[en] The Mössbauer spectrum of Li11Nd18Fe4O39-δ (Chen et al, Inorg. Chem. 2012, 51, 8073) has been reinterpreted. The refined spectral parameters are similar to those observed for Nd18Li8Fe5O12 (Dutton et al, Inorg. Chem. 2008 47, 11212). The relative areas of the three components indicate that iron cations occupy the 2a, 8e, and 16i sites in disagreement with the iron occupancies of the 2a and 8e sites determined from neutron diffraction by Chen et al. The relationship between Li11Nd18Fe4O39-δ and Nd18Li8Fe5O12 is discussed and it seems quite possible that the sample prepared by Dutton et al is a kinetic product whereas the sample prepared by Chen et al. is the thermodynamically preferred product.
Disciplines :
Chemistry
Author, co-author :
Battle, Peter; Oxford University > Inorganic Chemistry Laboratory
Dutton, Sean; Cambridge University > Chemistry
Grandjean, Fernande ; Université de Liège - ULiège > Département de physique > Département de physique
Long, Gary J; Missouri University of Science and Technology > Chemistry
Language :
English
Title :
Li11Nd18Fe4O39-δ Revisited
Publication date :
February 2013
Journal title :
Inorganic Chemistry
ISSN :
0020-1669
eISSN :
1520-510X
Publisher :
American Chemical Society, Washington, United States - District of Columbia
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Bibliography
Frampton, P. P. C.; Battle, P. D.; Ritter, C. Inorg. Chem. 2005, 44, 7138
Battle, P. D.; Dutton, S. E.; Thammajak, N.; Grandjean, F.; Sougrati, M. T.; Long, G. J.; Oh-ishi, K.; Nakanishi, S. Inorg. Chem. 2010, 49, 5912
Battle, P. D.; Dutton, S. E.; van Daesdonk, P. A. J. Solid State Chem. 2010, 183, 1620
Battle, P. D.; Dutton, S. E.; Grandjean, F.; Long, G. J.; Thammajak, N.; Wisetsuwannaphum, S. J. Solid State Chem. 2011, 184, 2580
Dutton, S. E.; Battle, P. D.; Grandjean, F.; Long, G. J.; Oh-ishi, K. Inorg. Chem. 2008, 47, 11212
Dutton, S. E.; Battle, P. D.; Grandjean, F.; Long, G. J.; van Daesdonk, P. A. Inorg. Chem. 2009, 48, 1613
Dutton, S. E.; Battle, P. D.; Grandjean, F.; Long, G. J.; Sougrati, M. T.; van Daesdonk, P. A.; Winstone, E. J. Solid State Chem. 2009, 182, 1638
Chen, Y.; Reeves-McLaren, N.; Bingham, P. A.; Forder, S. D.; West, A. R. Inorg. Chem. 2012, 51, 8073
Cox, D. E.; Shirane, G.; Flinn, P. A.; Ruby, S. L.; Takei, W. J. Phys. Rev. 1963, 132, 1547
Eibschutz, M.; Shtrikman, S.; Treves, D. Phys. Rev. 1967, 156, 562
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