Phys. Rev. B 40, 7395–7398 (1989)Observation of a pressure-induced collapse of the Fe magnetic moment in the strong itinerant ferromagnet Fe72Pt28
We observe a pressure-induced magnetic collapse from a ferromagnetic [high-moment, (HM)] state to a low-moment (LM) magnetic state in the strong itinerant ferromagnet Fe72Pt28 (ordered and disordered phases). Such an existence of energetically closely lying HM and LM states demonstrates a unique physical picture of ferromagnetism in 3d magnetic systems that exhibit anomalously large magnetovolume effects. We further show that atomic ordering in Fe72Pt28 stabilizes the ferromagnetic ground state against pressure and modifies the spin correlations of the pressure-induced LM magnetic ground state. © 1989 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.40.7395
DOI:
10.1103/PhysRevB.40.7395
PACS:
75.30.Kz, 62.50.+p, 76.80.+y
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