Nano-sized Ba 2NaNb 5O 15-NaNbO 3 co-crystallized glass-ceramics in phosphoniobate system

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Abstract

Glass-ceramics (GC) consisting of nano-sized Nb-dielectrics were fabricated in BaO-Na 2O-P 2O 5-Nb 2O 5 system, and their crystallization and physical features were studied. Precursor of 0.67(2BaO-0.5Na 2O)-1P 2O 5-2.5Nb 2O 5 glass co-crystallized Ba 2NaNb 5O 15 (BNN) and NaNbO 3 phases, which are about 10 nm in size, and resulting GC possessed an optical transparency comparable to the precursor glass, and optical band-gap of the GC was close to that of BNN. It is suggested that the fabricated GC is not merely a GC with transparency but Nb-dielectric GC, in which light scattering due to the crystallized phases evolution is minimized, i.e., practically transparent GC material.

Original languageEnglish
Article number201907
JournalApplied Physics Letters
Volume100
Issue number20
DOIs
Publication statusPublished - 2012 May 14

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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