Phase magnetic segregation and magnetoresistive properties in the manganite nanocompound p-La0.8Mn1.04O3.5

Results of comprehensive, detailed studies of the magnetic and resistive properties of the nanocompound p-La0.8Mn1.04O3.5 at temperatures of 4.2–300 K in magnetic fields up to 9 T are reported. These studies of the temperature, field, and frequency dependences of the magnetization and susceptibility...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2012-06, Vol.38 (6), p.529-533
Main Authors: Rykova, A. I., Terekhov, A. V., Cherny, A. S., Khatsko, E. N., Yeremenko, A. V., Zaleski, A.
Format: Article
Language:English
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Summary:Results of comprehensive, detailed studies of the magnetic and resistive properties of the nanocompound p-La0.8Mn1.04O3.5 at temperatures of 4.2–300 K in magnetic fields up to 9 T are reported. These studies of the temperature, field, and frequency dependences of the magnetization and susceptibility indicate that, below T* ≈ 265 K the nanocomposite is in a magnetic phase-segregated state with ferromagnetic inclusions that form a superparamagnet. A unique interrelation between the magnetic resistance and the magnetization is found. The effect of aging on the magnetic and resistive properties is studied.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.4723678