Structure and magnetic properties of SmCo7-xTix with TbCu7-type structure

J. Zhou, I. A. Al-Omari, J. P. Liu, D. J. Sellmyer

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Abstract

The SmCo7-xTix, x = 0-0.56 bulk samples are prepared by arc melting. X-ray diffraction indicates that samples with 0.27-type structure phase and other minor phases appear for other values of x, which indicates that Ti helps stabilize the 1-7 phase. The lattice parameters ratio (c/a) increases with increasing Ti concentration. Room temperature saturation magnetization and Curie temperature decrease with increasing x. X-ray diffraction and magnetization measurements on aligned samples show that all samples studied have uniaxial anisotropy. The anisotropy field is found to increase with increasing x reaching a maximum of 175 kOe at x = 0.28 and then decreases for higher values of x. This anisotropy field is 20% higher than that of the same compound with Th2Zn17-type structure.

Original languageEnglish
Pages (from-to)5299-5301
Number of pages3
JournalJournal of Applied Physics
Volume87
Issue number9 II
Publication statusPublished - May 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

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