Document Detail

Very large purely intralayer critical current density in ultrathin cuprate artificial structures.
MedLine Citation:
PMID:  12366006     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Ultrathin artificial high temperature superconducting structures, consisting of (Ba(0.9)Nd0.1)CuO2+x and CaCuO2 layers, were grown by pulsed laser deposition. Intralayer superconductivity at 60 K was obtained for a structure consisting of a single (CaCuO2) block sandwiched between two (Ba(0.9)Nd0.1)CuO2+x charge reservoir blocks. The purely intralayer critical current density was measured at 4.2 K and resulted to be larger than 10(8) A/cm(2). These findings clearly show that interaction between nearest neighbor (CaCuO2) layers is not essential for high T(c) superconductivity and strongly supports the physical model based on the idea that intralayer interaction alone is responsible for high temperature superconductivity.
G Balestrino; P G Medaglia; P Orgiani; A Tebano; C Aruta; S Lavanga; A A Varlamov
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Publication Detail:
Type:  Journal Article     Date:  2002-09-23
Journal Detail:
Title:  Physical review letters     Volume:  89     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2002 Oct 
Date Detail:
Created Date:  2002-10-07     Completed Date:  2002-11-05     Revised Date:  2003-11-03    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  156402     Citation Subset:  -    
INFM-COHERENTIA and Dipartimento di Ingegneria Meccanica, Università di Roma Tor Vergata, Via del Politecnico 1, Italy.
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