60 citations · 200 across the 11 of their papers we have counts for
11 papers
Electric control of two-dimensional Van Hove singularity in oxide ultra-thin films
Donghan Kim, Younsik Kim, Byungmin Sohn +4
Divergent density of states (DOS) can induce extraordinary phenomena such as significant enhancement of superconductivity and unexpected phase transitions. Moreover, van Hove singu…
Critical role of terminating layer in formation of 2DEG state at the / interface
Seonghyeon Kim, Mikk Lippmaa, Jaehyeok Lee +4
Based on the interface polarization model, the two-dimensional electron gas (2DEG) at (LIO)/(BSO) interfaces is understood to originate from a polarization di…
High-mobility field-effect transistor using 2-dimensional electron gas at the LaScO3/BaSnO3 interface
Hyeongmin Cho, Dowon Song, Youjung Kim +2
A novel 2-dimensional electron gas (2DEG) system with high-mobility was discovered at the interface of two perovskite oxides, a polar orthorhombic perovskite LaScO3 (LSO) and a non…
Detection of the Chiral Spin Structure in Ferromagnetic SrRuO Thin Film
H. Huang, S. -J. Lee, B. Kim +4
A SrRuO (SRO) thin film and its heterostructure have brought much attention because of the recently demonstrated fascinating properties, such as topological Hall effect and sky…
Electronic band structure of (111) thin filman angle-resolved photoemission spectroscopy study
Hanyoung Ryu, Yukiaki Ishida, Bongju Kim +16
We studied the electronic band structure of pulsed laser deposition (PLD) grown (111)-oriented SrRuO (SRO) thin films using \textit{in situ} angle-resolved photoemission spectr…
Sign-tunable anomalous Hall effect induced by two-dimensional symmetry-protected nodal structures in ferromagnetic perovskite oxide thin films
Byungmin Sohn, Eunwoo Lee, Se Young Park +16
Magnetism and spin-orbit coupling (SOC) are two quintessential ingredients underlying novel topological transport phenomena in itinerant ferromagnets. When spin-polarized bands sup…
surface reconstruction and electronic structure of BaSnO film
Shoresh Soltani, Sungyun Hong, Bongju Kim +6
We studied surface and electronic structures of barium stannate (BaSnO) thin-film by low energy electron diffraction (LEED), and angle-resolved photoemission spectroscopy (ARPE…
Hump-like structure in Hall signal from SrRuO ultra-thin films without inhomogeneous anomalous Hall effect
Byungmin Sohn, Bongju Kim, Jun Woo Choi +3
A controversy arose over the interpretation of the recently observed hump features in Hall resistivity from ultra-thin SrRuO (SRO) film; it was initially interpreted t…
Orbital-selective confinement effect of Ru orbitals in SrRuO ultrathin film
Soonmin Kang, Yi Tseng, Beom Hyun Kim +11
The electronic structure of SrRuO thin film with thickness from 50 to 1 unit cell (u.c.) is investigated via the resonant inelastic x-ray scattering (RIXS) technique at the O K…
Stable hump-like Hall effect and non-coplanar spin textures in SrRuO ultrathin film
Byungmin Sohn, Bongju Kim, Se Young Park +11
We observed a hump-like feature in Hall effects of SrRuO ultrathin films, and systematically investigated it with controlling thicknesses, temperatures and magnetic fields. The…
Unconventional anomalous Hall effect from antiferromagnetic domain walls of Nd2Ir2O7 thin films
Woo Jin Kim, John H. Gruenewald, Taekoo Oh +11
Ferroic domain walls (DWs) create different symmetries and ordered states compared with those in single-domain bulk materials. In particular, the DWs of an antiferromagnet (AFM) wi…