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Is CaRuO3 a non-Fermi liquid metal?
被引:13
|作者:
Klein, L
[1
]
Antognazza, L
Geballe, TH
Beasley, MR
Kapitulnik, A
机构:
[1] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
[2] Univ Geneva, Dept Phys Mat Condensee, CH-1211 Geneva 4, Switzerland
[3] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA
基金:
美国国家科学基金会;
关键词:
ruthenates;
CaRuO3;
non-Fermi liquid;
resistivity;
D O I:
10.1016/S0921-4526(98)00900-4
中图分类号:
O469 [凝聚态物理学];
学科分类号:
070205 ;
摘要:
We measured the resistivity rho and magnetoresistance Delta rho/rho of the metallic pseudocubic perovskite CaRuO3. At high temperatures rho = a + bT(0.5) and Delta rho/rho is negative. At low temperatures rho = a + bT(1.5) and Delta rho/rho is non-monotonic. Both at high and low temperatures rho deviates strongly from the resistivity of Fermi liquid metals, suggesting that CaRuO3 is a non-Fermi liquid metal. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码:431 / 432
页数:2
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