Magnetic, transport, and electron magnetic resonance properties of La0.82Ca0.18MnO3 single crystals

V. Markovich, E. Rozenberg, A. I. Shames, G. Gorodetsky, I. Fita, K. Suzuki, R. Puzniak, D. A. Shulyatev, Ya M. Mukovskii

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Measurements of electrical resistance, magnetization, ac magnetic susceptibility, and ferromagnetic resonance of La0.82Ca0.18MnO3 single crystal were carried out at temperatures below and above the Curie temperature, TC= 180 ± 1 K. A state of mixed ferromagnetic phases, metallic and insulating, is clearly evident from the measurements of magnetization, ac susceptibility, and electron magnetic resonance, below TC. The effect of applied hydrostatic pressure P and magnetic field H on the magnetic and the resistive properties were also investigated. It was found that the pressure enhances the magnetization, TC, and stabilizes the ferromagnetic metal-like phase. It is concluded that phase separation plays an important role in most magnetic and transport effects observed in La0.82Ca0.18MnO3 below and above TC.

Original languageEnglish
Article number144402
Pages (from-to)1444021-1444028
Number of pages8
JournalPhysical Review B
Issue number14
Publication statusPublished - 1 Apr 2002
Externally publishedYes

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