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Electron Transport Properties of La1-xSrxTiO3 Under Hydrostatic Pressure

  • Charles C. Hays (a1), Jianshi Zhou (a1), John B. Goodenough (a1) and John T. Markert (a1)


The temperature dependence of the resistance and thermoelectric power under hydrostatic pressure between 10 and 300 K are reported for two compositions, x = 0.044 and x = 0.05, of the narrowband system La1-xSrxTiO3. The application of hydrostatic pressure at room temperature induces a transition from a positive p-type to a negative n-type thermoelectric power for x = 0.044. This behavior is interpreted within a model of itinerant-electron antiferromagnetism in LaTiO3.



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