Small conductance fluctuations in a second-order colossal magnetoresistive transition

A. Palanisami; R. D. Merithew; M. B. Weissman; Maitri P. Warusawithana; F. M. Hess; J. N. Eckstein

doi:10.1103/PhysRevB.66.092407

Small conductance fluctuations in a second-order colossal magnetoresistive transition

A. Palanisami, R. D. Merithew, M. B. Weissman, Maitri P. Warusawithana, F. M. Hess, J. N. Eckstein

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Epitaxial films of La_0.72Sr_0.28MnO₃ (LSMO) are found to show almost no excess conductivity fluctuations associated with the colossal-magnetoresistive transition, in contrast to the closely related material La_0.67Ca_0.33MnO₃ (LCMO). The result fits with the contrast between the suspected second-order transition in LSMO and the (locally) first-order transition and mixed phase in LCMO.

Original language	English (US)
Article number	092407
Pages (from-to)	924071-924074
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	66
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.66.092407
State	Published - Sep 1 2002

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.66.092407

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T1 - Small conductance fluctuations in a second-order colossal magnetoresistive transition

AU - Palanisami, A.

AU - Merithew, R. D.

AU - Weissman, M. B.

AU - Warusawithana, Maitri P.

AU - Hess, F. M.

AU - Eckstein, J. N.

PY - 2002/9/1

Y1 - 2002/9/1

N2 - Epitaxial films of La0.72Sr0.28MnO3 (LSMO) are found to show almost no excess conductivity fluctuations associated with the colossal-magnetoresistive transition, in contrast to the closely related material La0.67Ca0.33MnO3 (LCMO). The result fits with the contrast between the suspected second-order transition in LSMO and the (locally) first-order transition and mixed phase in LCMO.

AB - Epitaxial films of La0.72Sr0.28MnO3 (LSMO) are found to show almost no excess conductivity fluctuations associated with the colossal-magnetoresistive transition, in contrast to the closely related material La0.67Ca0.33MnO3 (LCMO). The result fits with the contrast between the suspected second-order transition in LSMO and the (locally) first-order transition and mixed phase in LCMO.

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Small conductance fluctuations in a second-order colossal magnetoresistive transition

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