Superconductivity of Bi1.6 Pb0.4 Sr2 Ca3 Cu4 O12
Atilla Coskun, Ahmet Ekicibil, Bekir Özccelik
Department of Physics, Faculty of Sciences and Letters, Cukurova
University 01330 Balcali, Adana, Turkey
Superconductivity of Bi1.6 Pb0.4 Sr2 Ca3 Cu4 O12
Atilla Coskun;Ahmet Ekicibil;Bekir Özccelik
Department of Physics, Faculty of Sciences and Letters, Cukurova
University 01330 Balcali, Adana, Turkey
关键词 ：
74.70.Ad ,
74.62.Bf
Abstract ： The superconducting ceramics Bi1.6 Pb0.4 Sr2 Ca3 Cu4 O12 have been prepared by melt-casting method. A zero resistance temperature at 60 K has been observed. It has been found that the superconducting phase temperature Tc increases with increasing sintering temperature. The effect of Pb content on the superconductivity of the ceramic has been studied. The microstructure of the sample has been investigated by scanning electron microscopy. Phase analysis has been carried out by x-ray diffraction patterns and energy dispersive analysis through x-ray spectroscopy.
Key words ：
74.70.Ad
74.62.Bf
出版日期: 2002-12-01
:
74.70.Ad
(Metals; alloys and binary compounds)
74.62.Bf
(Effects of material synthesis, crystal structure, and chemical composition)
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