Ba0.72 Ca1.84 Cu3 O9 Sr1.28 Tl1.16
Martin C, Maignan A, Huve M, Labbe P, Ledesert M, Leligny H, Raveau B
Physica C 217 (1993) 106-112
A Sr-rich 1223 cuprate, Tl1+xBa2/3Sr4/3Ca2-xCu3O9 with a Tc of 110 K.
A single-crystal study.
_cod_database_code 1001576
_database_code_amcsd 0015060
3.8274 3.8274 15.524 90 90 90 P4/mmm
atom     x  y     z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Tl1  .0872  0     0 .25   .046   .024   .081      0      0      0
Cu1      0  0    .5      .0067  .0067   .009      0      0      0
Cu2      0  0 .2902      .0078  .0078   .011      0      0      0
Ba1     .5 .5 .1690 .36  .0070  .0070  .0097      0      0      0
Sr1     .5 .5 .1690 .64  .0070  .0070  .0097      0      0      0
Ca1     .5 .5 .3931 .92  .0065  .0065   .010      0      0      0
Tl2     .5 .5 .3931 .08  .0065  .0065   .010      0      0      0
O1      .5  0    .5       .004   .026   .021      0      0      0
O2      .5  0 .2964       .006   .009   .020      0      0      0
O3       0  0  .131       .021   .021   .012      0      0      0
O4      .5 .5     0       .030   .030   .004      0      0      0