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Non-stoichiometric magnetite and maghemite in the mature teeth of the chiton Acanthopleura hirtosa
Journal article   Peer reviewed

Non-stoichiometric magnetite and maghemite in the mature teeth of the chiton Acanthopleura hirtosa

T.G. St Pierre, L.A. Evans and J. Webb
Hyperfine Interactions, Vol.71(1-4), pp.1275-1278
1992
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Abstract

Mature radula pieces from the chiton Acanthopleura hirtosa were studied using Mössbauer spectroscopy. The magnetite present in the radulae was found to have a distribution of Verwey transition temperatures in the range 85-100K. It was deduced that the magnetite was non-stoichiometric with an average formula Fe 2.98O 3. About 10% of the Fe in the radulae was in the form of maghemite and about 19% was in the form of paramagnetic or superparamagnetic phases.

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Citation topics
2 Chemistry
2.165 Nanofibers, Scaffolds & Fabrication
2.165.1082 Calcium Carbonate Crystallization
Web Of Science research areas
Physics, Atomic, Molecular & Chemical
Physics, Condensed Matter
Physics, Nuclear
ESI research areas
Physics
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