TOWARD INSULATING QUASI-CRYSTALLINE ALLOY IN AL-PD-RE ICOSAHEDRAL PHASE

被引：83

作者：

AKIYAMA, H

HONDA, Y

HASHIMOTO, T

EDAGAWA, K

TAKEUCHI, S

机构：

[1] Institute for Solid State Physics, The University of Tokyo, Minatoku, Tokyo, Roppongi

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1993年 / 32卷 / 7B期

关键词：

QUASI-CRYSTAL; AL-PD-RE; ICOSAHEDRAL PHASE; ELECTRICAL RESISTIVITY; MAGNETOCONDUCTIVITY; WEAK LOCALIZATION;

D O I：

10.1143/JJAP.32.L1003

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The resistivities in Al70Pd20Re10 alloy of the icosahedral phase are quite sample dependent, possibly due to slight variation of the alloy composition. In some samples, the resistivity at room temperature is approximately 0.01 OMEGA.cm and that at 4.2 K is as high as approximately 0.1 OMEGA.cm; these values are much higher than any values reported so far for quasicrystals. The temperature dependence of the conductivity is almost linear above 4.2 K, and the magnetoconductivity is negative. Such dependence is interpreted by the theory of weak localization which takes into account the spin-orbit scattering.

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收藏

页码：L1003 / L1004

页数：2

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