X-ray diffraction and FTIR spectroscopy of heat treated R2O3

3Ga2O3:4B2O3 systems

E. Beregi, A. Watterich, J. Madarász, M. Tóth, K. Polgár

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In the R2O3:3Ga2O3:4B2O3 systems (R = La, Nd, Sm, Gd, Ho, Y, Er and Yb), X-ray diffraction and infrared absorption spectroscopy were used to study the solid-state reactions in the 575-1050°C temperature range. In some samples (R = Sm, Gd, Ho, Er and Y) huntite (RGa3(BO3)4) phases accompanied by RBO3 and GaBO3 intermediate phases were identified. However, in the systems of R2O3:3Ga2O3:4B2O3 for R = La3+, Nd3+ and Yb3+, instead of the expected huntite phases, La-, Nd-metaborate or YbGa(BO3)2 dolomite type phases were formed. Detailed XRD of the rare-earth gallium borates are presented for the first time. Based on the above results, some chemical reactions were assumed for the processes.

Original languageEnglish
Pages (from-to)874-878
Number of pages5
JournalJournal of Crystal Growth
Volume237-239
Issue number1-4 I
DOIs
Publication statusPublished - Apr 2002

Fingerprint

Borates
Gallium
Infrared absorption
borates
Solid state reactions
Absorption spectroscopy
Rare earths
infrared absorption
gallium
Chemical reactions
Infrared spectroscopy
chemical reactions
absorption spectroscopy
rare earth elements
infrared spectroscopy
Spectroscopy
solid state
X ray diffraction
heat
diffraction

Keywords

  • A1. X-ray diffraction
  • B1. Borates
  • B1. Rare-earth compounds
  • B2. Non-linear optic materials

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

X-ray diffraction and FTIR spectroscopy of heat treated R2O3 : 3Ga2O3:4B2O3 systems. / Beregi, E.; Watterich, A.; Madarász, J.; Tóth, M.; Polgár, K.

In: Journal of Crystal Growth, Vol. 237-239, No. 1-4 I, 04.2002, p. 874-878.

Research output: Contribution to journalArticle

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AU - Watterich, A.

AU - Madarász, J.

AU - Tóth, M.

AU - Polgár, K.

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