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High-frequency magnetic oscillations of the organic metal θ-(ET)4ZnBr4(C6H4Cl2) in pulsed magnetic field of up to 81 T

Published online by Cambridge University Press:  01 October 2012

J. Béard
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
J. Billette
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
M. Suleiman
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
P. Frings
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
W. Knafo
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
G.W. Scheerer
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
F. Duc
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
D. Vignolles
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
M. Nardone
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
A. Zitouni
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
P. Delescluse
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
J.-M. Lagarrigue
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
F. Giquel
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
B. Griffe
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
N. Bruyant
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
J.-P. Nicolin
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
G.L.J.A. Rikken
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
R.B. Lyubovskii
Affiliation:
Institute of Problems of Chemical Physics, RAS, 142432 Chernogolovka, MD, Russia
G.V. Shilov
Affiliation:
Institute of Problems of Chemical Physics, RAS, 142432 Chernogolovka, MD, Russia
E.I. Zhilyaeva
Affiliation:
Institute of Problems of Chemical Physics, RAS, 142432 Chernogolovka, MD, Russia
R.N. Lyubovskaya
Affiliation:
Institute of Problems of Chemical Physics, RAS, 142432 Chernogolovka, MD, Russia
A. Audouard*
Affiliation:
Laboratoire National des Champs Magnéetiques Intenses (UPR 3228 CNRS, INSA, UJF, UPS), 143 avenue de Rangueil, F-31400 Toulouse, France
*
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Abstract

De Haas-van Alphen oscillations of the organic metal θ-(ET)4ZnBr4(C6H4Cl2) are studied in pulsed magnetic fields up to 81 T. The long decay time of the pulse allows determining reliable field-dependent amplitudes of Fourier components with frequencies up to several kiloteslas. The Fourier spectrum is in agreement with the model of a linear chain of coupled orbits. In this model, all the observed frequencies are linear combinations of the frequency linked to the basic orbit α and to the magnetic-breakdown orbit β.

Type
Research Article
Copyright
© EDP Sciences, 2012

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