Effect of Ti doping on the electrical transport and magnetic properties of layered compound Na0.8CoO2

W. Y. Zhang , Y. G. Zhao , Z. P. Guo , P. T. Qiao , L. Cui , L. B. Luo , X. P. Zhang , H. C. Yu

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Y. G. Shi S. Y. Zhang T. Y. Zhao J. Q. Li

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classification ❄️ cond-mat.str-el cond-mat.mtrl-sci

keywords dopingeffecttransportelectricallayeredmagneticpropertiessamples

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Effect of Ti doping on the electrical transport and magnetic properties of layered Na0.8Co1-xTixO2 compounds has been investigated. The lattice parameters a and c increase with x. A minor amount of Ti doping results in a metal-insulator transition at low temperatures. For samples with x > 0.03, the variable-range hopping process dominates the transport behavior above a certain temperature. The temperature dependence of magnetization of all the samples is found to obey the Curie-Weiss law. The mechanism of the doping effect is discussed.

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Effect of Ti doping on the electrical transport and magnetic properties of layered compound Na0.8CoO2

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