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9 papers
Novel Jeff = 1/2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr2IrO4
B. J. Kim, Hosub Jin, S. J. Moon +11
We investigated electronic structure of 5d transition-metal oxide Sr2IrO4 using angle-resolved photoemission, optical conductivity, and x-ray absorption measurements and first-prin…
Spin-orbit interaction effect in the electronic structure of \BiTe \ observed by angle-resolved photoemission spectroscopy
Han-Jin Noh, H. Koh, S. -J. Oh +8
The electronic structure of -type doped \BiTe is studied by angle resolved photoemission spectroscopy (ARPES) to experimentally confirm the mechanism responsible for the high th…
Magnetism and Transport in YbMn2Sb2
R. Nirmala, S. K. Malik, A. V. Morozkin +5
A new ternary intermetallic compound, namely, YbMn2Sb2, has been synthesized and its magnetic and electrical transport properties have been studied in the temperature range of 2 to…
Infrared study of giant dielectric constant in Li and Ti doped NiO
Jung-Ho Kim, Youngwoo Lee, A Souchkov +5
We have measured optical reflectivity of Li and Ti doped NiO (LTNO) in the infrared range at various temperatures. A Drude-like absorption is found at low energy, 100 cm$^{-1}…
Optical spectroscopy study on the electronic structure of
Jungho Kim, S. -J. Oh, Youngwoo Lee +4
The optical conductivity of EuCaB has been obtained from reflectivity and ellipsometry measurements for series of compositions, . The…
Core-Level X-Ray Photoemission Satellites in Ruthenates: A New Mechanism Revealing the Mott Transition
Hyeong-Do Kim, Han-Jin Noh, K. -H. Kim +1
Ru 3d core-level x-ray photoemission spectra of various ruthenates are examined. They show in general two-peak structures, which can be assigned as the screened and unscreened peak…