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Sakai, Toru; Okamoto, Kiyomi*; Tonegawa, Takashi*
Journal of Physics; Conference Series, 150, p.042169_1 - 042169_4, 2009/03
Times Cited Count：2 Percentile：73.50(Thermodynamics)The magnetization process of the spin ladder systems with ferromagnetic rung exchange interaction is theoretically investigated using the numerical exact diagonalization and the finite-size scaling technique. It is found that with some easy-axis anisotropy the system would exhibit a new two-step spin flop transition induced by an external magnetic field.
Tateiwa, Naoyuki; Ikeda, Shugo*; Haga, Yoshinori; Matsuda, Tatsuma; Nakashima, Miho*; Aoki, Dai*; Settai, Rikio*; Onuki, Yoshichika
Journal of Physics; Conference Series, 150, p.042206_1 - 042206_4, 2009/03
Times Cited Count：4 Percentile：86.10(Thermodynamics)We have studied the high pressure effect on the antiferromagnetic ground states of uranium heavy fermion compounds. In this paper we show our high pressure studies on U
Zn
by the electrical resistivity measurements. In UZn, the N
el temperature 
in UZn decreases slightly from 9.66 K at 1 bar to 9.33 K at 2.5 GPa, becomes almost pressure-independent up to 4.7 GPa, and starts to increase at the higher pressure region. We discuss the pressure dependences of the coefficient of 
term in the electrical resistivity 
, an antiferromagnetic gap 
and a characteristic temperature 
. It is found that the effect of pressure on the electronic states in UZn is weak compared with the other heavy fermion compounds.
Inami, Toshiya; Toyokawa, Hidenori*; Terada, Noriki*; Kitazawa, Hideaki*
Journal of Physics; Conference Series, 150, p.042069_1 - 042069_4, 2009/03
Times Cited Count：1 Percentile：60.62(Thermodynamics)Kubo, Katsunori
Journal of Physics; Conference Series, 150(4), p.042101_1 - 042101_4, 2009/03
Times Cited Count：3 Percentile：81.59(Thermodynamics)
Tokunaga, Yo; Suzuki, Hiroyuki*; Sakai, Hironori; Chudo, Hiroyuki; Kambe, Shinsaku; Yasuoka, Hiroshi; Homma, Yoshiya*; Aoki, Dai*; Shiokawa, Yoshinobu*
Journal of Physics; Conference Series, 150, p.042211_1 - 042211_4, 2009/00
Times Cited Count：2 Percentile：73.50(Thermodynamics)The first 
La-NMR measurement has been carried out on a La dilute system of PrPb. We have succeeded to detect La-NMR signal on a powder sample of Pr
La
Pb and extracted the temperature dependence of the Knight shift 
in a temperature range between 1.5 and 220 K. has been found to maintain a linear relation with the bulk-susceptibility 
in wide temperature range, except for a small deviation in the temperature region below 6 K. The slopes of the 
vs 
plots yield for the hyperfine coupling constants 
the value 375 Oe/
. From the NMR results, we discuss the effect of the La substitutions on microscopic magnetic properties of PrPb.
investigated by resonant inelastic X-ray scatteringIkeuchi, Kazuhiko; Jarrige, I.; Ishii, Kenji; Inami, Toshiya; Mizuki, Junichiro; Bizen, Daisuke*; Murakami, Yoichi*; Miyasaka, Shigeki*; Fujioka, Jun*; Tokura, Yoshinori*
no journal, ,
Kajimoto, Ryoichi; Sagayama, Hajime*; Sasai, Kenzo*; Fukuda, Tatsuo; Tsutsui, Satoshi*; Arima, Takahisa*; Hirota, Kazuma*; Mitsui, Yukari*; Yoshizawa, Hideki*; Baron, A. Q. R.*; et al.
no journal, ,
