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Raman spectra of sample A and a pure film. The Raman peaks of are labeled and ( and 2) for pure . The dashed line denotes the peak position in sample A.
dependence of sample A at , and the dependences of samples B and C at and in the inset. The dashed curves are drawn for the field induced tunneling for eye guide.
MR- curves of sample A at under various denoted in the figure.
dependences of at for sample A, and at and for samples B and C in the inset. The dashed lines represent the fits with the exponential form in the LB regions.
Characteristics of the samples with different Co contents, . The maximum MR ratios (max. MR) in the LB and HB regions are listed also.
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