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cond-mat.mtrl-sci2003
Suppression of the Magnetic Phase Transition in Manganites Close to the Metal-Insulator Crossover
F. Rivadulla, J. Rivas, J. B. Goodenough
We report the suppression of the magnetic phase transition in La1-xCaxMnO3 close to the localized-to-itinerant electronic transition, i.e. at x = 0.2 and x = 0.5. A new crossover t…
cond-mat.mtrl-sci2003
Chemical, Structural, and Transport Properties of Na1-xCoO2
F. Rivadulla, J. S. Zhou, J. B. Goodenough
We report measurement of room-temperature compressibility, thermal expansion, thermoelectric power a(T) at various pressures P < 20 kbar, basal-plane resistivity rab (T), magnetic…