Mixed-Alkali Effect in Li2O–Na2O–K2O–B2O3 Glasses: Infrared and Optical Absorption Studies

2013 ◽  
Vol 42 (8) ◽  
pp. 2516-2524 ◽  
Author(s):  
M.A. Samee ◽  
A. Edukondalu ◽  
Shaik Kareem Ahmmad ◽  
Sair Md. Taqiullah ◽  
Syed Rahman
Keyword(s):  
Optical Absorption ◽  
Mixed Alkali ◽  
Absorption Studies ◽  
Mixed Alkali Effect

Mixed alkali effect in Cu2+ doped boroarsenate glasses—EPR and optical absorption studies

2009 ◽  
Vol 404 (12-13) ◽  
pp. 1785-1789 ◽  
Author(s):  
N. Srinivasa Rao ◽  
Shashidhar Bale ◽  
M. Purnima ◽  
Ch. Srinivasu ◽  
M.A. Samee ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Mixed Alkali ◽  
Absorption Studies ◽  
Mixed Alkali Effect

scholarly journals OPTICAL PROPERTIES ON Li2O-K2O-WO3-B2O3 GLASS SYSTEM

2013 ◽  
Vol 22 ◽  
pp. 278-283
Author(s):  
A. EDUKONDALU ◽  
M. A. SAMEE ◽  
SHAIKH KAREEM AHMMAD ◽  
SAIR MD. TAQIULLAH ◽  
SYED RAHMAN ◽  
...  
Keyword(s):  
Glass Structure ◽  
Glass System ◽  
Alkali Concentration ◽  
X Ray Diffraction ◽  
Scanning Calorimetry ◽  
Mixed Alkali ◽  
Absorption Studies ◽  
Mixed Alkali Effect ◽  
Oxide Ion ◽  
B2o3 Glass

Mixed alkali tungsten borate glasses xLi2O–(30–x) K2O–10WO3–60B2O3 (0 < x < 30) were prepared from the melts. These glasses were characterized using X-ray diffraction, differential scanning calorimetry and density measurements. Optical absorption studies were carried out as a function of alkali content to look for mixed alkali effect (MAE) on the spectral properties of these glasses. From the study of ultraviolet absorption edge, the optical band gap energies and Urbach energies were evaluated. The average electronic polarizability of the oxide ion, optical basicity and the interaction parameters were also evaluated for all the glasses. Many of these parameters vary non-linearly exhibiting a minima or maxima with increasing alkali concentration, indicating the mixed alkali effect. An attempt is made to interpret MAE in this glass system in terms of its glass structure.

Mixed alkali effect in Li2O–Na2O–B2O3 glasses containing Fe2O3—An EPR and optical absorption study

2006 ◽  
Vol 41 (9) ◽  
pp. 1646-1656 ◽  
Author(s):  
R.P. Sreekanth Chakradhar ◽  
B. Yasoda ◽  
J. Lakshmana Rao ◽  
N.O. Gopal
Keyword(s):  
Optical Absorption ◽  
Absorption Study ◽  
Optical Absorption Study ◽  
Mixed Alkali ◽  
Mixed Alkali Effect

Optical absorption of nickel(II) and and mixed-alkali effect in K2O-Li2O-B2O3 glasses

1983 ◽  
Vol 2 (11) ◽  
pp. 697-700 ◽  
Author(s):  
Amit Sarkar ◽  
Ashok Dasgupta ◽  
Bharati Basu ◽  
A. Paul
Keyword(s):  
Optical Absorption ◽  
Mixed Alkali ◽  
Mixed Alkali Effect

Elastic properties and optical absorption studies of mixed alkali borogermanate glasses

2018 ◽  
Author(s):  
S. M. Taqiullah ◽  
Shaik Kareem Ahmmad ◽  
M. A. Samee ◽  
Syed Rahman
Keyword(s):  
Optical Absorption ◽  
Elastic Properties ◽  
Mixed Alkali ◽  
Absorption Studies
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