Bi
Ni; A 
Bi NMR/NQR studyBiNiにおける混成ギャップ; Bi核核磁気共鳴(NMR/NQR)による研究Baek, S.-H.*; Curro, N. J.*; Klimczuk, T.*; 酒井 宏典 
; Bauer, E. D.*; Ronning, F.*; Thompson, J. D.*
Baek, S.-H.*; Curro, N. J.*; Klimczuk, T.*; Sakai, Hironori; Bauer, E. D.*; Ronning, F.*; Thompson, J. D.*
We report Bi nuclear-magnetic-resonance and nuclear-quadrupole-resonance measurements on a single crystal of the Kondo insulator UBiNi. The Bi nuclear-spin-lattice relaxation rate (
) shows activated behavior and is well fit by a spin gap of 220 K. The Bi Knight shift (
) exhibits a strong temperature dependence arising from 
electrons, in which is negative at high temperatures and increases as the temperature is lowered. Below 50 K, shows a broad maximum and decreases slightly upon further cooling. Our data provide insight into the evolution of the hyperfine fields in a fully gapped Kondo insulator based on electron hybridization.
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: | English |
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巻 |
: | 79 |
号 |
: | 19 |
ページ数 |
: | p.195120_1 - 195120_4 |
発行年月 |
: | 2009/05 |
キーワード |
: | no keyword |
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- Accesses |
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パーセンタイル：29.51 分野：Materials Science, Multidisciplinary |
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