Influence of YAB:Cr3+ nanocrystallite sizes on two-photon absortion of YAB:Cr3+

被引：70
作者：
Majchrowski, A
Kityk, IV
Ebothé, J
机构：
[1] Czestochowa Tech Univ, Dept Biol & Biophys, Czestochowa, Poland
[2] Mil Tech Acad, Inst Appl Phys, PL-00908 Warsaw, Poland
[3] Univ Reims, UFR Sci, Lab Microscopies & Etud Nanostruct, F-51685 Reims 02, France
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2004年 / 241卷 / 13期
关键词：
D O I：
10.1002/pssb.200402071
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
An influence of nanocrystalline sizes of YAB:Cr particles incorporated within olygoetheracrylate polymer matrix on the two-photon absorption was investigated. Maximal values of the two-photon absorption diagonal tensor component was observed at low temperatures (about 4.2 K) and corresponded to concentration of the YAB: Cr NC about the 3% by weight and about 22 nm in sizes. The Cr3+ ions inside investigated NC play the crucial role in the observed nonlinear optical phenomena. The observed temperature dependence is explained within a model of anharmonic electron-phonon contribution in the nanocrystallites.
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收藏
页码：3047 / 3055
页数：9
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