Journal
THIN SOLID FILMS
Volume 518, Issue 24, Pages E46-E49Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2010.03.128
Keywords
Bismuth phosphate glass; Glass structure; Physical properties; Chemical properties
Categories
Funding
- Ministry of Education Science Technology
- Korea Science & Engineering Foundation [R15-2006-022-01001-0]
- National Research Foundation of Korea [2010-0008277, 과C6B2010] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In the present work, ZnO-Bi(2)O(3)-P(2)O(5) glasses were studied to examine the effect of the Bi(2)O(3) composition on the structure and properties of the phosphate glass system. Glasses with the compositions, I: (50 - 2x) ZnOxBi(2)O(3) - (50 + x)P(2)O(5) and II: (50 - x)ZnO-xBi(2)O(3)-50P(2)O(5)(x = 0 - 20 mol%) were prepared. To investigate the relation between the structural change and compositional change, the structure was measured by FT-IR analysis and the density, glass transition temperature (T(g)) and chemical properties of the glasses were measured. The T(g) and chemical properties (water-resistant qualities) increased with increasing metaphosphate phase in the glasses, due to the increase in the number of bridging oxygens. The glass properties were dependent on the O/P ratio. The compositional variations that changed the dominant phosphate structure from a metaphosphate to a pyrophosphate were accompanied by the transformation in the dominant Bi coordination, complicating the effect that Bi(2)O(3) has on the glass properties. Bi(3+) cations were incorporated into the glass network and difference in the Bi-O bonding state in the glasses. (C) 2010 Published by Elsevier B.V.
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