Physical properties of the ferromagnetic heavy-fermion compound U Ir2 Zn20

E. D. Bauer; A. D. Christianson; J. S. Gardner; V. A. Sidorov; J. D. Thompson; J. L. Sarrao; M. F. Hundley

doi:10.1103/PhysRevB.74.155118

Physical properties of the ferromagnetic heavy-fermion compound U Ir2 Zn20

E. D. Bauer, A. D. Christianson, J. S. Gardner, V. A. Sidorov, J. D. Thompson, J. L. Sarrao, M. F. Hundley

Correlated Electron Materials

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Abstract

Measurements of magnetization, specific heat, neutron diffraction, and electrical resistivity at ambient and applied pressure have been carried out on the cubic compound U Ir2 Zn20. A first-order-like ferromagnetic transition occurs at TC =2.1 K with a saturation magnetization μsat ∼0.4 μB, indicating itinerant ferromagnetism. In this ordered state, the electronic specific heat coefficient remains large, γ∼450 mJmol K2, classifying U Ir2 Zn20 as one of the very few heavy-fermion ferromagnets.

Original language	English
Article number	155118
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	74
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.74.155118
State	Published - 2006

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10.1103/PhysRevB.74.155118

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title = "Physical properties of the ferromagnetic heavy-fermion compound U Ir2 Zn20",

abstract = "Measurements of magnetization, specific heat, neutron diffraction, and electrical resistivity at ambient and applied pressure have been carried out on the cubic compound U Ir2 Zn20. A first-order-like ferromagnetic transition occurs at TC =2.1 K with a saturation magnetization μsat ∼0.4 μB, indicating itinerant ferromagnetism. In this ordered state, the electronic specific heat coefficient remains large, γ∼450 mJmol K2, classifying U Ir2 Zn20 as one of the very few heavy-fermion ferromagnets.",

author = "Bauer, {E. D.} and Christianson, {A. D.} and Gardner, {J. S.} and Sidorov, {V. A.} and Thompson, {J. D.} and Sarrao, {J. L.} and Hundley, {M. F.}",

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doi = "10.1103/PhysRevB.74.155118",

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AU - Bauer, E. D.

AU - Christianson, A. D.

AU - Gardner, J. S.

AU - Sidorov, V. A.

AU - Thompson, J. D.

AU - Sarrao, J. L.

AU - Hundley, M. F.

PY - 2006

Y1 - 2006

N2 - Measurements of magnetization, specific heat, neutron diffraction, and electrical resistivity at ambient and applied pressure have been carried out on the cubic compound U Ir2 Zn20. A first-order-like ferromagnetic transition occurs at TC =2.1 K with a saturation magnetization μsat ∼0.4 μB, indicating itinerant ferromagnetism. In this ordered state, the electronic specific heat coefficient remains large, γ∼450 mJmol K2, classifying U Ir2 Zn20 as one of the very few heavy-fermion ferromagnets.

AB - Measurements of magnetization, specific heat, neutron diffraction, and electrical resistivity at ambient and applied pressure have been carried out on the cubic compound U Ir2 Zn20. A first-order-like ferromagnetic transition occurs at TC =2.1 K with a saturation magnetization μsat ∼0.4 μB, indicating itinerant ferromagnetism. In this ordered state, the electronic specific heat coefficient remains large, γ∼450 mJmol K2, classifying U Ir2 Zn20 as one of the very few heavy-fermion ferromagnets.

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IS - 15

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ER -

Physical properties of the ferromagnetic heavy-fermion compound U Ir2 Zn20

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