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Magnetization and magnetoresistance in insulating phases ofSrFeO3−δ
2005
Physical Review B
We report the synthesis and properties of two new insulating phases of SrFeO3-d with introduction of oxygen deficiencies in metallic SrFeO3 ; one with 0.15 < d < 0.19 (sample A)and the other above d = 0.19 (sample B). Sample A shows large negative magnetoresistance around the charged ordering (CO) temperature with magnetic anomalies seen in the temperature dependent resistivity,magnetization and M-H hysteresis loops. Sample B shows a smooth insulating behavior with no thermal hysteresis in the
doi:10.1103/physrevb.72.054425
fatcat:rpclh5yyxfffpbhmmjemtnxyfa