Superconducting Glass-Ceramic Rods in BiCaSrCu sub 2 O sub x Prepared by Crystallization Under a Temperature Gradient

Superconducting Glass-Ceramic Rods in BiCaSrCu sub 2 O sub x Prepared by Crystallization Under a Temperature Gradient

Superconducting BiCaSrCu sub 2 O sub x glass rods and coils were successfully prepared by pumping up the melt at 1150 deg C into SiO sub 2 or Pyrex glass tubes. After the outer glass tubes were removed, the resultant glass rods up to 30 cm long were crystallized under a temperature gradient of 30 de...

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Veröffentlicht in:Applied physics letters 1988-10, Vol.53 (14), p.1341-1342
Hauptverfasser: Abe, Y, Hosono, H, Hosoe, M, Iwase, J, Kubo, Y
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Sprache:eng
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Zusammenfassung:Superconducting BiCaSrCu sub 2 O sub x glass rods and coils were successfully prepared by pumping up the melt at 1150 deg C into SiO sub 2 or Pyrex glass tubes. After the outer glass tubes were removed, the resultant glass rods up to 30 cm long were crystallized under a temperature gradient of 30 deg C/mm without deforming and cracking. The T sub c (onset) and T sub c (zero) of the resulting glass-ceramic rods were approx 80 and 62K, respectively. 7 ref.--AA
ISSN:0003-6951