Effects of electron correlation and geometrical frustration on magnetism of icosahedral quasicrystals and approximants—an attempt to bridge the gap between …
Icosahedral quasicrystals (QCs), which are long-range ordered materials featuring a
symmetry incompatible with translational invariance, have received a revived interest since …
symmetry incompatible with translational invariance, have received a revived interest since …
Review on crystal structures and magnetic properties of RTX 3 materials
The structural and compositional diversity of the RTX 3 family of materials offers various
magnetic and thermodynamic properties such as complex magnetic structure, vibronic …
magnetic and thermodynamic properties such as complex magnetic structure, vibronic …
Pressure-Induced Valence Crossover and Novel Metamagnetic Behavior near the Antiferromagnetic Quantum Phase Transition of
K Matsubayashi, T Hirayama, T Yamashita, S Ohara… - Physical review …, 2015 - APS
We report electrical resistivity, ac magnetic susceptibility, and x-ray absorption spectroscopy
measurements of intermediate valence YbNi 3 Ga 9 under pressure and magnetic field. We …
measurements of intermediate valence YbNi 3 Ga 9 under pressure and magnetic field. We …
Novel valence transition in elemental metal europium around 80 GPa
Valence transition could induce structural, insulator-metal, nonmagnetic-magnetic and
superconducting transitions in rare-earth metals and compounds, while the underlying …
superconducting transitions in rare-earth metals and compounds, while the underlying …
Concomitant singularities of Yb-valence and magnetism at a critical lattice parameter of icosahedral quasicrystals and approximants
K Imura, H Yamaoka, S Yokota, K Sakamoto… - Scientific Reports, 2020 - nature.com
Abstract Non-Fermi-liquid (NFL), a significant deviation from Fermi-liquid theory, usually
emerges near an order-disorder phase transition at absolute zero. Recently, a diverging …
emerges near an order-disorder phase transition at absolute zero. Recently, a diverging …
Pressure dependence of the electronic structure of 4f and 3d electron systems studied by X-ray emission spectroscopy
H Yamaoka - High Pressure Research, 2016 - Taylor & Francis
Techniques based on X-ray emission spectroscopy (XES) have been utilized to investigate
pressure-induced changes in the electronic structure in samples subject to high pressure in …
pressure-induced changes in the electronic structure in samples subject to high pressure in …
Electronic and Crystal Structures of YbInCu4-Based Compounds under Pressure
H Yamaoka, A Ohmura, N Tsujii, Y Furue… - Journal of the Physical …, 2023 - journals.jps.jp
The electronic structures of YbInCu4, Y0. 1Yb0. 9InCu4, YbIn0. 95Ag0. 05Cu4, and YbIn0.
9Ag0. 1Cu4 were measured under pressure at 300 K. The Yb valence of Y0. 1Yb0. 9InCu4 …
9Ag0. 1Cu4 were measured under pressure at 300 K. The Yb valence of Y0. 1Yb0. 9InCu4 …
Valence instability and crystal structures in studied by x-ray absorption spectroscopy and x-ray diffraction
H Yamaoka, Y Michiue, Y Yamamoto, N Tsujii, M Arita… - Physical Review B, 2024 - APS
The electronic and crystal structures of YbCu x Ga 2− x under pressure were investigated by
high-resolution x-ray absorption spectroscopy (XAS) at the Yb-L 3 absorption edge and x …
high-resolution x-ray absorption spectroscopy (XAS) at the Yb-L 3 absorption edge and x …
Pressure-induced anomalous valence crossover in cubic YbCu5-based compounds
A pressure-induced anomalous valence crossover without structural phase transition is
observed in archetypal cubic YbCu5 based heavy Fermion systems. The Yb valence is …
observed in archetypal cubic YbCu5 based heavy Fermion systems. The Yb valence is …
Crossover from a heavy fermion to intermediate valence state in noncentrosymmetric Yb2Ni12(P,As)7
We report measurements of the physical properties and electronic structure of the hexagonal
compounds Yb2Ni12 Pn 7 (Pn= P, As) by measuring the electrical resistivity, magnetization …
compounds Yb2Ni12 Pn 7 (Pn= P, As) by measuring the electrical resistivity, magnetization …