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Growth of R-123 Phase Single Crystal Whiskers | | Masanori Nagao
; Mitsunori Sato
; Yukitake Tachiki
; Kinya Miyagawa
; Masaki Tanaka
; Hiroshi Maeda
; Kyung Sung Yun
; Yoshihiko Takano
; Takeshi Hatano
; | | Date: |
17 Feb 2004 | | Journal: | Jpn. J. Appl. Phys. Vol. 43, No. 3A, 2004, pp. L324-L327 DOI: 10.1143/JJAP.43.L324 | | Subject: | Superconductivity | cond-mat.supr-con | | Abstract: | Single-crystal whiskers of R1Ba2Cu3Ox (R-123, R= La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu) phase have been successfully grown by the Te- and Ca-doping method. The whiskers were grown from precursor pellets at just below their partial melting (peritectic) temperatures. The nominal composition of the R-123 whiskers is R1+uBa2+vCawCu3Ox (u+v+w=0, w>0) with R and/or Ba sites being substituted by Ca. However, the amount of Te was less than the analytical limit. The critical temperatures of the R-123 whiskers were around 80 K, and among these whiskers those with larger R ionic radii such as Dy, Gd, Eu and Sm require post-annealing in an oxygen atmosphere. | | Source: | arXiv, cond-mat/0402435 | | Services: | Forum | Review | PDF | Favorites | |
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