Ultrafine Cr-doped Al2O3 prepared by detonation synthesis

被引：7
|
作者：
Lyamkina, NE
Chiganova, GA
Slabko, VV
Vorotynov, AM
Taranova, MA
机构：
[1] Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
[2] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
来源：
INORGANIC MATERIALS | 2005年 / 41卷 / 08期
关键词：
Alumina; Particle Size; Al2O3; Inorganic Chemistry; Solid Solution;
D O I：
10.1007/s10789-005-0221-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Data are presented on the phase composition, particle size distribution, EPR, and luminescence of ultrafine chromium-doped alumina powders prepared by detonation synthesis. The largest particles in the powders are shown to consist mainly of a Cr2O3 solid solution in alpha-Al2O3. The luminescence spectrum of fine particles shows, in addition to lines characteristic of ruby, extra lines which are tentatively attributed to Cr3+ ions incorporated substitutionally into theta-Al2O3.
引用
收藏
页码：830 / 835
页数：6
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