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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=78103
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Title
The effect of thallium and oxygen stoichiometry on structure and Tc in Tl-2201 and Tl-2212.
Authors
Stroem, C.;Eriksson, S.-G.;Johansson, L.-G.;Simon, A.;Mattausch, H.-J.;Kremer, R.K.
Reference
IC&volume=109&fpage=321&details=yes target=icsd_help>Journal of Solid State Chemistry (1994)
109
, 321-332
Link
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Compound
Ba2 Cu1 O5.56 Tl1.996
- Thallium barium copper oxide (1.99/2/1/5.6)
[
A2B4C4X11
] [
oS42
] [
f d3 c a
] [
]
Cell
5.4847(2), 5.4420(2), 23.15979(70), 90., 90., 90.
ABMA (64)
V=691.27
Remarks
R=0.027300 : N D
Annealed in O2 at 573 K
Atom (site) Oxid.
x, y, z, B, Occupancy
Tl1
(8f)
3
Ba1
(8f)
2
Cu1
(4a)
1.14
O1
(8e)
-2
O2
(8f)
-2
O3
(8f)
-2
0
0
0.20
1.49
0.99
0
0.5
0.08
0.93
1
0
0
0
0.95
1
0.75
0.25
0.0(
0.63
1
0
0
0.11
0.91
1
0.06
0
0.29
2.4(
0.78
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