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With a view to understand the low temperature resistivity behaviour, especially below their metal insulator transition temperature, a series of bismuth doped lanthanum strontium manganites with compositional formula, La 0.67−x Bi x Sr 0.33 MnO 3 (where x=0, 0.1, 0.2, 0.3) were prepared by the sol–gel method. After characterizing these materials, a systematic investigation...
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