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research article
The versatile chemistry and non-centrosymmetric crystal structures of salt-inclusion vanadate hybrids
Three unique structure types of the vanadate-based mixed-metal oxide systems (salt)·MnII-Vv-O and (salt)·CuII-Vv-O are presented, with a focus on the role of the asym. vanadate units. Lattice parameters were obtained for (CsCl)2Mn(VO3)2, (CsBr)2Mn(VO3)2, (RbCl)2Mn(VO3)2, (CsCl)2Cu(VO3)2, (CsCl)Mn2(V2O7), (KCl)2Cu(VO3)2, (RbCl)2Cu(VO3)2 and (CsBr)2Cu(VO3)2. The two structure types found in the (AX)2M-(VO3)2 series differ in the propagation direction of the metavanadate chains which is thought to be due to the presence (or absence) of a Jahn-Teller distortion of the metal (d9 Cu2+ vs. d5 Mn2+) ion.
Type
research article
Authors
•
West, J. Palmer
•
Hwu, Shiou-Jyh
•
VanDerveer, Donald G.
•
Zarzyczny, Matthew C.
•
Pavlick, Ryan A.
Publication date
2008
Published in
Volume
47
Start page
3791
End page
3794
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 23, 2017
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