Pressure-induced antiferromagnetism in UPt | Zendy

K. Prokeš | Zendy; N.V. Mushnikov | Zendy; T. Goto | Zendy; T. Tahara | Zendy; Mizuki Ito | Zendy; T. Goko | Zendy; F. Nakamura | Zendy; T. Fujita | Zendy; Fuminori Honda | Zendy; Gendo Oomi | Zendy

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Pressure-induced antiferromagnetism in UPt

Author(s) -

K. Prokeš,

N.V. Mushnikov,

T. Goto,

T. Tahara,

Mizuki Ito,

T. Goko,

F. Nakamura,

T. Fujita,

Fuminori Honda,

Gendo Oomi

Publication year - 2000

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.62.11527

Subject(s) - antiferromagnetism , condensed matter physics , ferromagnetism , electrical resistivity and conductivity , paramagnetism , materials science , ambient pressure , phase transition , physics , thermodynamics , quantum mechanics

UPt orders ferromagnetically at ambient pressure at 28 K. Upon increasing pressure, an additional magnetic phase transition appears around 17 K. While the upper transition behaves with field as a typical paramagneticferromagnetic transition, the lower one exhibits antiferromagnetic behavior. With pressure both transitions shift towards lower temperatures. Around 1.5 GPa the upper magnetic transition completely disappears and only the lower persists up to ;4 GPa. The electrical resistivity measured up to 8.0 GPa shows that structural transformation occurs in UPt under pressure.

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