Pressure effect on electrical resistivity of Y1-xGdxCo2

Nakama T; Takaesua Y; Yagasaki K; Sakai E; Kurita N; Hedo M; Uwatoko Y; Burkov AT

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Pressure effect on electrical resistivity of Y1-xGdxCo2

机译：压力对Y1-xGdxCo2电阻率的影响

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Electrical resistivity of Y1-xGdxCo2 alloy system has been measured at temperatures from 2 to 300 K in magnetic field up to 15T and under pressure up to 10 GPa. The compounds with the composition near to phase boundary between paramagnetic and ferromagnetic ground state (x(c) approximate to 0.12) show strong enhancement of electrical resistivity at low temperatures. Large positive magnetoresistance was observed in ferromagnetic alloys in composition range 0.15 < x < 0.3. The anomalous magneto resistance as well as the composition dependence of the low-temperature resistivity were explained by an interplay of metamagnetic instability of Co 3d itinerant electrons and structural disorder within rare-earth sublattice. The pressure effect on electrical resistivity for Y1-xGdxCo2 at low temperatures is in agreement with the variation of magnetoresistance with the composition. (c) 2006 Elsevier B.V. All rights reserved.

机译：Y1-xGdxCo2合金系统的电阻率是在2至300 K的温度下，最高15T的磁场和最高10 GPa的压力下测量的。组成接近顺磁性和铁磁性基态之间的相界（x（c）约为0.12）的化合物在低温下显示出很强的电阻率增强。在铁磁性合金中观察到大的正磁致电阻，其组成范围为0.15

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《Physica, B. Condensed Matter》 |2006年第0期|共2页
作者
Nakama T; Takaesua Y; Yagasaki K; Sakai E; Kurita N; Hedo M; Uwatoko Y; Burkov AT;
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正文语种 eng
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magnetoresi stance; pressure effect; itinerant electron metamagnetism;

机译：磁电阻压力效应流动电子亚磁性;

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1. Pressure effect on electrical resistivity of Y1-xGdxCo2 [J] . Nakama T, Takaesua Y, Yagasaki K, Physica, B. Condensed Matter . 2006,第0期

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Pressure effect on electrical resistivity of Y1-xGdxCo2

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