183 citations · 725 across the 22 of their papers we have counts for
8 papers · 1 filter
Non-local features of the spin-orbit exciton in Kitaev materials
Blair W. Lebert, Subin Kim, Beom Hyun Kim +7
A comparative resonant inelastic x-ray scattering (RIXS) study of three well-known Kitaev materials is presented: -LiIrO, NaIrO, and -RuCl. Despite simila…
Magnetic excitations in double perovskite iridates LaIrO ( = Co, Ni, and Zn) mediated by 3-5 hybridization
Wentao Jin, Sae Hwan Chun, Jungho Kim +6
By performing resonant inelastic x-ray scattering (RIXS) measurements at the Ir edge, we have investigated the low-energy elementary excitations in a seri…
Optical excitation of electromagnons in hexaferrite
Hiroki Ueda, Hoyoung Jang, Sae Hwan Chun +11
Understanding ultrafast magnetization dynamics on the microscopic level is of strong current interest due to the potential for applications in information storage. In recent years,…
4D visualization of the photoexcited coherent magnon by an X-ray free electron laser
Hoyoung Jang, Hiroki Ueda, Hyeong-Do Kim +12
X-ray free electron lasers (XFEL) create femtosecond X-ray pulses with high brightness and high longitudinal coherence allowing to extend X-ray spectroscopy and scattering techniqu…
Optical magnons with dominant bond-directional exchange interactions in a honeycomb lattice iridate -LiIrO
Sae Hwan Chun, P. Peter Stavropoulos, Hae-Young Kee +6
We have used resonant inelastic x-ray scattering to reveal optical magnons in a honeycomb lattice iridate -LiIrO. The spectrum in the energy region 20-25 meV exhibit…
Evolution of Magnetic Excitations Across the Metal-Insulator Transition in a Pyrochlore Iridate EuIrO
Sae Hwan Chun, Bo Yuan, Diego Casa +6
We report Resonant Inelastic X-ray Scattering (RIXS) study of the magnetic excitation spectrum in a highly insulating EuIrO single crystal that exhibits a metal-i…