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Electric field driven octahedral rotation in perovskite
Wonshik Kyung, Choong H. Kim, Yeong Kwan Kim +9
Rotation of MO6 (M = transition metal) octahedra is a key determinant of the physical properties of perovskite materials. Therefore, tuning physical properties, one of the most imp…
Electronic phase diagram of iron chalcogenide superconductors FeSe1-xSx and FeSe1-yTey
Shaobo Liu, Jie Yuan, Soonsang Huh +13
Here we establish a combined electronic phase diagram of isoelectronic FeSe1-xSx (0.19 > x > 0.0) and FeSe1-yTey (0.04 < y < 1.0) single crystals. The FeSe1-yTey crystals with y =…
Work function seen with sub-meV precision through laser photoemission
Y. Ishida, J. K. Jung, M. S. Kim +7
Electron emission can be utilised to measure the work function of the surface. However, the number of significant digits in the values obtained through thermionic-, field- and phot…
Capping and gate control of anomalous Hall effect and hump structure in ultra-thin SrRuO films
Donghan Kim, Byungmin Sohn, Minsoo Kim +5
Ferromagnetism and exotic topological structures in SrRuO (SRO) induce sign-changing anomalous Hall effect (AHE). Recently, hump structures have been reported in the Hall resis…
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…