Nucleation of Ga2O3 nanocrystals in the K2O-Ga2O3-SiO2 glass system

R. Ceccato, R. Dal Maschio, S. Gialanella, G. Mariotto, M. Montagna, F. Rossi, M. Ferrari, K. E. Lipinska-Kalita, Y. Ohki

研究成果: Article査読

35 被引用数 (Scopus)

抄録

A multitechnique approach, consisting of x-ray diffraction, differential thermal analysis, low frequency Raman scattering from the acoustic vibrations of nanoclusters, and transmission electron microscopy associated with selected area diffraction, has been used to study the nucleation and crystallization processes in SiO2-Ga2O3-K2O glasses. The specific aim was to determine the structure and the size distribution of nanoparticles embedded in the glass matrix. It has been found that nearly spherical nanocrystals of β-Ga2O3, with a size of ∼2-3 nm, nucleate during thermal treatments at 900°C. Crystallization was observed after annealing at higher temperature. The amount of the crystalline phase and the mean size of the nanocrystals increased with heat treatment, time and temperature. β-Ga2O3 was the only crystalline phase to appear in all glass samples.

本文言語English
ページ(範囲)2522-2527
ページ数6
ジャーナルJournal of Applied Physics
90
5
DOI
出版ステータスPublished - 2001 9 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

フィンガープリント

「Nucleation of Ga<sub>2</sub>O<sub>3</sub> nanocrystals in the K<sub>2</sub>O-Ga<sub>2</sub>O<sub>3</sub>-SiO<sub>2</sub> glass system」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル