Research

국제전문학술지

• Gradient engineering in functional complex oxide heterostructures, Microstructures, , 6, - (2026 )
• Ferroelastic writing of crystal directions in oxide thin films, Nature Nanotechnology, , , - (2025 )
• Salt turns ice into a powerful flexoelectric material, Nature Materials, , 24, 1511-1512 (2025 )
• Subunitcellsegmented ferroelectricity in brownmillerite oxides by phonon decoupling, Nature Materials, , 24, 1228-1235 (2025 )
• Flexoelectric polarizing and control of a ferromagnetic metal, Nature Physics, , 20, 450-455 (2024 )
• FieldFree Spin–Orbit Torque Magnetization Switching in a SinglePhase Ferromagnetic and Spin Hall Oxide, Nano Letters, , 24, 7100-7107 (2024 )
• Thickness‐Driven Morphotropic Phase Transition in Metastable Ferroelectric CaTiOsub3sub Films, Advanced Electronic Materials, , , 2101398- (2022 )
• FlexoelectricityDriven Mechanical Switching of Polarization in Metastable Ferroelectrics, Physical Review Letters, , 129, - (2022 )
• Nanoscale interplay of native point defects near Srdeficient SrsubxsubTiOsub3subSrTiOsub3sub interfaces, Journal of Vacuum Science and Technology A, , 40, 43201- (2022 )
• 나노 단위에서의 향상된 변전성, 새물리, , 71, 808-813 (2021 )
• Mixed Triboelectric and Flexoelectric Charge Transfer at the Nanoscale, Advanced Science, , 8, - (2021 )
• Flexoelectric control of physical properties by atomic force microscopy, APPLIED PHYSICS REVIEWS, , 8, - (2021 )
• Colossal flexoresistance in dielectrics, NATURE COMMUNICATIONS, , 11, - (2020 )
• Localized spinflip excitations in hexagonal HoMnO3, JOURNAL OF RAMAN SPECTROSCOPY, , , - (2020 )
• Flexoelectricity in thin films and membranes of complex oxides, APL MATERIALS, , 8, - (2020 )
• Stabilizing hidden roomtemperature ferroelectricity via a metastable atomic distortion pattern, Nature Communications, , 11, - (2020 )
• Enhanced flexoelectricity at reduced dimensions revealed by mechanically tunable quantum tunnelling, NATURE COMMUNICATIONS, , 10, - (2019 )
• Ferroelectrically tunable magnetic skyrmions in ultrathin oxide heterostructures, NATURE MATERIALS, , 17, 1087- (2018 )
• Tunneling Hot Spots in Ferroelectric SrTiO3, NANO LETTERS, , 18, 491-497 (2018 )
• Isostructural metalinsulator transition in VO2, Science, , 362, 1037-+ (2018 )
• Identification of a functional point defect in SrTiO3, PHYSICAL REVIEW MATERIALS, , 2, - (2018 )
• Unconventional anomalous Hall effect from antiferromagnetic domain walls of Nd2Ir2O7 thin films, PHYSICAL REVIEW B, , 98, - (2018 )
• Oxygen Partial Pressure during Pulsed Laser Deposition Deterministic Role on Thermodynamic Stability of Atomic Termination Sequence at SrRuO3BaTiO3 Interface, ACS Applied Materials Interfaces, , 9, 27305-27312 (2017 )
• Insitu probing of coupled atomic restructuring and metallicity of oxide heterointerfaces induced by polar adsorbates, APPLIED PHYSICS LETTERS, , 111, - (2017 )
• Epitaxial VO2 thinfilmbased radiofrequency switches with electrical activation, Applied Physics Express, , 10, - (2017 )
• Epitaxial VO2 thin filmbased radiofrequency switches with thermal activation, APPLIED PHYSICS LETTERS, , 111, - (2017 )
• Electronlattice coupling in correlated materials of low electron occupancy, NANO LETTERS, , 17, 5458-5463 (2017 )
• Sharpened VO2 Phase Transition via Controlled Release of Epitaxial Strain, Nano Letters, , 17, 5614-5619 (2017 )
• Correlation between magnon and magnetic symmetries of hexagonal RMnO3 (R Er Ho Lu), JOURNAL OF MOLECULAR STRUCTURE, , 1124, 103-109 (2016 )
• Tunable band gap in epitaxial ferroelectric Ho(MnGa)O3 films, APPLIED PHYSICS LETTERS, , 108, - (2016 )
• Emergence of roomtemperature ferroelectricity at reduced dimensions, Science, , 349, 1314-1317 (2015 )
• Study of spinordering and spinreorientation transitions in hexagonal manganites through Raman spectroscopy, Scientific Reports, , 5, - (2015 )
• Flexoelectric Control of Defect Formation in Ferroelectric Epitaxial Thin Films, Advanced Materials, , 26, 5005-5011 (2014 )
• Impact of vacancy clusters on characteristic resistance change of nonstoichiometric strontium titanate nanofilm, Applied Physics Letters, , 104, - (2014 )
• Giant Flexoelectric Effect in Ferroelectric Epitaxial Thin Films, PHYSICAL REVIEW LETTERS, , 107, - (2011 )

