Nesting properties and anisotropy of the Fermi surface of LuNi$_{2}$B$_{2}$C

S. B. Dugdale; M. A. Alam; I. Wilkinson; R. J. Hughes; I. R. Fisher; P. C. Canfield; G. Santi; T. Jarlborg

doi:10.1103/physrevlett.83.4824

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Nesting properties and anisotropy of the Fermi surface of LuNi$_{2}$B$_{2}$C

S. B. Dugdale·M. A. Alam·I. Wilkinson·R. J. Hughes·I. R. Fisher·P. C. Canfield·G. Santi·T. Jarlborg

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Abstract

The rare earth nickel borocarbides, with the generic formula $R$Ni$_{2}$B$_{2}$C, have recently been shown to display a rich variety of phenomena. Most striking has been the competition between, and even coexistence of, antiferromagnetism and superconductivity. We have measured the Fermi surface (FS) of LuNi$_{2}$B$_{2}$C, and shown that it possesses nesting features capable of explaining some of the phenomena experimentally observed. In particular, it had previously been conjectured that a particular sheet of FS is responsible for the modulated magnetic structures manifest in some of the series. We report the first direct experimental observation of this sheet.

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S. B. Dugdale, M. A. Alam, I. Wilkinson, R. J. Hughes, I. R. Fisher, P. C. Canfield, G. Santi, T. Jarlborg. 1999-07-13. Nesting properties and anisotropy of the Fermi surface of LuNi$_{2}$B$_{2}$C. https://doi.org/10.1103/physrevlett.83.4824

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