Optical absorption spectra of sodium borate cobalt doped glasses

被引：0
|
作者：
Elokr, M. M. [1 ]
Yaseen, A. M. [2 ]
Elokr, R. [3 ]
Hassan, M. A. [1 ]
机构：
[1] Al Azhar Univ, Dept Phys, Fac Sci, Cairo, Egypt
[2] Ain Shams Univ, Fac Educ, Dept Phys, Cairo, Egypt
[3] Natl Ctr Radiat Technol, Cairo, Egypt
来源：
MTPR-06: MODERN TRENDS IN PHYSICS RESEARCH | 2007年 / 888卷
关键词：
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Glassy system: xNa(2)O-(100-x-y)B2O3-YCO3O4 has been prepared by conventional melt quenching technique. Optical absorption spectra have been obtained in the range 300 - 2500 rim at room temperature. An absorption edge was observed in the near LTV range, the analysis of which reveals that indirect transition is the dominant absorption mechanism. All prepared samples exhibit blue color, indicating that the Co ions are acted upon by tetrahedral ligand field. Obtained spectra were used to estimate some ligand field parameters.
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页码：132 / +
页数：2
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