Neutron scattering study of role of partial disorder-type spin fluctuations in conductivity of frustrated conductor Mn${}_3$Pt

Abstract

The spin-frustrated conductor Mn${}_3$Pt exhibits a characteristic magnetic structure called partial disorder in which some spin sites can form magnetic order through the generation of non-ordered sites that locally relieve the frustration. Here we report the results of a single-crystal inelastic neutron scattering study of this compound. The measured momentum $\vec{Q}$ correlations of diffusive magnetic scattering reveal that the paramagnetic phase exhibits short-range spin fluctuations with the same type of partial disorder. Its relation to conductivity is also discussed.

5 pages, 4 figures

References in corpus (2)

• Molecular spin resonance in the geometrically frustrated MgCr2O4 magnet by inelastic neutron scattering
• Metal-insulator Transition in a Pyrochlore-type Ruthenium oxide, Hg2Ru2O7