Raman scattering study of UBe13

S. L. Cooper; R. T. Demers; M. V. Klein; Z. Fisk; J. L. Smith

doi:10.1016/0378-4363(85)90432-2

Raman scattering study of UBe₁₃

S. L. Cooper, R. T. Demers, M. V. Klein, Z. Fisk, J. L. Smith

Research output: Contribution to journal › Article › peer-review

Abstract

Raman scattering experiments on single-crystal UBe₁₃ have been performed at temperatures 2≤T≤300 K. We observe Raman-active optical phonos consistent, in number and symmetry, with those allowed by the space and site group symmetries previously determined for UBe₁₃ (space group O⁶_hFm3c). Certain phonon modes are seen to have strongly anomalous behaviour with decreasing temperature. We have, in addition, observed inelastic scattering from magnetic excitations, which we identify as spin fluctuations. The temperature dependence of these excitations is discussed.

Original language	English (US)
Pages (from-to)	49-52
Number of pages	4
Journal	Physica B+C
Volume	135
Issue number	1-3
DOIs	https://doi.org/10.1016/0378-4363(85)90432-2
State	Published - Dec 2 1985

ASJC Scopus subject areas

Engineering(all)

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title = "Raman scattering study of UBe13",

abstract = "Raman scattering experiments on single-crystal UBe13 have been performed at temperatures 2≤T≤300 K. We observe Raman-active optical phonos consistent, in number and symmetry, with those allowed by the space and site group symmetries previously determined for UBe13 (space group O6hFm3c). Certain phonon modes are seen to have strongly anomalous behaviour with decreasing temperature. We have, in addition, observed inelastic scattering from magnetic excitations, which we identify as spin fluctuations. The temperature dependence of these excitations is discussed.",

author = "Cooper, {S. L.} and Demers, {R. T.} and Klein, {M. V.} and Z. Fisk and Smith, {J. L.}",

year = "1985",

month = dec,

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AU - Cooper, S. L.

AU - Demers, R. T.

AU - Klein, M. V.

AU - Fisk, Z.

AU - Smith, J. L.

PY - 1985/12/2

Y1 - 1985/12/2

N2 - Raman scattering experiments on single-crystal UBe13 have been performed at temperatures 2≤T≤300 K. We observe Raman-active optical phonos consistent, in number and symmetry, with those allowed by the space and site group symmetries previously determined for UBe13 (space group O6hFm3c). Certain phonon modes are seen to have strongly anomalous behaviour with decreasing temperature. We have, in addition, observed inelastic scattering from magnetic excitations, which we identify as spin fluctuations. The temperature dependence of these excitations is discussed.

AB - Raman scattering experiments on single-crystal UBe13 have been performed at temperatures 2≤T≤300 K. We observe Raman-active optical phonos consistent, in number and symmetry, with those allowed by the space and site group symmetries previously determined for UBe13 (space group O6hFm3c). Certain phonon modes are seen to have strongly anomalous behaviour with decreasing temperature. We have, in addition, observed inelastic scattering from magnetic excitations, which we identify as spin fluctuations. The temperature dependence of these excitations is discussed.

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