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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=73291
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Title
A systematic neutron diffraction study of RBa2Cu3O7 (R=yttrium and rare earths) high-Tc superconductors.
Authors
Guillaume, M.;Allenspach, P.;Mesot, J.;Roessli, B.;Staub, U.;Fischer, P.;Furrer, A.
Reference
Zeitschrift fuer Physik, B (1993)
90
, 13-17
Link
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Compound
Ba2 Cu3 Er1 O7.02
- Erbium barium copper oxide (1/2/3/7.02)
[
AB2C3X7
] [
oP13
] [
t s r q2 h e b a
] [
]
Cell
3.814(1), 3.879(1), 11.629(1), 90., 90., 90.
PMMM (47)
V=172.05
Remarks
R=0.014000 : N T =10 : D
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.
Atom (site) Oxid.
x, y, z, B, Occupancy
Er1
(1h)
3
Ba1
(2t)
2
Cu1
(1a)
2.347
Cu2
(2q)
2.347
O1
(2q)
-2
O2
(2s)
-2
O3
(2r)
-2
O4
(1e)
-2
O5
(1b)
-2
0.5
0.5
0.5
0.1(
1
0.5
0.5
0.18
0.1(
1
0
0
0
0.3(
1
0
0
0.35
0.3(
1
0
0
0.16
0.5(
1
0.5
0
0.37
0.6(
1
0
0.5
0.37
0.6(
1
0
0.5
0
1.6(
0.96
0.5
0
0
1.6(
0.06
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