Zobrazeno 1 - 9
of 9
pro vyhledávání: '"I. Gr. Deac"'
Publikováno v:
Modern Physics Letters B. 20:1191-1198
AC susceptibility measurements have been done to determine the intergranular properties for some 123-superconducting ceramics. From the imaginary part of the complex susceptibility, χ″(T), the temperature dependence of the critical current density
Publikováno v:
Modern Physics Letters B. 20:923-929
Ca -doped (x = 0.00, 0.07 and 0.20) epitaxial Y 1-x Ca x Ba 2 Cu 3 O 7-δ thin films were prepared on SrTiO 3 (100) by PLD technique. The superconducting transition temperature is found to decrease with increasing Ca content. The AC-susceptibility da
Autor:
Aurel Pop, Rares Stiufiuc, Tzuen-Rong Yang, Gheorghe Ilonca, I. Gr. Deac, C. Lung, G. Stiufiuc
Publikováno v:
International Journal of Inorganic Materials. 3:769-772
The effect of partial replacement of Ca by Y, Er and Lu on the structural transport properties of (Bi 1.6 Pb 0.4 )(Sr 1.8 Ba 0.2 )(Ca 1− x R x ) 2 Cu 3 O y superconductors ceramics (0≤ x ≤0.03) have been investigated. The substitution of Y, Lu
Publikováno v:
Modern Physics Letters B. 14:59-63
The effect of calcium substitution by gadolinium on the superconducting phases formation in BSCCO-type compounds is studied by X-ray diffraction and ac susceptibility measurements on the undoped and Gd-doped Bi1.8Pb0.2Sr2CaCu2Oz and Bi1.8Pb0.2Sr2Ca2C
Publikováno v:
Modern Physics Letters B. 13:905-910
The R 3 Co 11 B 4 compounds belong to the R n+1 Co 3n+5 B 2n intermetallic systems. The R 3 Co 11 B 4 borides crystallize in a hexagonal structure of Ce 3 Co 11 B 4 type having the space group P6/mmm. The composition dependencies of the lattice param
Publikováno v:
Modern Physics Letters B. 12:1175-1183
The electrical and magnetic properties of ( Y 1-x-y Zr x Ca y) Ba 2 Cu 3 O 7-δ ceramics are investigated by using resistivity, ac and dc susceptibility measurements. X-ray powder diffraction has been used to find the lattice parameters of the sample
Publikováno v:
Intermetallics and Superalloys, Volume 10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0da45c69502ef8eeed003d938233d7d8
https://doi.org/10.1002/3527607285.ch34
https://doi.org/10.1002/3527607285.ch34
Publikováno v:
Physica C: Superconductivity. :2359-2360
Measurements of the ac susceptibility, magnetoresistivity, Seebeck, Nernst, and Hall coefficients in Ni doped (Bi,Pb)2223 superconductors, in magnetic fields between 0 and 5 T, and in the temperature range 5–300 K, are reported. The critical temper
Publikováno v:
Physica C: Superconductivity. :1451-1452
The intergranular properties of (Bi 1.6 Pb 0.4 )(Sr 1.8 Ba 0.2 )(Ca 1- x Er x ) 2 Cu 3 O y ceramics, with x = 0.00; 0.002; 0.005; 0.010; 0.015; 0.020, were studied by using electrical resistivity and ac susceptibility measurements at zero dc magnetic