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Polycrystalline perovskite SrMn0.5Fe0.5O3 has been synthesized by solid state reaction method. The crystal structure, magnetic properties and valence states of Mn and Fe ions have been investigated. X ray diffraction (XRD) and subsequent Rietveld refinement confirmed that SrMn0.5Fe0.5O3 is found to be a primitive cubic crystal structure，Mn and Fe atoms randomly occupy the center of oxygen octahedron. Also with the measure of XPS which indicates that Mn ions show trivalent and tetravalent state, while Fe ions are in trivalent state. Paramagnetic phase was observed in high temperature (>230 K), the spin-glass behavior at low temperature (3+ ions located in the octahedral sites.
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Keywords:
- crystal structure /
- valence /
- paramagnetic phase /
- spin-glass
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[14] ］Han L A, Chen C L, Dong H Y, Wang J Y, Gao G M, Luo B C 2008 Acta Phys. Sin. 57 0541 (in Chinese) ［韩立安、陈长乐、董慧迎、王建元、高国棉、罗炳成 2008 物理学报 57 0541］
[15] ］Bi L, Taussig A R, Kim H S, Wang L, Dionne G F, Bono D, Persson K, Ceder G, Ross C A 2008 Phys. Rev. B 78 104106
[16] ］Deng J G, Zhang L, Dai H X, He H, Au C T 2009 J. Mol. Catal. A: Chem. 299 60
[17] ］Han W, Chang S Q, Dai Y D, Chen D, Huang Y J 2008 Acta Phys. Sin. 57 2493（in Chinese）［韩薇、常树全、戴耀东、陈达、黄彦君 2008 物理学报 57 2493］
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[1] ［1］Tokura Y, Nagaosa N 2000 Science 288 462
[2] ［2］Dagotto E, Hotta T, Moreo A 2001 Phys Rep 344 1
[3] ［3］Zener C 1951 Phys Rev. 82 403
[4] ［4］Millis A J, Littlewood P B, Shraiman B I 1995 Phys. Rev. Lett. 74 5144
[5] ［5］Lu Y, Li Q A, Di N L, Cheng Z H 2003 Acta Phys. Sin. 52 1520 (in Chinese) ［鲁毅、李庆安、邸乃力、成昭华 2003 物理学报 52 1520］
[6] ［6］Ueda K, Muraoka Y, Tabata H, Kawai T 2001 Appl. Phys. Lett. 78 512
[7] ［7］De K, Thakur M, Manna A, Giri S 2006 J. Appl. Phys. 99 013908
[8] ［8］Bhame S D, Joseph Joly V L, Joy P A 2005 Phys. Rev. B 72 054426
[9] ［9］Kolesnik S, Dabrowski B, Mais J, Brown D E, Feng R, Chmaissem O, Kruk R, Kimball C W 2003 Phys. Rev. B 67 144402
[10] ］Lee H J, Kim G, Kang J S, Dabrowski B, Han S W, Lee S S, Hwang C, Jung M C, Shin H J, Lee H G, Kim J Y, Min B I 2007 J. Appl. Phys. 101 09G523
[11] ］Kang J S, Lee H J, Kim G, Kim D H, Dabrowski B, Kolesnik S, Lee H, Kim J Y, Min B I 2008 Phys. Rev. B 78 054434
[12] ］Maignan A, Martin C, Damay F, Raveau B, Hejtmanek J 1998 Phys. Rev. B 58 2758
[13] ］Freitas R S, Ghivelder L, Damay F, Dias F, Cohen L F 2001 Phys. Rev. B 64 144404
[14] ］Han L A, Chen C L, Dong H Y, Wang J Y, Gao G M, Luo B C 2008 Acta Phys. Sin. 57 0541 (in Chinese) ［韩立安、陈长乐、董慧迎、王建元、高国棉、罗炳成 2008 物理学报 57 0541］
[15] ］Bi L, Taussig A R, Kim H S, Wang L, Dionne G F, Bono D, Persson K, Ceder G, Ross C A 2008 Phys. Rev. B 78 104106
[16] ］Deng J G, Zhang L, Dai H X, He H, Au C T 2009 J. Mol. Catal. A: Chem. 299 60
[17] ］Han W, Chang S Q, Dai Y D, Chen D, Huang Y J 2008 Acta Phys. Sin. 57 2493（in Chinese）［韩薇、常树全、戴耀东、陈达、黄彦君 2008 物理学报 57 2493］
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