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Broken Kramers' degeneracy in altermagnetic MnTe
Suyoung Lee, Sangjae Lee, Saegyeol Jung +9
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net magnetization and time-reversal symmetry broken electronic structure. Probing the unusual ele…
Evolution of electronic band reconstruction in thickness-controlled perovskite SrRuO thin films
Byungmin Sohn, Changyoung Kim
Transition metal perovskite oxides display a variety of emergent phenomena which are tunable by tailoring the oxygen octahedral rotation. SrRuO, a ferromagnetic perovskite oxid…
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…
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…
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…