Electron spin resonance study of the local properties of the microscopic phase separation in La{sub 1-x}Ca{sub x}MnO{sub 3} single-crystal films
Journal Article
·
· Journal of Experimental and Theoretical Physics
- Russian Academy of Sciences, Zavoiskii Physicotechnical Institute (Russian Federation)
- Johannes Gutenberg University of Mainz, Institute of Physics (Germany)
Electron spin resonance is studied in films of La{sub 1-x}Ca{sub x}MnO{sub 3} manganites with compositions in the vicinity of the calcium content x = 0.5, in which the phase separation is most clearly pronounced. It is found that the La{sub 0.5}Ca{sub 0.5}MnO{sub 3} manganite undergoes different types of phase separation: (i) at temperatures above the Curie point, ferromagnetic regions exist in the paramagnetic phase; and (ii) at temperatures below the Neel point, antiferromagnetic microregions coexist with ferromagnetic microregions. Two types of ferromagnetic domains with different magnetization orientations are revealed In the temperature range between the Curie and Neel points.
- OSTI ID:
- 21075806
- Journal Information:
- Journal of Experimental and Theoretical Physics, Journal Name: Journal of Experimental and Theoretical Physics Journal Issue: 1 Vol. 105; ISSN JTPHES; ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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