twinning on impact toughness and dynamic tensile response in metastable VCrFeCoNi high–entropy alloy", Journal of Alloys and Compounds, 785, 1056-1067 (2019).
Yong Hee Jo, Kyung-Yeon Doh, Dong Geun Kim, Kwanho Lee, Hyokyung Sung , Seok Su Sohn , Donghwa Lee, Hyoung Seop Kim, Byeong-Joo Lee and Sunghak Lee, "Cryogenic-temperature fracture toughness analysis of non-equi-atomic V₁₀Cr₁₀Fe₄₅Co₂₀Ni₁₅high-entropy alloy", J. Alloys Compd., 809, 151864 (2019)
Noho Lee, Il Yong Choi, Kyung-Yeon Doh, Jaewon Kim, Si-Young Choi, Donghwa Lee and Jong Kyu Kim, "Enhanced catalytic activity of Edge-Exposed 1T-WS2/WO3 nanohelix array for efficient water splitting", J. Mater. Chem. A, 7, 26378-26384 (2019).
Yonghun Shin, Kyung-Yeon Doh, Seong Hun Kim, June Ho Lee, Hohan Bae, Sun-Ju Song and Donghwa Lee*, “Effect of Oxygen vacancies on Electrical conductivity of La0.5Sr0.5FeO3-δ from First-Principles calculations”, J. Mater. Chem. A, 8, 4784-4789 (2020).
Yong Hee Jo, Junha Yang, Kyung-Yeon Doh, Woojin An, Dae Woong Kim,
Hyokyung Sung, Donghwa Lee, Hyoung Seop Kim, Seok Su Sohn*, Sunghak Lee*, “Analysis of damage-tolerance of TRIP-assisted V10Cr10Fe45Co30Ni5 high-entropy alloy at room and cryogenic temperatures”, J. Alloys Compd., 785, 156090 (2020).
June Ho Lee, Seong Hun Kim, Kyung-Yeon Doh, Eun Ho Kim, Donghwa Lee, "First-Principles Calculations to Evaluate Spin-Polarized Metal-to-Insulator Transition of Halide Cuprite Perovskites for Smart Windows", J. Am. Chem. Soc., 142, 14859–14863 (2020).
Yong Hee Jo, Junha Yang, Won-Mi Choi, Kyung-Yeon Doh, Donghwa Lee, Hyoung Seop Kim, Byeong-Joo Lee, Seok Su Sohn, Sunghak Lee, “Body-centered-cubic martensite and the role on room-temperature tensile properties in Si-added SiVCrMnFeCo high-entropy alloys”, Accepted, J. Mater. Sci. Technol., J-MST-D-20-00423R1 (2020).
Yong Hee Jo, Junha Yang, Won-Mi Choi, Kyung-Yeon Doh, Donghwa Lee, Hyoung Seop Kim, Byeong-Joo Lee, Seok Su Sohn, Sunghak Lee, “Body-centered-cubic martensite and the role on room-temperature tensile properties in Si-added SiVCrMnFeCo high-entropy alloys”, J. Mater. Sci. Technol., 76,222-230 (2021).
Jin Woo Park, Yeongsu Lim, Kyung-Yeon Doh, Min Tai Jung, Young In Jeon, In Seok Yang, Hyeon-seo Choi, Jeongho Kim*, Dongwa Lee* and Wan In Lee*, “Enhancement of the photovoltaic properties of Ag2BiI5 by Cu doping”, Sustain. Energy Fuels, (2021).
Odongo Francis Ngome Okello, Kyung-Yeon Doh, Hye Su Kang, Kyung Song, Yong-Tae Kim, Kwang Ho Kim, Donghwa Lee*, Si-Young Choi*, ” Visualization of transition metal decoration on h-BN surface”, Nano Letters, (2021).

Computational Nano-Materials Design Laboratory

DongHwa Lee / Associate Professor / Ph.D.

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