| Issue |
Europhys. Lett.
Volume 57, Number 2, January 2002
|
|
|---|---|---|
| Page(s) | 233 - 239 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00566-9 | |
| Published online | 01 September 2002 | |
Temperature-dependent Fermi surface in CeBiPt
1
Physikalisches Institut, Universität Karlsruhe -
D-76128 Karlsruhe, Germany
2
Institut für Mathematische Physik,
TU Braunschweig D-38106 Braunschweig, Germany
3
Department of Quantum Matter, ADSM, Hiroshima University
Higashi-Hiroshima 739-8526, Japan
4
Grenoble High Magnetic Field Laboratory, MPI-Festkörperforschung
and CNRS -
F-38042 Grenoble, France
Received:
25
July
2001
Accepted:
23
October
2001
Shubnikov-de Haas (SdH) and Hall-effect measurements of CeBiPt and
LaBiPt reveal the presence of very small Fermi surfaces with hole-like
charge carriers for both semimetals. Reasonable agreement with
band structure calculations is achieved when taking spin-orbit
coupling into account and assuming localized Ce 4f electrons.
For CeBiPt, we observe a strong temperature dependence of the
SdH frequency, i.e., an increase from 
at 10 K to
at 0.4 K, indicating a possible hybridization of the
f electrons.
PACS: 71.20.Eh – Rare earth metals and alloys / 71.18.+y – Fermi surface: calculations and measurements; effective mass, g factor / 71.15.Rf – Relativistic effects
© EDP Sciences, 2002
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