Negative magnetoresistance of (1–)LaSrMnO/(GeO, LiPO) composite ceramics

Yu. V. Kabirov,V. G. Gavrilyachenko,A. S. Bogatin,N. V. Lyanguzov,T. V. Gavrilyachenko, B. S. Medvedev

Technical Physics Letters（2016）

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摘要

Ceramics of (1–)LaSrMnO/(GeO) and (1–)LaSrMnO/(LiPO) compositions with = 0.1–0.3 have been synthesized that possess high absolute values of isotropic negative magnetoresistance at room temperature. In a composite containing 20 mass % GeO as the barrier component, the negative magnetoresistance reaches = 15% in a magnetic field of 18 kOe, while an analogous composite with LiPO under identical conditions has = 16%.

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关键词

Percolation Threshold,Technical Physic Letter,Ceramic Composite,Negative Magnetoresistance,Germanium Oxide

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