de Haas--van Alphen oscillations in the charge density wave compound lanthanum tritelluride ${\text{LaTe}}_{3}$

de Haas–van Alphen oscillations in the charge density wave compound lanthanum tritelluride ${LaTe}_{3}$

N. Ru, R. A. Borzi, A. Rost, A. P. Mackenzie, J. Laverock, S. B. Dugdale, and I. R. Fisher

Phys. Rev. B 78, 045123 – Published 30 July 2008

Abstract

de Haas–van Alphen oscillations were measured in lanthanum tritelluride $({LaTe}_{3})$ to probe the partially gapped Fermi surface (FS) resulting from charge density wave (CDW) formation. Three distinct frequencies were observed, one of which can be correlated with a FS sheet that is unaltered by CDW formation. The other two frequencies arise from FS sheets that have been reconstructed in the CDW state. All three pockets are quasi-two-dimensional, consistent with expectations from band-structure calculations. Analysis of the field dependence of the oscillations is used to provide an estimate of the geometry of the reconstructed FS sections.

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Received 1 May 2008

DOI:https://doi.org/10.1103/PhysRevB.78.045123

Authors & Affiliations

N. Ru¹, R. A. Borzi^2,*, A. Rost², A. P. Mackenzie², J. Laverock³, S. B. Dugdale³, and I. R. Fisher¹

¹Geballe Laboratory for Advanced Materials and Department of Applied Physics, Stanford University, Stanford, California 94305, USA
²School of Physics and Astronomy, University of St. Andrews, St. Andrews KY16 9SS, United Kingdom
³H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, United Kingdom

^*Present address: INIFTA UNLP-CONICET, c.c. 16, Suc. 4, 1900 La Plata, Argentina and Departamento de Fisica, IFLP, UNLP, c.c. 67, 1900 La Plata, Argentina.

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Vol. 78, Iss. 4 — 15 July 2008

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Physical Review B

covering condensed matter and materials physics

de Haas–van Alphen oscillations in the charge density wave compound lanthanum tritelluride ${LaTe}_{3}$

N. Ru, R. A. Borzi, A. Rost, A. P. Mackenzie, J. Laverock, S. B. Dugdale, and I. R. Fisher

Phys. Rev. B 78, 045123 – Published 30 July 2008

Abstract

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Physical Review B

covering condensed matter and materials physics

de Haas–van Alphen oscillations in the charge density wave compound lanthanum tritelluride LaTe3

N. Ru, R. A. Borzi, A. Rost, A. P. Mackenzie, J. Laverock, S. B. Dugdale, and I. R. Fisher

Phys. Rev. B 78, 045123 – Published 30 July 2008

Abstract

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de Haas–van Alphen oscillations in the charge density wave compound lanthanum tritelluride ${LaTe}_{3}$