发光
钒酸盐
锰酸盐
兴奋剂
红外线的
化学
材料科学
八面体
红外光谱学
无机化学
结晶学
晶体结构
光学
物理
光电子学
功率(物理)
有机化学
电池(电)
量子力学
作者
Markus Herren,Toni Riedener,Hans U. Güdel,C. Albrecht,U. Kaschuba,D. Reinen
标识
DOI:10.1016/0022-2313(92)90196-g
摘要
Abstract Manganese(V) is stabilized in various phosphate and vanadate lattices with apatite and spodiosite structure on quasi-tetrahedral sites. At all temperatures between 10 and 298 K the luminescence spectra consist of sharp lines in the near infrared, assigned to 1 E → 3 A 2 (T d ). The observed splitting Δ E between the two low-symmetry orbital components of the emitting state 1 E(T d ) is correlated with structural distortion data of the (PO 4 ) 3- and (VO 4 ) 3- tetrahedra in the host. Luminescence lifetimes of Mn 5+ in five different compounds vary between 300 and 700 μs at 10 K. At room-temperature lifetimes are reduced by factors of 1.4 to 11, depending on the host lattices.
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