Observations on colossal electroresistance (ER) and giant magnetoresistance in doped PbPdO2, one of the candidates of a new class of materials, spin gap-less semiconductors, are reported. The resistivity is strongly suppressed by electrical current below a metal-insulator transition with the ER values of up to 107, which is much greater than that achieved in colossal magnetoresistance materials.
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Wang et al. (2009) studied this question.
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