"DE - Spolkov\u00E1 republika N\u011Bmecko" . . "Smr\u010Dkov\u00E1, Olga" . . "\u010C\u00E1ste\u010Dn\u00E1 substituce v\u00E1pn\u00EDku v supravodi\u010Di Bi-Sr-Ca-Cu-O"@cs . "Chemical substitutions may change structural and physical parameters in HTS. Substituents influence forma-tion of Bi-2223 phase, pinning centers, intergrain connection and change hole carrier concentration. Bulk sam-ples with partial substitution of calcium in Bi3.2Pb0.8Sr4Ca5-xMxCu7Oy by 5 B elements (M = V, Nb, Ta), x = 0 - 0.8 were prepared by solid state reaction in air. Resistivity and magnetic susceptibility measurements evalu-ated superconducting properties. Phase composition was checked by X-ray diffraction." . . "9" . "Partial substitution of calcium in Bi-Sr-Ca-Cu-O superconductor" . . . "[4154DBCE9113]" . . "RIV/60461373:22310/06:00016964" . "4"^^ . "3"^^ . "Chemick\u00E1 substituce m\u016F\u017Ee zm\u011Bnit strukturn\u00ED a fyzick\u00E9 vlastnosti vysokoteplotn\u00EDch supravodi\u010D\u016F. Substituenty mohou ovlivnit vznik f\u00E1ze Bi-2223, pinningov\u00E1 centra, mezizrnn\u00E9 spoje a zm\u011Bnit koncentraci d\u011Brov\u00FDch nosi\u010D\u016F n\u00E1boje. Objemov\u00E9 vzorky slo\u017Een\u00ED Bi3.2Pb0.8Sr4Ca5-xMxCu7Oy s \u010D\u00E1ste\u010Dnou substituc\u00ED v\u00E1pn\u00EDku prvky 5. skupiny (M=V, Nb, Ta) byly p\u0159ipraveny reakc\u00ED v pevn\u00E9 f\u00E1zi. Supravodiv\u00E9 vlastnosti byly stanoveny m\u011B\u0159en\u00EDm odporu a magnetick\u00E9 susceptibility a f\u00E1zov\u00E9 slo\u017Een\u00ED bylo ur\u010Deno pomoc\u00ED XRD."@cs . "3065-3068" . . . "491554" . "RIV/60461373:22310/06:00016964!RIV07-MSM-22310___" . . "Physica Status Solidi (c)" . "Partial substitution of calcium in Bi-Sr-Ca-Cu-O superconductor" . "22310" . "2"^^ . . "Partial substitution of calcium in Bi-Sr-Ca-Cu-O superconductor"@en . . "Superconductors; doping; electrical properties"@en . "P(GA203/05/0114), Z(MSM6046137302)" . "\u010C\u00E1ste\u010Dn\u00E1 substituce v\u00E1pn\u00EDku v supravodi\u010Di Bi-Sr-Ca-Cu-O"@cs . . "3" . "S\u00FDkorov\u00E1, Dagmar" . . "1610-1634" . . "Partial substitution of calcium in Bi-Sr-Ca-Cu-O superconductor"@en . . "Michna, Eduard" . "Chemical substitutions may change structural and physical parameters in HTS. Substituents influence forma-tion of Bi-2223 phase, pinning centers, intergrain connection and change hole carrier concentration. Bulk sam-ples with partial substitution of calcium in Bi3.2Pb0.8Sr4Ca5-xMxCu7Oy by 5 B elements (M = V, Nb, Ta), x = 0 - 0.8 were prepared by solid state reaction in air. Resistivity and magnetic susceptibility measurements evalu-ated superconducting properties. Phase composition was checked by X-ray diffraction."@en . . . .