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Titolo:
Magneto-quantum oscillations in kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br
Autore:
Weiss, H; Kartsovnik, MV; Biberacher, W; Balthes, E; Jansen, AGM; Kushch, ND;
Indirizzi:
Max Planck Inst Festkorperforsch, Grenoble High Magnet Field Lab, F-38042 Grenoble 9, France Max Planck Inst Festkorperforsch Grenoble France 9 42 Grenoble 9, France CNRS, F-38042 Grenoble, France CNRS Grenoble France F-38042CNRS, F-38042 Grenoble, France Walther Meissner Inst Tieftemp Forsch, D-85748 Garching, Germany Walther Meissner Inst Tieftemp Forsch Garching Germany D-85748 , Germany Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia Russian Acad Sci Chernogolovka Russia 142432 hernogolovka 142432, Russia Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Russia Russian Acad Sci Chernogolovka Russia 142432 hernogolovka 142432, Russia
Titolo Testata:
SYNTHETIC METALS
fascicolo: 1-3, volume: 120, anno: 2001,
pagine: 837 - 838
SICI:
0379-6779(20010315)120:1-3<837:MOIK>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRESSURE ORGANIC SUPERCONDUCTOR;
Keywords:
organic conductors based on radical cation and/or anion salts; organic superconductors; magnetic measurements; magnetotransport;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Weiss, H Max Planck Inst Festkorperforsch, Grenoble High Magnet Field Lab,BP 166, F-38042 Grenoble 9, France Max Planck Inst Festkorperforsch BP 166Grenoble France 9 France
Citazione:
H. Weiss et al., "Magneto-quantum oscillations in kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br", SYNTH METAL, 120(1-3), 2001, pp. 837-838

Abstract

ne Haas-van Alphen and Shubnikov-de Haas oscillations have been studied inthe quasi-two-dimensional organic superconductor kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br at different magnetic field orientations with respect to the conducting layers. At ambient pressure, the oscillation frequency spectrum reflects the Fermi surface topology predicted by band structure calculations. Estimates of the spin g-factors indicate discrepancies either in the g valuesor in the conformity to the Lifshitz-Kosevich formalism of charge carrierson different parts of the Fermi surface. In contrast to the standard theory, simultaneous de Haas-van Alphen and Shubnikov-de Haas experiments reveala heating behavior of the magnetic breakdown oscillations in the de Haas-van Alphen but not in the Shubnikov-de Haas signal within the studied field range.

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Documento generato il 24/09/20 alle ore 21:16:52