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de Haas-van Alphen effect and the Fermi surface of PrNi5 |
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| Authors: | K. Krug K. Winzer M. Reiffers J. Kunes P. Novák F. Kayzel |
| Affiliation: | I. Physikalisches Institut der Universit?t G?ttingen, Bunsenstrasse 9, 37073 G?ttingen, Germany, DE Institute of Experimental Physics, Watsonova 47, 04353, Kosice, Slovakia, SK Institute of Physics, Academy of Sciences of the Czech Republic, Cukrovarnická 10, 162 53 Praha 6, Czech Republic, CZ Van der Waals - Zeeman Institute, University of Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam, The Netherlands, NL |
| Abstract: | The Fermi surface of PrNi5 has been studied by the measurements of the de Haas-van Alphen (dHvA) effect at temperatures between 0.3 and in magnetic fields up to 12 T. Two dHvA frequencies have been obtained. The electronic structure of PrNi5 was calculated using the full potential linearized augmented plane wave method. Five sheets of the Fermi surface and the multiple extremal cross sections were determined. First and second sheet have a hole-like structure. The agreement between theory and experiment is obtained by a small downward shift ( 0.1 eV) of the Fermi energy which is probably due to an underestimation of the role of 4 f electrons. Received 9 May 2000 and Received in final form 20 September 2000 |
| Keywords: | PACS. 71.18.+y Fermi surface: calculations and measurements effective mass, g factor - 71.20.Lp Intermetallic compounds |
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