Quadrupole effects in tetragonal crystals PrCuSi and DyCuSi

Mitsumoto, Keisuke*; Goto, Saori*; Nemoto, Yuichi*; Akatsu, Mitsuhiro*; Goto, Terutaka*; Dung, N. D.*; Matsuda, Tatsuma; Haga, Yoshinori ; Takeuchi, Tetsuya*; Sugiyama, Kiyohiro*; Settai, Rikio*; Onuki, Yoshichika

We have investigated quadrupole effects in tetragonal crystals of PrCuSi and DyCuSi by means of low-temperature ultrasonic measurements. The elastic constant C $_{44}$ of PrCuSi exhibits pronounced softening below 70 K, which is described in terms of a quadrupole susceptibility for a doublet ground state.

Language	:	English
Journal	:	Journal of Physics; Condensed Matter
Volume	:	25
Number	:	29
Pages	:	p.296002_1 - 296002_8
Publication Year/Month	:	2013/07
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Paper URL	:	https://doi.org/10.1088/0953-8984/25/29/296002
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Keywords	:	no keyword
Research Facility	:	第4研究棟
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Registration No. : AA20130248
JAEA Abstracts No. : 41001271
Paper Submission No. : 13261

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