Probing orbital magnetism of a kagome metal CsV3Sb5 by a tuning fork resonator
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Science & Technology - Other Topics↗
Engineering topics
Liu, Yu (ORCID:0000000188862876)
Publications and source records attributed to Liu, Yu (ORCID:0000000188862876).
Spectroscopic Evidence of Kondo-Induced Quasiquartet in CeRh 2 As 2
CeRh 2 As 2 is a new multiphase superconductor with strong suggestions for an additional itinerant multipolar ordered phase. The modeling of the low-temperature properties of this heavy-fermion compound requires a quartet Ce 3 + crystal-field ground state. Here, we provide the evidence for the formation of such a quartet state using x-ray spectroscopy. Core-level photoelectron and x-ray absorption spectroscopy confirm the presence of Kondo hybridization in CeRh 2 As 2 . The temperature dependence of the linear dichroism unambiguously reveals the impact of Kondo physics for coupling the Kramer’s doublets into an effective quasiquartet. Nonresonant inelastic x-ray scattering data find that the | Γ 7 − ⟩ state with its lobes along the 110 direction of the tetragonal structure ( x y orientation) contributes most to the multiorbital ground state of CeRh 2 As 2 . Published by the American Physical Society 2024
Christovam, Denise S. (ORCID:0000000250698107)↗
Structural and physical properties of the chiral antiferromagnet CeRhC 2
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Liu, Yu (ORCID:0000000188862876)↗