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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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Title
Synthesis and structural, magnetic and electrical characterisation of the reduced oxoniobates Ba Nb8 O14, Eu Nb8 O14, Eux Nb O3 (x=0.7,1.0).
Authors
Zubkov, V.G.;Tyutyunnik, A.P.;Perelyaev, V.A.;Shveikin, G.P.;Koehler, J.;Kremer, R.K.;Simon, A.;Svensson, G.
Reference
IC&volume=226&fpage=24&details=yes target=icsd_help>Journal of Alloys Compd. (1995)
226
, 24-30
Link
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Compound
Eu1 Nb8 O14
- Europium niobium oxide (1/8/14)
[
AB4C4X14
] [
oP46
] [
i3 h2 g2 d c a
] [
]
Cell
9.2272(1), 10.2647(2), 5.9381(1), 90., 90., 90.
PBAM (55)
V=562.42
Remarks
R=0.037000 : X M =Nb :
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
Eu1
(2d)
2
Nb1
(8i)
4
Nb2
(4h)
2.5
Nb3
(4g)
2.5
O1
(4g)
-2
O2
(4h)
-2
O3
(2a)
-2
O4
(2c)
-2
O5
(8i)
-2
O6
(8i)
-2
0
0.5
0.5
0.38
1
0.12
0.92
0.73
0.34
1
0.12
0.16
0.5
0.05
1
0.11
0.66
0
0.57
1
0.24
0.81
0
0.5(
1
0.23
0.34
0.5
0.5(
1
0
0
0
0.5(
1
0
0.5
0
0.5(
1
0.23
0.58
0.25
0.5(
1
0.00
0.74
0.75
0.5(
1
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