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Impact of precursor source on the structural and superconducting properties of (Hg,Cr)Sr2CuO4+delta

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Title Impact of precursor source on the structural and superconducting properties of (Hg,Cr)Sr2CuO4+delta
 
Creator BALAMURUGAN, S
SELVAM, P
 
Subject hg0.7cr0.3sr2cuo4+delta
hg1-xcrxsr2cuo4+delta
hgba2cuo4+delta
behavior
(hg
mo
mercury-cuprates
(hg,cr)/sr-1201
superconductivity
precursor source
 
Description We have investigated the structural/phase and superconducting properties of (Hg,Cr)/Sr-1201 [(Hg,Cr)Sr2CuO4+delta] samples prepared by two different precursor routes. It was observed that the quality of the (Hg,Cr)/Sr-1201 samples depends strongly on the precursor quality and the nature of starting materials. The (Hg,Cr)/Sr-1201 samples were synthesized in partial vacuum at 1153 K for 12 h, and characterized by power XRD, FT-IR, X-ac-T and dc-magnetization. A good quality (Hg,Cr)/Sr-1201 sample with higher superconducting transition temperature (T-c(onset)- 60 K) was obtained for the sample prepared from nitrate source as compared to that obtained from the sample prepared from the carbonate source (T-c(onset) similar to 56 K).
 
Publisher WORLD SCIENTIFIC PUBL CO PTE LTD
 
Date 2011-09-02T00:55:09Z
2011-12-26T12:59:52Z
2011-12-27T05:52:55Z
2011-09-02T00:55:09Z
2011-12-26T12:59:52Z
2011-12-27T05:52:55Z
2004
 
Type Article
 
Identifier MODERN PHYSICS LETTERS B, 18(30), 1517-1524
0217-9849
http://dx.doi.org/10.1142/S0217984904007888
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12918
http://hdl.handle.net/10054/12918
 
Language en