Journal of the Ceramic Society of Japan, Supplement
Online ISSN : 1349-2756
ISSN-L : 1349-2756
Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue
Session ID : 8
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Hot Spot in GdBa2Cu3O7-δ-BaZrO3 Composite Ceramics
Yoshifumi TSUTAITomoichiro OKAMOTOAkira KAWAMOTOMasasuke TAKATA
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Abstract
Composite ceramic rods of GdBa2Cu3O7-δ with BaZrO3 were prepared by solid-state reaction. A hot spot appeared in the rod when a certain voltage was applied at room temperature. The durability of the rod with hot spot was evaluated by measuring the stability of the current under Po2=100 kPa. The results show that composite ceramics of GdBa2Cu3O7-δ with BaZrO3 has a high electrical stability for applying a hot spot compared with GdBa2Cu3O7-δ ceramics.
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© 2004 The Ceramic Society of Japan
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