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de Haasvan Alphen measurements of the electronic structure of LaSb2 R. G. Goodrich,1
 

Summary: de Haas­van Alphen measurements of the electronic structure of LaSb2
R. G. Goodrich,1
D. Browne,1
R. Kurtz,1
D. P. Young,1
J. F. DiTusa,1
P. W. Adams,1
and D. Hall2,
*
1
Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70809, USA
2
National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306, USA
Received 1 December 2003; revised manuscript received 8 January 2004; published 24 March 2004
We report the results of de Haas­van Alphen measurements in high magnetic fields on the anisotropic
compound LaSb2 . Our measurements reveal three extremal orbits of the Fermi surface. One is very small and
ellipsoidal, while the remaining two are larger and have a nearly cylindrical shape indicating a quasi-two-
dimensional Fermi surface. We compare these measurements with the results of energy band calculations and
find reasonable agreement with the measured Fermi surface areas, though the calculations show other multi-
connected regions of the Fermi surface not observed in the de Haas­van Alphen spectra. The implications of

  

Source: Adams, Philip W. - Department of Physics and Astronomy, Louisiana State University

 

Collections: Materials Science