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Previous workOur resultsLa 0.69Ca 0.31Mn 0.91Fe 0.09O 3Relative TransmittionLa 0.73Ca 0.27(Mn,Fe)O 3Relative transmission-4 -2 0 2 4velocity(mm/s)-2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0Relative velocity(mm/sec)Previous work used a doublet to fita single Mˆ ssbauer absorption lineOur results clearly indicatedoublets for Fe 3+ and Fe 4+ ionsMˆ ssbauer spectrum presents a clearly evidence forthe local structural distortion