Browsing Physics & Astronomy, Dept. of by Subject "bismuth compounds"
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(American Physical Society, 2005-05-06)We report that Bi doping drives Pr2-xBixRu2O7 from an antiferromagnetic insulator (x=0) to a metallic paramagnet (x≈1) with a broad low T maximum in C/T. Neutron scattering reveals local low energy spin excitations (ℎω≈1 ...