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ICSD for WWW : Details

ICSD for WWW

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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=41079 Help
TitlePhase transition orthorhombic <-> rutile in the oxyfluoride phases Ax Fex Ni1-x O4x F2(1-x) (A= Nb5+, Ta5+, and x>0.3). Influence on the magnetic properties.
AuthorsBayi, F.;Pourroy, G.;Poix, P.;Derory, A.
ReferenceJournal of Solid State Chemistry (1992) 100, 16-23
Link XRef SCOPUS Google
Also: Phase Transition (1992) 38, 127-220
Link XRef SCOPUS Google
CompoundFe1 O4 Ta1 - Iron(III) tantalum oxide [AX2] [tP6] [f a] [TiO2(tP6)]
Cell4.682(5), 4.682, 3.048(5), 90., 90., 90.
P42/MNM (136) V=66.82
RemarksPDF =43-798 : TYP =TiO2(tP6) : XDP
No R value given in the paper.
At least one temperature factor missing in the paper.
Stable up to 1023 K (2nd ref. , Tomaszewski), above Pbcn
O-position from 9517, rutile-type

Atom (site) Oxid. x, y, z, B, Occupancy
Fe1(2a)3
Ta1(2a)5
O1(4f)-2
00000.5
00000.5
0.295(3)0.295(3)001

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