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          Institute: MPI für Festkörperforschung     Collection: FKF Publikationen 2002     Display Documents



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ID: 7581.0, MPI für Festkörperforschung / FKF Publikationen 2002
Nuclear and magnetic structure of layered LiFe1-xCoxO2 (0≤x≤1) determined by high-resolution neutron diffraction
Authors:Douakha, N.; Holzapfel, M.; Chappel, E.; Chouteau, G.; Croguennec, L.; Ott, A.; Ouladdiaf, B.
Language:English
Date of Publication (YYYY-MM-DD):2002
Title of Journal:Journal of Solid State Chemistry
Volume:163
Issue / Number:2
Start Page:406
End Page:411
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Mixed lithium-transition metal oxides LiFe1-xCoxO2 (0 less than
or equal to x less than or equal to 1) have been studied by
powder neutron diffraction in the temperature range 1.5-100 K
and at room temperature. The low-temperature data analysis of
the high-flux neutron diffraction patterns reveals an
antiferromagnetic arrangement with a propagation vector k =
[00(1)/(2)]. The value obtained for the magnetic moment of Fe3+
ions at 1.5 K, mu(Fe3+) = 3.9 mu(B), is in good agreement with
the value deduced from magnetization data and is also
consistent with the high spin state of Fe3+ ion. The
crystallographic structure was determined by both X-ray and
high-resolution neutron diffraction measurements. (C) 2002
Elsevier Science.
Free Keywords:layered magnetic oxides; high-resolution neutron diffraction;
magnetic structure; materials for lithium batteries
External Publication Status:published
Document Type:Article
Communicated by:Michaela Asen-Palmer
Affiliations:MPI für Festkörperforschung
External Affiliations:; MEMSCAP, 50 Allee Dauphins, F-38330 St Ismier, France
; CNRS MPI FKF, Grenoble High Magnet Field Lab, F-38042 Grenoble, France
; LPG, Guelma 24000, Algeria
; Inst Natl Polytech Grenoble, LEPMI, Lab Electrochim & Physiochim Mat & Interfaces, F-38402 St Martin Dheres, France
; Univ Tubingen, Inst Anorgan Chem, D-72076 Tubingen, Germany
; ICMCB CNRS, F-33608 Pessac, France
; ENSCPB, F-33608 Pessac, France
Identifiers:ISI:000174002700008
ISSN:0022-4596
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