ESR study of magnetic structures in La0.7Ca0.3MnO3

K. W. Joh; C. E. Lee; C. H. Lee; Y. H. Jeong

doi:10.1016/S1567-1739(02)00151-7

ESR study of magnetic structures in La_0.7Ca_0.3MnO₃

K. W. Joh, C. E. Lee, C. H. Lee, Y. H. Jeong

Department of Physics

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

Comprehensive measurements of electron spin resonance (ESR) and magnetization of La_0.7Ca_0.3MnO₃ in the ferromagnetic as well as paramagnetic phases were carried out. Quantitative evidences for the inhomogeneous magnetic structure, consisting of ferromagnetic microregions embedded in the antiferromagnetic surrounding near T_c, were found. It is suggested that the microscopic local magnetic structures above and below T_c are qualitatively similar except that the phase below T_c carries long range order between the ferromagnetic microregions whose sizes grow with decreasing temperature.

Original language	English
Pages (from-to)	411-415
Number of pages	5
Journal	Current Applied Physics
Volume	2
Issue number	5
DOIs	https://doi.org/10.1016/S1567-1739(02)00151-7
Publication status	Published - 2002 Oct

Keywords

Colossal magnetoresistance
ESR
LaCa
Phase separation

ASJC Scopus subject areas

Materials Science(all)
Physics and Astronomy(all)

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10.1016/S1567-1739(02)00151-7

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Joh, K. W., Lee, C. E., Lee, C. H., & Jeong, Y. H. (2002). ESR study of magnetic structures in La_0.7Ca_0.3MnO₃. Current Applied Physics, 2(5), 411-415. https://doi.org/10.1016/S1567-1739(02)00151-7

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abstract = "Comprehensive measurements of electron spin resonance (ESR) and magnetization of La0.7Ca0.3MnO3 in the ferromagnetic as well as paramagnetic phases were carried out. Quantitative evidences for the inhomogeneous magnetic structure, consisting of ferromagnetic microregions embedded in the antiferromagnetic surrounding near Tc, were found. It is suggested that the microscopic local magnetic structures above and below Tc are qualitatively similar except that the phase below Tc carries long range order between the ferromagnetic microregions whose sizes grow with decreasing temperature.",

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AU - Lee, C. H.

AU - Jeong, Y. H.

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AB - Comprehensive measurements of electron spin resonance (ESR) and magnetization of La0.7Ca0.3MnO3 in the ferromagnetic as well as paramagnetic phases were carried out. Quantitative evidences for the inhomogeneous magnetic structure, consisting of ferromagnetic microregions embedded in the antiferromagnetic surrounding near Tc, were found. It is suggested that the microscopic local magnetic structures above and below Tc are qualitatively similar except that the phase below Tc carries long range order between the ferromagnetic microregions whose sizes grow with decreasing temperature.

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KW - ESR

KW - LaCa

KW - Phase separation

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