676 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP236 papers
- Tohoku UniversityJP236 papers
- Nagoya UniversityJP232 papers
- Sungkyunkwan UniversityKR220 papers
- Kyungpook National UniversityKR217 papers
- Hanyang UniversityKR216 papers
- High Energy Accelerator Research OrganizationJP211 papers
- Korea UniversityKR210 papers
- University of CincinnatiUS208 papers
- Yonsei UniversityKR206 papers
- Korea Institute of Science & Technology InformationKR205 papers
- Tokyo Institute of TechnologyJP205 papers
16 papers · 1 filter
G-type Antiferromagnetic BiFeO is a Multiferroic -wave Altermagnet
Andrea Urru, Daniel Seleznev, Yujia Teng +3
G-type antiferromagnetic BiFeO is shown to be an altermagnet. We present the band structure using an unconventional scheme designed to highlight the distinctive spin splitting…
First-principles study of dielectric properties of ferroelectric perovskite oxides with on-site and inter-site Hubbard interactions
Min Chul Choi, Wooil Yang, Young-Woo Son +1
We study the atomic and electronic structures of ferroelectric perovskite oxides, BaTiO, LiNbO, and PbTiO using ab initio extended Hubbard functionals in which the on-s…
Electronic structure of above-room-temperature van der Waals ferromagnet FeGaTe
Ji-Eun Lee, Shaohua Yan, Sehoon Oh +7
FeGaTe, a recently discovered van der Waals ferromagnet, demonstrates intrinsic ferromagnetism above room temperature, necessitating a comprehensive investigation of the mi…
Flexoelectric control of a ferromagnetic metal
Wei Peng, Se Young Park, Chang Jae Roh +16
Electric fields have played a key role in discovering and controlling exotic electronic states of condensed matter. However, electric fields usually do not work in metals as free c…
Machine learning aided materials design platform for predicting the mechanical properties of Na-ion solid-state electrolytes
Junho Jo, Eunseong Choi, Minseon Kim +1
Na-ion solid-state electrolytes (Na-SSE) exhibit high potential for electrical energy storage owing to their high energy densities and low manufacturing cost. However, their mechan…
Oxygen Partial Pressure during Pulsed Laser Deposition: Deterministic Role on Thermodynamic Stability of Atomic Termination Sequence at SrRuO3/BaTiO3 Interface
Yeong Jae Shin, Lingfei Wang, Yoonkoo Kim +8
With recent trends on miniaturizing oxide-based devices, the need for atomic-scale control of surface/interface structures by pulsed laser deposition (PLD) has increased. In partic…
Overcoming the Fundamental Barrier Thickness Limits of Ferroelectric Tunnel Junctions through BaTiO3/SrTiO3 Composite Barriers
Lingfei Wang, Myung Rae Cho, Yeong Jae Shin +5
Ferroelectric tunnel junctions (FTJs) have attracted increasing research interest as a promising candidate for non-volatile memories. Recently, significant enhancements of tunnelin…
Color theorems, chiral domain topology and magnetic properties of FexTaS2
Yoichi Horibe, Junjie Yang, Yong-Heum Cho +8
Common mathematical theory can have profound applications in understanding real materials. The intrinsic connection between aperiodic orders observed in the Fibonacci sequence, Pen…
Evolution of the domain topology in a ferroelectric
S. C. Chae, Y. Horibe, D. Y. Jeong +4
Topological materials, including topological insulators, magnets with Skyrmions and ferroelectrics with topological vortices, have recently attracted phenomenal attention in the ma…
Giant Flexoelectric Effect in Ferroelectric Epitaxial Thin Films
Daesu Lee, A. Yoon, S. Y. Jang +5
We report on nanoscale strain gradients in ferroelectric HoMnO3 epitaxial thin films, resulting in a giant flexoelectric effect. Using grazing-incidence in-plane X-ray diffraction,…
Step bunching-induced vertical lattice mismatch and crystallographic tilt in vicinal BiFeO3(001) films
T. H. Kim, S. H. Baek, S. Y. Jang +7
Epitaxial (001) BiFeO3 thin films grown on vicinal SrTiO3 substrates are under large anisotropic stress from the substrates. The variations of the crystallographic tilt angle and t…
Localized electronic states induced by defects and possible origin of ferroelectricity in strontium titanate thin films
Yong Su Kim, J. Kim, S. J. Moon +6
Several defect configurations including oxygen vacancies have been investigated as possible origins of the reported room-temperature ferroelectricity of strontium titanate (STO) th…
Initial growth behavior and resulting microstructural properties of heteroepitaxial ZnO thin films on sapphire (0001) substrates
C. Liu, S. H. Chang, T. W. Noh +5
We have investigated the initial growth behavior and resulting microstructural properties of heteroepitaxial ZnO thin films prepared by pulsed laser deposition on sapphire (0001) s…
Modulation of the Curie Temperature in Ferromagnetic/Ferroelectric Hybrid Double Quantum Wells
N. Kim, H. Kim, J. W. Kim +2
We propose a ferromagnetic/ferroelectric hybrid double quantum well structure, and present an investigation of the Curie temperature (Tc) modulation in this quantum structure. The…
Ferroelectric properties of SrRuO3/BaTiO3/SrRuO3 ultrathin film capacitors free from passive lay
Y. S. Kim, J. Y. Jo, D. J. Kim +9
Structural studies on ultrathin SrRuO3/BaTiO3/SrRuO3 capacitors, with BaTiO3 thicknesses of between 5 nm and 30 nm, show well-defined interfaces between ferroelectric BaTiO3 and el…
Formation of Co nanoclusters in epitaxial Ti_{0.96} Co_{0.04} O_2 thin films and their ferromagnetism
D. H. Kim, J. S. Yang, K. W. Lee +8
Anatase Ti0.96Co0.04O2 films were grown epitaxially on SrTiO3 (001) substrates by using plused laser deposition with in-situ reflection high-energy electron diffraction. The oxygen…