Growth and superconducting properties of TmBa{sub 2}Cu{sub 3}O{sub 7-x} Crystals
Journal Article
·
· Crystallography Reports
OSTI ID:412035
- Moscow State Univ., Moscow (Russian Federation)
- Institut fuer Technische Physik, Karlsruhe (Germany); and others
Perfect and almost single-domain TmBa{sub 2}Cu{sub 3}O{sub 7 - x} crystals were grown from melts of the Tm{sub 2}O{sub 3}-BaO(BaO{sub 2})-CuO(Cu{sub 2}O) system. The temperature and width of the transition to the superconducting state depends on the growth conditions. The best samples are grown at T{sub c}=89-91 K and {Delta}T{sub c}=0.2K, respectively. The T{sub c} values in the crystal bulk and in the vicinity of twin boundaries can differ by 1-2K. Crystal morphology and growth mechanisms for various faces are discussed. 17 refs., 6 figs., 4 tabs.
- OSTI ID:
- 412035
- Journal Information:
- Crystallography Reports, Journal Name: Crystallography Reports Journal Issue: 1 Vol. 40; ISSN CYSTE3
- Country of Publication:
- United States
- Language:
- English
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