Journal
SURFACE REVIEW AND LETTERS
Volume 19, Issue 6, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218625X12500631
Keywords
Aluminoborosilicate; MgO; dielectric properties
Categories
Funding
- Natural Science Foundation of Shandong Province [ZR2012EMM019]
- Natural Science Youth Foundation of Shandong Province [ZR2011EMQ005]
- National Natural Science Foundation [51172093, 51042009]
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The effect of MgO on structure and dielectric properties of aluminoborosilicate glasses was investigated. FTIR data indicated that glass network was mainly built by tetrahedral [SiO4], [BO4], [AlO4] and trigonal [BO3]. A small amount of AlO5 or AlO6 units also existed. The glass system was characterized with lower dielectric constant (4.17 similar to 4.6) and dielectric loss (12.3 x 10(-4) similar to 14.77 x 10(-4)) at 1 MHz. With the increase of MgO content, the quantity of AlO5 or AlO6 units decreased. The variation of density showed a decreasing tendency. The dielectric constant and loss were all found to decrease.
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