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February 21, 2026JJAP Conference Proceedings0 citationsOpen Access

Magnetic field effects on fluorescence from monoclinic rubrene crystals

TNTakuya NakamuraTYTomoaki YagoMWMasanobu Wakasa

Key Points

  • This research aims to investigate how magnetic fields affect fluorescence in monoclinic rubrene crystals.
  • Applied magnetic fields up to 10 T during fluorescence measurement
  • Observed changes in fluorescence intensity at specific magnetic fields
  • Analyzed structures of exchange-coupled triplet pairs based on dip positions.
  • Dips in fluorescence intensity were observed at specific magnetic fields
  • Indicated generation of exchange-coupled triplet pairs due to singlet fission
  • Discussed the structural implications of distinct triplet pairs.

Abstract

Magnetic field dependence of fluorescence from monoclinic rubrene crystals was observed under the magnetic fields up to 10 T. At several magnetic fields, dips, which are a decrease of the fluorescence intensity at a specific magnetic field, were observed, indicating that exchange-coupled triplet pairs are generated by singlet fission. The structures of the two distinct exchange-coupled triplet pairs are discussed with dip positions.

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Cite This Study

Nakamura et al. (2026) studied this question.

synapsesocial.com/papers/69994a7f873532290d01ee87https://doi.org/10.56646/jjapcp.12.0_011012
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