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|Type:||Artigo de periódico|
|Title:||Thermo-mechanical And Optical Properties Of Calcium Aluminosilicate Glasses Doped With Er3+ And Yb3+|
|Abstract:||In this work a series of Er2O3 and Yb2O3 doped and Er2O3-Yb2O3 co-doped low silica calcium aluminosilicate glasses have been melted at 1470°C under vacuum conditions. Measurements of optical absorption coefficient, mass density, refractive index, Vickers micro-hardness, glass transformation temperature (Tg) and crystallization temperature (Tx) have been carried out. The results showed that these glasses dissolved ∼1.5 mol% Er2O3 and ∼1.1 mol% Yb2O3 in their structure without devitrification and also that only small changes (∼10%) have been measured in their thermal, mechanical and optical properties. © 2000 Elsevier Science B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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