Ultrafast and slow Mn2+ luminescence in lithium tetraborate

M. I. Danilkin,N. Yu. Vereschagina,Yu. G. Vainer,M. V. Kochiev, S. A. Ambrozevich, I. Romet,H. Mandar,A. N. Morozov,Yu. A. Repeev,D. A. Spassky,A. V. Shutov,L. V. Seleznev,D. V. Mokrousova,A. S. Selyukov

Journal of Alloys and Compounds（2021）

引用 6|浏览17

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摘要

•Sensitized Mn2+ luminescence is studied in lithium tetraborate.•Existence of complex luminescence centres is proposed.•Slow or ultrafast Mn2+ luminescence decays occur depending on the excitation energy.•Mechanisms for excitation transfer and luminescence decay acceleration are proposed.

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关键词

Ultrafast luminescence,Li2B4O7:Sn/Mn,Li2B4O7:Cu/Mn,Li2B4O7:Mn,Impurity-bound exciton

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