Incipient magnetism in the cubic perovskites MgCNi3 and YBRh3: A comparison

Details Incipient magnetism in the cubic perovskites MgCNi3 and YBRh3: A comparison Incipient magnetism in the cubic perovskites MgCNi3 and YBRh3: A comparison

2005-05-12

arxiv.org/abs/cond-mat/0505310v1

Physics

Condensed Matter

Materials Science

Scientific paper

Using density-functional-based methods, we have studied the effects of incipient magnetism in the cubic perovskites MgCNi_{3} and YBRh_{3} . Our results show that (i) at the equilibrium volume, both MgCNi_{3} and YBRh_{3} alloys remain paramagnetic and (ii) at expanded volumes, only YBRh_{3} shows the possibility of a ferromagnetic phase with a local magnetic moment larger than 0.25 mu_{B} per Rh atom.

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