Enhanced surface crystallization of chromium (III)-doped lithium lanthanum borate glasses due to ultrasonic treatment

Yong Ding, Akiyoshi Osaka, Tokuro Nanba, Tokuro Nanba

Research output: Contribution to journalArticle

Abstract

Precipitation of LaBO3 on the surface of a glass of composition 0.1Cr2O3·25Li2O·10La2O3·65B2O3 (in mol%) was enhanced due to ultrasonic surface treatment (UST) with aqueous and ethanol suspensions of LaBO3 particles. The aqueous suspension gave a higher efficiency than the ethanol suspension. The crystallites were almost uniform in size distribution, and grew irregularly: increase-decrease-increase in size when heated at 580 °C. Preferred growth of (200) was detected. The mechanism of UST enhanced crystallization is proposed.

Original languageEnglish
Pages (from-to)618-623
Number of pages6
JournalZairyo/Journal of the Society of Materials Science, Japan
Volume43
Issue number489
Publication statusPublished - Jun 1994

Fingerprint

ultrasonic processing
Lanthanum
Borates
Chromium
Crystallization
borates
Lithium
lanthanum
Surface treatment
chromium
Suspensions
Ethanol
lithium
Ultrasonics
crystallization
surface treatment
Glass
glass
ethyl alcohol
ultrasonics

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Metals and Alloys
  • Polymers and Plastics

Cite this

Enhanced surface crystallization of chromium (III)-doped lithium lanthanum borate glasses due to ultrasonic treatment. / Ding, Yong; Osaka, Akiyoshi; Nanba, Tokuro; Nanba, Tokuro.

In: Zairyo/Journal of the Society of Materials Science, Japan, Vol. 43, No. 489, 06.1994, p. 618-623.

Research output: Contribution to journalArticle

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