Effects of SnO on growth and physical properties of BSCCO whiskers
Küçük Resim Yok
Tarih
2012
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Superconductor whiskers doped with SnO have been fabricated by annealing a melt quenched (Bi2Sn1)-223 precursor using suitable heat treatment cycles. Approximately 5 ?m thick, 90 ?m wide and 5 mm long whiskers were fabricated, and their physical, electrical and magnetic properties were investigated. Crystallisation activation energies of glass phase fabricated were calculated to be 390 kJ mol-1 using Kissinger method based on the differential thermal analysis data. The Tc value of the whiskers was found to be 94 K from M-T measurement. The magnetisation of whiskers before superconducting transition increased with decreasing temperature, and after superconducting transition, the magnetisation of whiskers decreased, from positive to negative, due to the diamagnetic nature of superconductivity. The change on magnetisation dependence of applied magnetic fields (M-H) showed that whiskers have paramagnetic-diamagnetic multiphase structure. © 2010 Institute of Materials, Minerals and Mining.
Açıklama
Anahtar Kelimeler
Bi-2212, BSCCO whiskers, High temperature superconductors, Superconducting materials growth, Superconductivity
Kaynak
Energy Materials: Materials Science and Engineering for Energy Systems
WoS Q Değeri
Scopus Q Değeri
N/A
Cilt
5
Sayı
3
