Volume 9, Issue 1 (8-2009)                   IJPR 2009, 9(1): 29-33 | Back to browse issues page

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Saeb F, Falahati S, Daadmehr V. The effect of Ni and Fe doping on YBCO powder prepared by sol gel method. IJPR. 2009; 9 (1) :29-33
URL: http://ijpr.iut.ac.ir/article-1-377-en.html

Abstract:   (14327 Views)

 We fabricated YBa2Cu3-xMxO7- d (M=Ni, Fe) bulk samples, with stochiometric amount 0≤x≤0.045 by sol-gel method. The phase analysis and microstructure of specimens were examined by XRD and SEM. The electrical resistivity was measured using standard four probe technique for 77-300K. Investigation of XRD spectrum by MAUD shows Ni and Fe ions substitute in Cu(2) and Cu(1) site, respectively. Transition temperature decreases in 93-87K for Ni-doped samples and 93-92K for Fe-doped series. It seems that the suppression of superconductivity has no direct correlation with the magnetism of ions itself .

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Type of Study: Research | Subject: General

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