Walker, HC; Le, MD; McEwen, KA; Bleckmann, M; Suellow, S; Mazzoli, C; Wilkins, SB; Walker, HC; Le, MD; McEwen, KA; Bleckmann, M; Suellow, S; Mazzoli, C; Wilkins, SB; Fort, D; - view fewer (2011) 5f delocalization-induced suppression of quadrupolar order in U(Pd1-xPtx)(3). Physical Review B , 84 (23) , Article 235142. 10.1103/PhysRevB.84.235142.

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Abstract

We present bulk magnetic and transport measurements and x-ray resonant scattering measurements on U(Pd1−xPtx)3 for x=0.005 and 0.01, which demonstrate the high sensitivity of the quadrupolar order in the canonical antiferroquadrupolar ordered system UPd3 to doping with platinum. Bulk measurements for x=0.005 reveal behavior similar to that seen in UPd3, albeit at a lower temperature, and x-ray resonant scattering provides evidence of quadrupolar order described by the Qxy order parameter. In contrast, bulk measurements reveal only an indistinct transition in x=0.01, consistent with the observation of short-range quadrupolar order in our x-ray resonant scattering results.

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