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Effect of irradiation-induced disorder on the conductivity and critical temperature of the organic superconductor kappa-(BEDT-TTF)(2)Cu(SCN)(2)

Analytis, JG, Ardavan, A, Blundell, SJ, Owen, RL, Garman, EF, Jeynes, Christopher and Powell, BJ (2006) Effect of irradiation-induced disorder on the conductivity and critical temperature of the organic superconductor kappa-(BEDT-TTF)(2)Cu(SCN)(2) PHYSICAL REVIEW LETTERS, 96 (17), ARTN 1.

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Abstract

We have introduced defects into clean samples of the organic superconductor �-�BEDTTTF �2Cu�SCN�2 in order to determine their effect on the temperature dependence of the interlayer conductivity � and the critical temperature Tc. We find a violation of Matthiessen’s rule that can be explained by a model of � involving a defect-assisted interlayer channel which acts in parallel with the bandlike conductivity. We observe an unusual dependence of Tc on residual resistivity, inconsistent with the generalized Abrikosov-Gor’kov theory for an order parameter with a single component, providing an important constraint on models of the superconductivity in this material.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Ion Beam Centre
Authors :
NameEmailORCID
Analytis, JGUNSPECIFIEDUNSPECIFIED
Ardavan, AUNSPECIFIEDUNSPECIFIED
Blundell, SJUNSPECIFIEDUNSPECIFIED
Owen, RLUNSPECIFIEDUNSPECIFIED
Garman, EFUNSPECIFIEDUNSPECIFIED
Jeynes, Christopherc.jeynes@surrey.ac.ukUNSPECIFIED
Powell, BJUNSPECIFIEDUNSPECIFIED
Date : 5 May 2006
Identification Number : 10.1103/PhysRevLett.96.177002
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, PHYSICS, MULTIDISCIPLINARY, IMPURITIES, DAMAGE, MODEL
Related URLs :
Depositing User : Mr Adam Field
Date Deposited : 27 May 2010 14:08
Last Modified : 31 Oct 2017 13:57
URI: http://epubs.surrey.ac.uk/id/eprint/339

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