GROWTH, MORPHOLOGY AND SUPERCONDUCTING PROPERTIES OF TMBA2CU3O7-X SINGLE-CRYSTALSстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Nearly twin-free TmBa2Cu3O7-x single crystals of high crystalline perfection were grown from nonstoichiometric melts in the system Tm2O3-BaO(BaO2)-CuO(Cu2O) in air atmosphere. The superconducting transition temperatures and widths depend on crystallization conditions and are T-c = 89-91 K and Delta T-c = 0.2 K for the best samples. Morphology of the crystals and growth mechanisms of different faces were studied and are discussed.