Document Detail


Pressure-induced enhancement of the superconducting properties of single-crystalline FeTe(0.5)Se(0.5).
MedLine Citation:
PMID:  22653146     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The pressure dependence, up to 11.3 kbar, of basic parameters of the superconducting state, such as the critical temperature (T(c)), the lower and the upper critical fields, the coherence length, the penetration depth, and their anisotropy, was determined from magnetic measurements performed for two single-crystalline samples of FeTe(0.5)Se(0.5). We have found pressure-induced enhancement of all of the superconducting state properties, which entails a growth of the density of superconducting carriers. However, we noticed a more pronounced increase in the superconducting carrier density under pressure than that in the critical temperature which may indicate an appearance of a mechanism limiting the increase of T(c) with pressure. We have observed that the critical current density increases under pressure by at least one order of magnitude.
Authors:
J Pietosa; D J Gawryluk; R Puzniak; A Wisniewski; J Fink-Finowicki; M Kozlowski; M Berkowski
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-31
Journal Detail:
Title:  Journal of physics. Condensed matter : an Institute of Physics journal     Volume:  24     ISSN:  1361-648X     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-6-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101165248     Medline TA:  J Phys Condens Matter     Country:  -    
Other Details:
Languages:  ENG     Pagination:  265701     Citation Subset:  -    
Affiliation:
Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02-668 Warsaw, Poland.
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