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Effect of Cobalt Deficiency on Physical Properties of the GdBaCo2-xO5+δ Single Crystal

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Abstract:

The effect of cobalt deficiency in a single crystal of double layered cobaltite GdBaCo1.86O5.32 on the magnetic properties was investigated. We have found that in the region 210 - 400 K the sample has the ferrimagnetic state with the Neel temperature (TN ~ 400 K) which is above the Curie temperature (TC ~ 262 K). In the paramagnetic region T = 410 - 650 K the effective magnetic moment is μeff = 8.78 μB, that points out the intermediate spin state (IS) of Co3+ ions.

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Periodical:

Solid State Phenomena (Volume 215)

Pages:

83-88

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.215.83

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Online since:

April 2014

Authors:

Tamara I. Arbuzova, Sergey V. Telegin, Sergey V. Naumov*, Eugeniy I. Patrakov, Olga G. Reznitskih

Keywords:

Cobalt Deficiency, Double Layered Perovskite, Magnetic Phase Diagram, Magnetic Susceptibility, Single Crystal, Spin State

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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