Mattson, Stephanie M. and Rossman, George R. (1988) Fe^(2+)-Ti^(4+) charge transfer in stoichiometric Fe^(2+),Ti^(4+) -minerals. Physics and Chemistry of Minerals, 16 (1). pp. 78-82. ISSN 0342-1791. doi:10.1007/BF00201333. https://resolver.caltech.edu/CaltechAUTHORS:20140306-095711079
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Abstract
Optical absorption spectra are presented for taramellite, traskite and neptunite, all of which have both Fe^(2+) and Ti^(4+) as major elements. The spectra of each of these minerals are dominated by a single, intense absorption band in the 415 to 460 nm region with 7000 to 9000 cm^(−1) half width. These transitions, assigned to Fe^(2+)-Ti^(4+) intervalence charge transfer, showed little difference in intensity at 80 and 300 K and have molar absorptivities which range from ∼100 to ∼1300 M^(−1) cm^(−1). The Fe^(2+)-Ti^(4+) absorptions in these standards generally compare well to other mineral spectra in which Fe^(2+) — Ti^(4+) intervalence absorption has previously been proposed with the exception of the most cited example, blue corundum.
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| Additional Information: | © 1988 Springer-Verlag. Received June 26, 1987. This work was funded in part by NSF grant EAR 82-12540. | |||||||||
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| Issue or Number: | 1 | |||||||||
| DOI: | 10.1007/BF00201333 | |||||||||
| Record Number: | CaltechAUTHORS:20140306-095711079 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140306-095711079 | |||||||||
| Official Citation: | Fe2+-Ti4+ charge transfer in stoichiometric Fe2+,Ti4+-minerals Stephanie M. Mattson, George R. Rossman Pages 78-82 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 44171 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 06 Mar 2014 18:11 | |||||||||
| Last Modified: | 10 Nov 2021 16:48 |
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