Balakrishnan, R. ; Varadaraju, U. V. ; Subba Rao, G. V. (1989) Superconductivity studies on (Ln1-xLux)Ba2Cu3O7,Ln=La,Sm Modern Physics Letters B, 3 (8). pp. 653-659. ISSN 0217-9849
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Official URL: http://www.worldscinet.com/mplb/03/0308/S021798498...
Related URL: http://dx.doi.org/10.1142/S0217984989001035
Abstract
In the system Sm1-xLuxBa2Cu3O7, single phase orthorhombic perovskite is formed for x≤0.5 above which a multiphase material is obtained with the predominant 123 phase. All the phases except when x=1.0, exhibit superconductivity with Tc,zero in the range 87-90 K. Pure LaBa2Cu3O7 is tetragonal and shows a Tc,zero of 73 K. Orthorhombic distortion and a Tc,zero of 79 K can be induced for x=0.1 in La1-xLuxBa2Cu3O7. In the latter system, single phase materials are obtained for x≤0.5. However, all phases exhibit superconductivity with Tc, zero=90±2 K for 0.2≤x≤0.8.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to World Scientific Publishing Company. |
| ID Code: | 51970 |
| Deposited On: | 02 Aug 2011 08:13 |
| Last Modified: | 02 Aug 2011 08:13 |
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