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Magnetic structure of TbBaCo2O5.4 perovskite

Published online by Cambridge University Press:  31 January 2011

D. D. Khalyavin ,
I. O. Troyanchuk ,
N. V. Kasper ,
Q. Huang ,
J. W. Lynn  and
H. Szymczak
D. D. Khalyavin
Affiliation:
Institute of Solid State and Semiconductor Physics, National Academy of Sciences of Belarus, P. Brovki str. 17, 220072 Minsk, Belarus
I. O. Troyanchuk
Affiliation:
Institute of Solid State and Semiconductor Physics, National Academy of Sciences of Belarus, P. Brovki str. 17, 220072 Minsk, Belarus
N. V. Kasper
Affiliation:
Institute of Solid State and Semiconductor Physics, National Academy of Sciences of Belarus, P. Brovki str. 17, 220072 Minsk, Belarus
Q. Huang
Affiliation:
NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899–8562, and Department of Materials and Nuclear Engineering, University of Maryland, College Park, Maryland 20742
J. W. Lynn
Affiliation:
NISTCenter for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899–8562
H. Szymczak
Affiliation:
Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02–668 Warsaw, Poland
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Abstract

In accordance with magnetization studies, the fast-cooled TbBaCo2O5.4 is characterized by spontaneous magnetization around 0.18 μB per cobalt ion, which develops below TN = 245 K. The neutron diffraction study of this compound revealed that magnetic moments of Co3+; ions adopting intermediate spine state are ordered antiferromagnetically. Both magnetization and neutron diffraction study showed that there is a spin reorientation process in the wide temperature range. The crystal and magnetic structures are discussed.

Type
Articles
Information
Journal of Materials Research , Volume 17 , Issue 4 , April 2002 , pp. 838 - 843
Copyright
Copyright © Materials Research Society 2002

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