Magnetic State of a GdBaCo1.86O5.0 Single Crystal

Single crystals of double-layered cobaltites with the general formula GdBaCo 2 − x O 5.5 − ´ have been studied. It has been shown that a large number of vacancies in the cobalt and oxygen sublattices of GdBaCo 1.86 O 5.0 affect their magnetic state. The comparison of the magnetic properties of the G...

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Bibliographic Details
Published in:JETP letters 2020-02, Vol.111 (3), p.172-175
Main Authors: Arbuzova, T. I., Naumov, S. V.
Format: Article
Language:English
Subjects:
Atomic
Biological and Medical Physics
Biophysics
Condensed Matter
Magnetic properties
Molecular
Optical and Plasma Physics
Oxygen ions
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Information Technology
Single crystals
Solid State Physics
Spintronics
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Summary:Single crystals of double-layered cobaltites with the general formula GdBaCo 2 − x O 5.5 − ´ have been studied. It has been shown that a large number of vacancies in the cobalt and oxygen sublattices of GdBaCo 1.86 O 5.0 affect their magnetic state. The comparison of the magnetic properties of the GdBaCo 1.86 O 5.0 and GdBaCo 1.86 O 5.32 single crystals has shown that a decrease in the concentration of oxygen ions at the same number of Co ions results in the breaking of Co-O-Co exchange bonds and the implementation of a magnetically ordered state at lower temperatures compared to GdBaCo 1.86 O 5.32 .
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364020030054