Competition between superconductivity and weak localization in metal-mixed ion-implanted polymers

Stephenson, Andrew P., Micolich, Adam P., Divakar, Ujjual, Meredith, Paul and Powell, Ben J. (2010) Competition between superconductivity and weak localization in metal-mixed ion-implanted polymers. Physical Review B, 81 14: 1-7. doi:10.1103/PhysRevB.81.144520

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Author Stephenson, Andrew P.
Micolich, Adam P.
Divakar, Ujjual
Meredith, Paul
Powell, Ben J.
Title Competition between superconductivity and weak localization in metal-mixed ion-implanted polymers
Journal name Physical Review B   Check publisher's open access policy
ISSN 1098-0121
1550-235X
Publication date 2010-04-29
Sub-type Article (original research)
DOI 10.1103/PhysRevB.81.144520
Open Access Status File (Publisher version)
Volume 81
Issue 14
Start page 1
End page 7
Total pages 7
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Collection year 2011
Language eng
Abstract We study the effects of varying the preimplant film thickness and implant temperature on the electrical and superconducting properties of metal-mixed ion-implanted polymers. We show that it is possible to drive a superconductor-insulator transition in these materials via control of the fabrication parameters. We observe peaks in the magnetoresistance and demonstrate that these are caused by the interplay between superconductivity and weak localization in these films, which occurs due to their granular structure. We compare these magnetoresistance peaks with those seen in unimplanted films and other organic superconductors and show that they are distinctly different. ©2010 The American Physical Society
Keyword Insulator-transition
2-dimensional films
Magnetoresistance
Conductivity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2011 Collection
 
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Created: Sun, 16 May 2010, 00:01:58 EST