Wide colossal magnetoresistance around room temperature in La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite

Chang Seop Hong; Wan Seop Kim; Nam Hwi Hur

doi:10.1016/S0038-1098(02)00065-0

Wide colossal magnetoresistance around room temperature in La_0.7Ca_0.3MnO₃/La_0.7Sr_0.3 MnO₃ composite

Chang Seop Hong, Wan Seop Kim, Nam Hwi Hur

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

14 Citations (Scopus)

Abstract

The magnetoresistance (MR) of La_0.7Ca_0.3MnO₃/La_0.7Sr_0.3 MnO₃ composite is investigated as a function of sintering temperature. Raising sintering temperature enhanced the interfacial reaction and creates interfacial phases at the boundaries of La_0.7Ca_0.3MnO₃ and La_0.7Sr_0.3MnO₃, as characterized by X-ray powder diffraction, scanning electron microscopy, and magnetic results. A broad MR across room temperature is observed in the composite sintered at 1300 °C, which is mainly ascribed to the combined effect of La_0.7Ca_0.3MnO₃ and interfacial phases.

Original language	English
Pages (from-to)	657-660
Number of pages	4
Journal	Solid State Communications
Volume	121
Issue number	12
DOIs	https://doi.org/10.1016/S0038-1098(02)00065-0
Publication status	Published - 2002 Mar 22
Externally published	Yes

Keywords

A. Magnetically ordered materials
C. Grain boundaries
D. Colossal magnetoresistance

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/S0038-1098(02)00065-0

Cite this

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title = "Wide colossal magnetoresistance around room temperature in La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite",

abstract = "The magnetoresistance (MR) of La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite is investigated as a function of sintering temperature. Raising sintering temperature enhanced the interfacial reaction and creates interfacial phases at the boundaries of La0.7Ca0.3MnO3 and La0.7Sr0.3MnO3, as characterized by X-ray powder diffraction, scanning electron microscopy, and magnetic results. A broad MR across room temperature is observed in the composite sintered at 1300 °C, which is mainly ascribed to the combined effect of La0.7Ca0.3MnO3 and interfacial phases.",

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T1 - Wide colossal magnetoresistance around room temperature in La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite

AU - Hong, Chang Seop

AU - Kim, Wan Seop

AU - Hur, Nam Hwi

PY - 2002/3/22

Y1 - 2002/3/22

N2 - The magnetoresistance (MR) of La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite is investigated as a function of sintering temperature. Raising sintering temperature enhanced the interfacial reaction and creates interfacial phases at the boundaries of La0.7Ca0.3MnO3 and La0.7Sr0.3MnO3, as characterized by X-ray powder diffraction, scanning electron microscopy, and magnetic results. A broad MR across room temperature is observed in the composite sintered at 1300 °C, which is mainly ascribed to the combined effect of La0.7Ca0.3MnO3 and interfacial phases.

AB - The magnetoresistance (MR) of La0.7Ca0.3MnO3/La0.7Sr0.3 MnO3 composite is investigated as a function of sintering temperature. Raising sintering temperature enhanced the interfacial reaction and creates interfacial phases at the boundaries of La0.7Ca0.3MnO3 and La0.7Sr0.3MnO3, as characterized by X-ray powder diffraction, scanning electron microscopy, and magnetic results. A broad MR across room temperature is observed in the composite sintered at 1300 °C, which is mainly ascribed to the combined effect of La0.7Ca0.3MnO3 and interfacial phases.

KW - A. Magnetically ordered materials

KW - C. Grain boundaries

KW - D. Colossal magnetoresistance

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