Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 470, Issue -, Pages 101-104Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2017.11.114
Keywords
Ferrites; Pelletizing; Sintering; Single crystal; Thermal expansion
Funding
- Act 211 Government of the Russian Federation [02.A03.21.0011]
- Russian Foundation for Basic Research [16-08-01043]
- Ministry of Education and Science of the Russian Federation [RFMEFI59417X0014, SUSU 10.9639.2017/8.9, MISiS G02-2017-2-4]
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Barium hexaferrite pellets were prepared by sintering method and single crystal was obtained by flux technique. The thermal expansion coefficients of Ba0,3Pb0,7Fe12O19 single crystal along a and c axes are 9.9 * 10(-6) K-1 and 17.4 * 10(-6) K-1. It is in a good agreement with thermal expansion coefficients of pellets. The complicated expansion curve along a axe at 400-780 degrees C could originate from magnetic disordering near Curie temperature. (C) 2017 Elsevier B.V. All rights reserved.
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