Structure of tetragonal superconducting
YBa2Cu2.862O6.62 single crystals with Tc
K
Topnikov V. N. , Simonov V. I. , Muradyan L. A. , Molchanov V. N. , Zvarykina A. V. , Laukhin V. N. , Rozenberg L. P., Shibaeva R. P. , Yagubskii E. B.
The first data have been obtained on the crystal structure and superconductivity of single crystals of the tetragonal phase in the (1:2:3) Y-Ba-Cu-O system: a= 3.869(1),<: = 11.723(1) A, space group P4/mmm, ГС~50К.