Point contact spectroscopy measurements on αt-(BEDT-TTF)2I3

M. Weger; A. Nowack; D. Schweitzer

doi:10.1016/0379-6779(91)91974-F

Point contact spectroscopy measurements on α_t-(BEDT-TTF)₂I₃

M. Weger^*, A. Nowack, D. Schweitzer

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We report point-contact spectroscopy I-V data on superconducting α_t-(BEDT-TTF)₂I₃. The I-V curves show structure in 3 regions: For energies of order 0.25 meV, of about 4.5 meV and for energies of about 10 meV. No structure is observed near the BCS gap (1.3-1.4 meV). We attribute the structure at 4.5 meV to interaction with the phonon possessing this frequency which was observed independently by Raman spectroscopy, and the structure near 0.25 meV to an excitation energy considerably smaller than the BCS gap.

Original language	English
Pages (from-to)	1885-1891
Number of pages	7
Journal	Synthetic Metals
Volume	42
Issue number	1-2
DOIs	https://doi.org/10.1016/0379-6779(91)91974-F
State	Published - 15 May 1991

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title = "Point contact spectroscopy measurements on αt-(BEDT-TTF)2I3",

abstract = "We report point-contact spectroscopy I-V data on superconducting αt-(BEDT-TTF)2I3. The I-V curves show structure in 3 regions: For energies of order 0.25 meV, of about 4.5 meV and for energies of about 10 meV. No structure is observed near the BCS gap (1.3-1.4 meV). We attribute the structure at 4.5 meV to interaction with the phonon possessing this frequency which was observed independently by Raman spectroscopy, and the structure near 0.25 meV to an excitation energy considerably smaller than the BCS gap.",

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year = "1991",

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doi = "10.1016/0379-6779(91)91974-F",

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AU - Nowack, A.

AU - Schweitzer, D.

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Y1 - 1991/5/15

N2 - We report point-contact spectroscopy I-V data on superconducting αt-(BEDT-TTF)2I3. The I-V curves show structure in 3 regions: For energies of order 0.25 meV, of about 4.5 meV and for energies of about 10 meV. No structure is observed near the BCS gap (1.3-1.4 meV). We attribute the structure at 4.5 meV to interaction with the phonon possessing this frequency which was observed independently by Raman spectroscopy, and the structure near 0.25 meV to an excitation energy considerably smaller than the BCS gap.

AB - We report point-contact spectroscopy I-V data on superconducting αt-(BEDT-TTF)2I3. The I-V curves show structure in 3 regions: For energies of order 0.25 meV, of about 4.5 meV and for energies of about 10 meV. No structure is observed near the BCS gap (1.3-1.4 meV). We attribute the structure at 4.5 meV to interaction with the phonon possessing this frequency which was observed independently by Raman spectroscopy, and the structure near 0.25 meV to an excitation energy considerably smaller than the BCS gap.

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Point contact spectroscopy measurements on α_t-(BEDT-TTF)₂I₃

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