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Effects of Magnetic Fields on the Mutual Annihilation of Triplet Excitons in Molecular Crystals
Abstract
The intensity of triplet-exciton annihilation luminescence in anthracene crystals at room temperature increases in weak magnetic fields up to a maximum increase of 5% at 350 Oe. For stronger fields the intensity decreases, finally leveling off at 80% of the zero-field value for $H\ensuremath{\gtrsim}5$ kOe. Sharp dips are found in the high-field intensity for field orientations at which a particular kind of level crossing occurs for pairs of triplet excitons. These effects result solely from field-induced changes in the rate constant for triplet-triplet annihilation.
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Citations
Cited by
Exciton diffusion in organic semiconductors
Mikhnenko, O. V., Blom, P. W. M., & Nguyen, T.-Q. (2015) · Energy & Environmental Science · doi:10.1039/c5ee00925a · Cited by 997
Kinematics of Exciton-Exciton Annihilation in Molecular Crystals
Suna, A. (1970) · Physical Review B · doi:10.1103/physrevb.1.1716 · Cited by 406
Metadata
- Authors
- Johnson, R. C., Merrifield, R. E., Avakian, P., & Flippen, R. B.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1967-08-07
- Volume
- 19
- Issue
- 6
- Pages
- 285-287
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1975813002
- Cited by
- 209
- References
- 0
- FWCI
- 20.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Effects of Magnetic Fields on the Mutual Annihilation of Triplet Excitons in Molecular Crystals. https://app.cochat.ai/papers/10.1103/physrevlett.19.285
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- Johnson, R. C., Merrifield, R. E., Avakian, P., & Flippen, R. B. (1967). Effects of Magnetic Fields on the Mutual Annihilation of Triplet Excitons in Molecular Crystals. Physical Review Letters. https://doi.org/10.1103/physrevlett.19.285
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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