Specific heat and de Haas-van Alphen effect in NiAs
被引:6
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作者:
Nozue, T
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Nozue, T
Kobayashi, H
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Kobayashi, H
Sato, M
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Sato, M
Uesawa, A
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Uesawa, A
Suzuki, T
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Suzuki, T
Kamimura, T
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机构:Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
Kamimura, T
机构:
[1] Department of Physics, Faculty of Science, Tohoku University, Sendai, 980-77, Kawauchi, Aoba-Ku
来源:
PHYSICA B
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1997年
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237卷
关键词:
NiAs;
specific heat;
deHaas-vanAlphen effect;
Fermi surface;
D O I:
10.1016/S0921-4526(97)00088-4
中图分类号:
O469 [凝聚态物理学];
学科分类号:
070205 ;
摘要:
The specific heat at the temperature range from 1.7 to 30 K and the dHvA effect at 0.55 K in the field up to 9.5 T have been measured for Pauli paramagnetic NiAs. The electronic specific heat coefficient is 3.0 mJ/(K-2 mel) which is in good agreement with the value estimated from the calculated density of states. It is found that the dHvA oscillation in the field along [0001] consists of four frequencies which correspond to the extremal areas in the k-space of 0.06, 0.11, 0.16 and 0.18 Angstrom(-2).