Critical behavior of magnetoresistance near the metal-insulator transition of La₀₇Ca₀₃MnO₃

Huhtinen, H.
Laiho, R.
Lisunov, K. G.
Zakhvalinskii, V. S.
Stamov, V. N.

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Publication date

January 2002

DOI

10.1016/S0304-8853(01)00847-2

Publisher

Elsevier BV

Abstract

The resistivity, ρ(T), of thin film and bulk samples of La₀₇Ca₀₃MnO₃ is investigated in magnetic fields between 0-10 T and temperatures between 10-340 K. Metallic resistivity, ρlt(T)=ρr+ρ2T2+ρ4.5T4.5, is observed well below the metal–insulator transition (MIT) temperature TMI. For T>TMI, the resistivity is governed by the Shklovskii-Efros variable-range hopping mechanism, giving View the MathML sourceyesBelgorod State Universit

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Critical behavior of magnetoresistance near the metal-insulator transition of La₀₇Ca₀₃MnO₃

Abstract

Extracted data

Critical behavior of magnetoresistance near the metal-insulator transition of La₀₇Ca₀₃MnO₃

Abstract

Extracted data

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