Résumé
Although most third-order nonlinear optical (NLO) materials are closed-shell singlet systems, this Letter theoretically shows that the third-order NLO properties are drastically enhanced in symmetric open-shell diradical systems with intermediate diradical character and further reveals that this enhancement is associated with the ferromagnetic and antiferromagnetic interactions. This new paradigm opens up a promising area for designing new third-order NLO materials.
langue originale | Anglais |
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Numéro d'article | 033001 |
journal | Physical review letters |
Volume | 99 |
Numéro de publication | 3 |
Les DOIs | |
Etat de la publication | Publié - 20 juil. 2007 |