학회발표

• Synergistic polar states by selective atomic gradients, , , 0, - (2025)
• Synergistic polar states by selective atomic gradients in perovskite oxides, , , 0, - (2025)
• Atomic gradient induced flexoelectricity in nonpolar perovskite ultrathin films, , , 0, - (2025)
• Functional perovskite oxides with atomic gradients , , , 0, - (2024)
• Functional perovskite oxides with atomic gradients , , , 0, - (2024)
• Functional perovskite oxides with atomic gradients , , , 0, - (2024)
• Functional perovskite oxides with atomic gradients , , , 0, - (2024)
• Circumscribed ferroelectricity by phonondecoupled oxygen tetrahedra in brownmillerite oxides , , 0, 0, - (2023)
• Configurable flexoelectric effect in atomic gradient thin films , , , 0, - (2023)
• Configurable flexoelectric effect in atomic gradient thin films, , , 0, - (2023)
• Configurable flexoelectric effect in atomic gradient thin films , , , 0, - (2023)
• Flexoelectric polarizing control of a ferromagnetic metal , , , 0, - (2023)
• Flexoelectric polarizing control of a ferromagnetic metal , , , 0, - (2022)
• Flexoelectric polarizing control of a ferromagnetic metal , , , 0, - (2022)
• Colossal Flexoresistance in Dielectrics , , , 0, - (2021)
• Stabilizing hidden roomtemperature ferroelectricity via a metastable atomic distortion pattern , , , 0, - (2021)
• Hidden RoomTemperature Ferroelectricity Revealed by a Metastable Octahedral Rotation Pattern in Perovskite Oxides , , , 0, - (2021)
• Direct Observation of Metastable Atomic Distortions Coupled with Ferroelectricity in CaTiO3 Thin Film, , , 0, - (2021)
• Stabilizing hidden roomtemperature ferroelectricity via a metastable atomic distortion pattern , , , 0, - (2021)
• Colossal flexoresistance effect via atomic force microscope tip pressing , , , 0, - (2020)
• Direct Observation of Metastable Atomic Distortions Coupled with Ferroelectricity in CaTiO3 Thin Film, , , 0, - (2020)
• Flexoelectronics achievement and future , , , 0, - (2020)
• Pattern engineering of octahedral rotations for functional perovskite oxides , , , 0, - (2019)
• Colossal flexoresistance in dielectrics, 14th AsiaPacific Physics Conference, , 0, - (2019)
• Atomic scale visualization of ferroelectricity in CaTiO3 , ICAE 2019, , 0, - (2019)
• Colossal flexoresistance in dielectrics, AsiaPacific PFM 2019, , 0, - (2019)
• Colossal flexoresistance in dielectrics, 2019 한국현미경학회 춘계학술대회, , 0, - (2019)
• Electron microscopic understanding of metalinsulator transition in vanadium oxide, 제 28회 유전체물성 심포지엄제 20회 강유전체 소자소재 워크샵, , 0, - (2019)
• Atomicscale Analysis of Deplarization Field Effect in PTOSTO Superlattices, 2018년도 한국세라믹학회 추계학술대회 초록집, , 0, - (2018)
• Measuring robust flexoelectricity at reduced dimensions , NA, , 0, - (2018)
• Measuring robust flexoelectricity at reduced dimensions , NA, , 0, - (2018)
• VO2 Phase Transition Dynamics through Designed Heterostructures , NA, , 0, - (2017)
• VO2 Phase Transition Dynamics through Designed Heterostructures , NA, , 0, - (2017)
• Emergence of Roomtemperature Ferroelectricity at Reduced Dimensions, NA, , 0, - (2017)