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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=91991
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Title
Substitution for Ba by Pr, La, and Eu in Eu (Ba1-x Rx)2 Cu3 O7+d solid solutions.
Authors
Xu, Y.-W.;Kramer, M.J.;Dennis, K.W.;Wu, H.;O'Connor, A.;McCallum, R.W.;Malik, S.K.;Yelon, W.B.
Reference
Physica C (2000)
333
, 195-206
Link
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Compound
Ba1.8 Cu3 Eu1 O6.94 Pr0.2
- Europium barium praseodymium copper oxide (1/1.8/0.2/3/6.94)
[
AB2C3X7
] [
oP13
] [
t s r q2 h e b a
] [
]
Cell
3.8569(4), 3.8900(6), 11.669(2), 90., 90., 90.
PMMM (47)
V=175.07
Remarks
N R D
No R value given in the paper.
Atom (site) Oxid.
x, y, z, B, Occupancy
Eu1
(1h)
3
Ba1
(2t)
2
Pr1
(2t)
3
Cu1
(1a)
2.227
Cu2
(2q)
2.227
O1
(1e)
-2
O2
(2s)
-2
O3
(2r)
-2
O4
(2q)
-2
O5
(1b)
-2
0.5
0.5
0.5
1.1(
1
0.5
0.5
0.18
1.2(
0.9
0.5
0.5
0.18
1.2(
0.1
0
0
0
1.77
1
0
0
0.35
0.78
1
0
0.5
0
2.7(
0.71
0.5
0
0.37
1.07
1
0
0.5
0.37
1.07
1
0
0
0.15
2.57
1
0.5
0
0
2.7(
0.23
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