磁気秩序相の背後に潜む電荷の不安定性による新奇

14 00
BP
SPring-8
YbNi3Ga9 Yb:
Ni:
Ga:
Physical Review Letters
f
YbNi3Ga9
YbNi3Ga9
X
SPring-8 BL39XU
X
f
SPring-8
2012B0046, 2013A0046
Physical Review Letters (
)
Pressure-Induced Valence Crossover and Novel Metamagnetic Behavior near
the Antiferromagnetic Quantum Phase Transition of YbNi3Ga9
K. Matsubayashi*, T. Hirayama, T. Yamashita, S. Ohara, N. Kawamura,
M. Mizumaki, N. Ishimatsu, S. Watanabe, K. Kitagawa, and Y. Uwatoko
DOI
10.1103/PhysRevLett.114.086401
URL: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.086401
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Yb
4f146s2
Yb
Yb
4f14
Yb
SPring-8
SPring-8
Super Photon ring-8
SPring-8
Yb
Ce
Yb3+
4f13
f
s, p, d, f
f
f
X
X
X
X
(a)
(b)
X
(c)
YbNi3Ga9
~9
~
~0.7