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4 papers · 2 filters
Infrared study of valence transition compound YbInCu4 using cleaved surfaces
H. Okamura, T. Michizawa, T. Nanba +1
Optical reflectivity R(w) of YbInCu4 single crystals has been measured across its first-order valence transition at T_v ~ 42 K, using both polished and cleaved surfaces. R(w) measu…
ESR Probing of Quantum Critical Phenomena in Doped S=1/2 AF Quantum Spin Chain
S. V. Demishev, A. V. Semeno, N. E. Sluchanko +4
The results of high frequency (60-315 GHz) studies of the ESR in CuGeO3 single crystals containing 0.9% of the Mn impurity are reported. The quantitative ESR line shape analysis sh…
High frequency study of the orbital ordering resonance in the strongly correlated heavy fermion metal CeB6
S. V. Demishev, A. V. Semeno, H. Ohta +4
We report results of the study of the recently discovered magnetic resonance in the orbitally ordered phase of CeB6 (the orbital ordering resonance) in a wide frequency range 44-36…
Direct observation of quasi-particle band in CeIrIn: Angle-resolved photoemission spectroscopy study
Shin-ichi Fujimori, Atsushi Fujimori, Kenya Shimada +11
We have performed a high-resolution angle resolved Ce 4 resonant photoemission experiment on the heavy fermion superconductor CeIrIn. We have observed a quasi-particle ba…