Smith, D. D. and Mead, R. D. and Zewail, A. H. (1977) Anderson's localization of molecular excitons in substitutionally disordered systems. Chemical Physics Letters, 50 (3). pp. 358-363. ISSN 0009-2614. doi:10.1016/0009-2614(77)80343-6. https://resolver.caltech.edu/CaltechAUTHORS:20160927-112618366
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Abstract
We present clear evidence for the presence of Anderson's localization in molecular solids. Diagonal and off-diagonal disorder is introduced and controlled by substitutionally disordering the lattice at different temperatures. Optical and optically-detected magnetic resonance spectroscopy have been used to directly obtain the resonance interactions, the inhomogeneous site-energy fluctuations, and the threshold for Anderson's transition. The results on the two-dimensional lattice when compared with quasi-one-dimensional systems indicate that cross chain interactions and phonon-assisted processes are important in determining the nature of extended states in disordered systems.
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| Additional Information: | © 1977 Elsevier B.V. Received 27 May 1977. Is made to the donors of the Petroleum Research Fund, administered by ACS, for partial support of this research. This work was also supported in part by the Research Corporation. We would like to thank J. Jortner for very enlightening discussions and for providing us with his theoretical paper (before publication) which triggered many new experiments. One of us (DDS) would like to thank IBM for the research fellowship offered during this work. | |||||||||
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| Issue or Number: | 3 | |||||||||
| DOI: | 10.1016/0009-2614(77)80343-6 | |||||||||
| Record Number: | CaltechAUTHORS:20160927-112618366 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160927-112618366 | |||||||||
| Official Citation: | D.D. Smith, R.D. Mead, A.H. Zewail, Anderson's localization of molecular excitons in substitutionally disordered systems, Chemical Physics Letters, Volume 50, Issue 3, 15 September 1977, Pages 358-363, ISSN 0009-2614, http://dx.doi.org/10.1016/0009-2614(77)80343-6. (http://www.sciencedirect.com/science/article/pii/0009261477803436) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 70606 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 28 Sep 2016 23:03 | |||||||||
| Last Modified: | 11 Nov 2021 04:32 |
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