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  • Title: Effect of pressure on lattice distortion, transport and magnetic properties of Pr-substituted La(1.2)Sr(1.8)Mn(2)O(7) bilayered manganite.
    Author: Yamato Y, Matsukawa M, Nimori S, Suryanarayanan R, Murano Y, Nakanishi Y, Apostu M, Revcolevschi A, Koyama K, Kobayashi N.
    Journal: J Phys Condens Matter; 2009 Dec 02; 21(48):486001. PubMed ID: 21832533.
    Abstract:
    We have studied the effect of pressure on the anomalous lattice striction, both in the ab-plane and along the c-axis, of (La,Pr)(1.2)Sr(1.8)Mn(2)O(7) single crystals over the temperature region where the paramagnetic insulator to ferromagnetic metal transition takes place. We have examined the temperature dependence of the resistivity and the magnetization under applied pressure. The chemical pressure effect due to Pr-substitution at the La site suppresses the transition temperature of the parent crystal, while the application of external pressure on Pr-substituted crystals enhances the double exchange driven metallic state, resulting in a stable rise of T(c).
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