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Investigations of quantum oscillations in θ- and θ(T)-(BEDT-TTF)2I3

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Balthes,  E.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Strempfer,  J.
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;

/persons/resource/persons280292

Maude,  D. K.
High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Nothardt, A., Balthes, E., Schmidt, W., Salameh, B., Schweitzer, D., Strempfer, J., et al. (2006). Investigations of quantum oscillations in θ- and θ(T)-(BEDT-TTF)2I3. Journal of Low Temperature Physics, 142(3-4), 539-542.


Cite as: https://hdl.handle.net/21.11116/0000-000E-FC3A-6
Abstract
Quantum oscillation experiments were performed on
Theta-(BEDT-TTF)(2)I-3 crystals. In the neat crystals used here,
quantum oscillations for the a-orbit (F-alpha=780T) are already
observed at a field of 2T and the magnetic breakdown for the beta-orbit
(F-beta=4200T) occurs at 3T The warping of the Fermi-surface of the
alpha-orbit and the beta-orbit could be determined to be Delta F
alpha=6.5T and Delta F-beta =16T, respectively. Superconductivity at
3.6K was observed in about 30% of the crystals. After tempering at 700
C all crystals show bulk superconductivity at 4K. The structure of this
new Theta(T)-(BEDTTTF)(2)I-3 phase could be solved.