Effects of B′-site transition metal on the properties of double perovskites Sr2FeMO6 (M = Mo, W): B′ 4d-5d system

T. S. Chan, R. S. Liu, G. Y. Guo, Shu-Fen Hu, J. G. Lin, J. M. Chen, C. R. Chang

Research output: Contribution to journalArticle

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Abstract

The crystal structure, magnetic and magnetotransport properties of the variation of B′-site transition metal in S2FeMO6 (M=Mo, W) with double perovskites structure have been investigated systematically. Measurements of magnetization vs. temperature at H=5T show that Sr2FeMoO6 is a ferromagnet and Sr2FeWO 6 is an antiferromagnet with TN∼35 K. Additionally, the large magnetoresistance ratio (MR) of ∼22% (H=3 T) at room temperature (RT) was observed in the Sr2FeWO6 compound. However, the Sr2FeMoO6 compound did not show any significant MR even at high fields and RT (MR∼ 1%; H=3 T and 300 K). The implications of these findings are supported by band structure calculations to explain the interaction between the 4d(Mo) and 5d(W) orbitals of transition metal ions and oxygen ions.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalSolid State Communications
Volume133
Issue number4
DOIs
Publication statusPublished - 2005 Jan 1

Fingerprint

Magnetoresistance
perovskites
Transition metals
transition metals
temperature ratio
room temperature
oxygen ions
Galvanomagnetic effects
metal ions
magnetic properties
orbitals
Band structure
Temperature
magnetization
crystal structure
Metal ions
Magnetization
Crystal structure
Ions
Oxygen

Keywords

  • A. Magnetically ordered materials
  • D. Magnetoresistance
  • E. X-ray spectroscopies

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Effects of B′-site transition metal on the properties of double perovskites Sr2FeMO6 (M = Mo, W) : B′ 4d-5d system. / Chan, T. S.; Liu, R. S.; Guo, G. Y.; Hu, Shu-Fen; Lin, J. G.; Chen, J. M.; Chang, C. R.

In: Solid State Communications, Vol. 133, No. 4, 01.01.2005, p. 265-270.

Research output: Contribution to journalArticle

Chan, T. S. ; Liu, R. S. ; Guo, G. Y. ; Hu, Shu-Fen ; Lin, J. G. ; Chen, J. M. ; Chang, C. R. / Effects of B′-site transition metal on the properties of double perovskites Sr2FeMO6 (M = Mo, W) : B′ 4d-5d system. In: Solid State Communications. 2005 ; Vol. 133, No. 4. pp. 265-270.
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AU - Chan, T. S.

AU - Liu, R. S.

AU - Guo, G. Y.

AU - Hu, Shu-Fen

AU - Lin, J. G.

AU - Chen, J. M.

AU - Chang, C. R.

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N2 - The crystal structure, magnetic and magnetotransport properties of the variation of B′-site transition metal in S2FeMO6 (M=Mo, W) with double perovskites structure have been investigated systematically. Measurements of magnetization vs. temperature at H=5T show that Sr2FeMoO6 is a ferromagnet and Sr2FeWO 6 is an antiferromagnet with TN∼35 K. Additionally, the large magnetoresistance ratio (MR) of ∼22% (H=3 T) at room temperature (RT) was observed in the Sr2FeWO6 compound. However, the Sr2FeMoO6 compound did not show any significant MR even at high fields and RT (MR∼ 1%; H=3 T and 300 K). The implications of these findings are supported by band structure calculations to explain the interaction between the 4d(Mo) and 5d(W) orbitals of transition metal ions and oxygen ions.

AB - The crystal structure, magnetic and magnetotransport properties of the variation of B′-site transition metal in S2FeMO6 (M=Mo, W) with double perovskites structure have been investigated systematically. Measurements of magnetization vs. temperature at H=5T show that Sr2FeMoO6 is a ferromagnet and Sr2FeWO 6 is an antiferromagnet with TN∼35 K. Additionally, the large magnetoresistance ratio (MR) of ∼22% (H=3 T) at room temperature (RT) was observed in the Sr2FeWO6 compound. However, the Sr2FeMoO6 compound did not show any significant MR even at high fields and RT (MR∼ 1%; H=3 T and 300 K). The implications of these findings are supported by band structure calculations to explain the interaction between the 4d(Mo) and 5d(W) orbitals of transition metal ions and oxygen ions.

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