2009•Journal of Nanjing Institute of TechnologyRequires access

Effect of Magnetic Fields on Magnetoresistance of Self-doped La_(0.8)MnO_(3+δ) Compounds

Bai Hui

Abstract

Big self-doped La0.8MnO3+δ compounds were fabricated by using solid state reaction at certain temperature to investigate the magnetoresistance effect of the samples in different magnetic fields.The results show that all the samples display an insulator-metal transition,coupled with marked magnetoresistance effect.Moreover,the changes of magnetic fields exercise significant influences on magnetoresistance effect.

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Key concepts: Magnetoresistance, Condensed matter physics, Colossal magnetoresistance, Materials science, Doping, Magnetic field, Metal–insulator transition, Metal