Point contact spectroscopy measurements of &#945;t-(BEDT-TTF)2I3 : an alternative interpretation

Weger, Meir; Nowack, Andreas; Schweitzer, Dieter

Point contact spectroscopy measurements of αt-(BEDT-TTF)2I3 : an alternative interpretation

dc.contributor.author	Weger, Meir	de
dc.contributor.author	Nowack, Andreas	de
dc.contributor.author	Schweitzer, Dieter	de
dc.date.accessioned	2011-08-12	de
dc.date.accessioned	2016-03-31T08:36:23Z
dc.date.available	2011-08-12	de
dc.date.available	2016-03-31T08:36:23Z
dc.date.issued	1992	de
dc.description.abstract	We report on point contact measurements on the organic superconductor αt-(BEDT-TTF)2I3 (Tc~8K). The dV/dI vs V characteristics of homocontacts of this material show strong nonlinearities which, interpreted as a gap-structure, lead to extremly high values of Δ/κTc. Among other possibilities, we discuss the anomaly in terms of a strongly enhanced McMillan-Rowell structure Δ(ε) at ε = Δ BCS + α ph. The enhancement is caused by deviations from Eliashberg equations due to strong coupling (λ = 1-2) together with an Einstein phonon spectrum.	en
dc.identifier.other	353934461	de
dc.identifier.uri	http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-65600	de
dc.identifier.uri	http://elib.uni-stuttgart.de/handle/11682/5060
dc.identifier.uri	http://dx.doi.org/10.18419/opus-5043
dc.language.iso	en	de
dc.rights	info:eu-repo/semantics/openAccess	de
dc.subject.classification	Tetrathiafulvalen , Organischer Supraleiter , Metall	de
dc.subject.ddc	530	de
dc.title	Point contact spectroscopy measurements of αt-(BEDT-TTF)2I3 : an alternative interpretation	en
dc.type	article	de
ubs.fakultaet	Fakultät Mathematik und Physik	de
ubs.fakultaet	Fakultätsübergreifend / Sonstige Einrichtung	de
ubs.institut	3. Physikalisches Institut	de
ubs.institut	Sonstige Einrichtung	de
ubs.opusid	6560	de
ubs.publikation.source	Fizika nizkich temperatur 18 (1992), S. 580-584	de
ubs.publikation.typ	Zeitschriftenartikel	de