Evidence for an extended critical region near the metamagnetic transition of UCoAl

A. V. Kolomiets; L. Havela; V. Sechovský; L. E. DeLong; D. B. Watkins; A. V. Andreev

doi:10.1063/1.367776

Evidence for an extended critical region near the metamagnetic transition of UCoAl

A. V. Kolomiets, L. Havela, V. Sechovský, L. E. DeLong, D. B. Watkins, A. V. Andreev

Physics And Astronomy

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15 Scopus citations

Abstract

Electrical resistivity and ac magnetic susceptibility studies of the 5f-metatnagnet UCoAl reveal the presence of strong spin fluctuation effects for temperatures below 30 K and magnetic fields below the critical metamagnetic field μ₀H_c≈1 T, where a non-Fermi liquid term ∼T^3/2 is prominent in the electrical resistivity. A step-wise increase of the residual resistivity and an increasingly prominent Fermi liquid T² term of the resistivity is observed as the field is increased though the metamagnetic transition.

Original language	English
Pages (from-to)	6435-6437
Number of pages	3
Journal	Journal of Applied Physics
Volume	83
Issue number	11
DOIs	https://doi.org/10.1063/1.367776
State	Published - 1998

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Evidence for an extended critical region near the metamagnetic transition of UCoAl",

abstract = "Electrical resistivity and ac magnetic susceptibility studies of the 5f-metatnagnet UCoAl reveal the presence of strong spin fluctuation effects for temperatures below 30 K and magnetic fields below the critical metamagnetic field μ0Hc≈1 T, where a non-Fermi liquid term ∼T3/2 is prominent in the electrical resistivity. A step-wise increase of the residual resistivity and an increasingly prominent Fermi liquid T2 term of the resistivity is observed as the field is increased though the metamagnetic transition.",

author = "Kolomiets, {A. V.} and L. Havela and V. Sechovsk{\'y} and DeLong, {L. E.} and Watkins, {D. B.} and Andreev, {A. V.}",

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language = "English",

volume = "83",

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T1 - Evidence for an extended critical region near the metamagnetic transition of UCoAl

AU - Kolomiets, A. V.

AU - Havela, L.

AU - Sechovský, V.

AU - DeLong, L. E.

AU - Watkins, D. B.

AU - Andreev, A. V.

PY - 1998

Y1 - 1998

N2 - Electrical resistivity and ac magnetic susceptibility studies of the 5f-metatnagnet UCoAl reveal the presence of strong spin fluctuation effects for temperatures below 30 K and magnetic fields below the critical metamagnetic field μ0Hc≈1 T, where a non-Fermi liquid term ∼T3/2 is prominent in the electrical resistivity. A step-wise increase of the residual resistivity and an increasingly prominent Fermi liquid T2 term of the resistivity is observed as the field is increased though the metamagnetic transition.

AB - Electrical resistivity and ac magnetic susceptibility studies of the 5f-metatnagnet UCoAl reveal the presence of strong spin fluctuation effects for temperatures below 30 K and magnetic fields below the critical metamagnetic field μ0Hc≈1 T, where a non-Fermi liquid term ∼T3/2 is prominent in the electrical resistivity. A step-wise increase of the residual resistivity and an increasingly prominent Fermi liquid T2 term of the resistivity is observed as the field is increased though the metamagnetic transition.

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 11

ER -

Evidence for an extended critical region near the metamagnetic transition of UCoAl

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