Optical properties of (F2+)H and F-aggregate centers in NaCl:OH- crystals
Physical Review B, ISSN: 0163-1829, Vol: 44, Issue: 22, Page: 12189-12196
1991
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Article Description
Data are presented on the optical absorption and emission of F-aggregate centers in NaCl:OH-. In particular, we have studied the properties of the laser-active (F2+)H centers. The formation of the (F2+)H center is temperature dependent. One mechanism operates below and another above 50 K. The bleaching of the (F2+)H-center emission observed under intense Nd:YAG or He-Ne laser irradiation, due to reorientation of the emitting centers, is accompanied by a process at low temperatures that is predominant at temperatures below 20 K and involves the ionization of the X or F3 centers always present in the crystal. Thus the laser-active (F2+)H centers are destroyed by electron capture but are reformed by F-band light irradiation, which reverses the bleaching process. © 1991 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=4243284588&origin=inward; http://dx.doi.org/10.1103/physrevb.44.12189; http://www.ncbi.nlm.nih.gov/pubmed/9999375; https://link.aps.org/doi/10.1103/PhysRevB.44.12189; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevB.44.12189/fulltext; http://link.aps.org/article/10.1103/PhysRevB.44.12189
American Physical Society (APS)
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