Lutetium tantalate

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Crystal structure
No drawing available
General
Surname Lutetium tantalate
Ratio formula LuTaO 4
External identifiers / databases
CAS number 12209-21-1
Wikidata Q6705449
properties
Molar mass 419.91 g mol −1
density

9.81 g cm −3

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lutetium tantalate is a chemical compound of lutetium from the group of tantalates .

Extraction and presentation

Lutetium tantalate can be obtained by reacting lutetium (III) oxide with tantalum (V) oxide .

properties

Lutetium tantalate is a crystalline solid. It has a monoclinic crystal structure with the space group P 2 / a (space group no. 13, position 3) . At higher temperatures, the crystal structure changes into a second phase. Template: room group / 13.3

use

Lutetium tantalate is used as a luminescent material in the X-ray area.

Individual evidence

  1. ↑ a b c Renqin Dou, Qingli Zhang u. a .: Rare-Earth Tantalates and Niobates Single Crystals: Promising Scintillators and Laser Materials. In: Crystals. 8, 2018, p. 55, doi : 10.3390 / cryst8020055 .
  2. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  3. ↑ Xue Xing, Xiaofei Wang et al. a .: High-Temperature Phase Relations in the Lu 2 O 3 -Ta 2 O 5 System In: Journal of the American Ceramic Society. 99, 2015, p. 1042, doi : 10.1111 / jace.13977 .
  4. ^ Xue, Xing & Xiao-Fei, Wang & Qing-Li, Zhang & Gui-Hua, Sun & Wen-Peng, Liu & Sun, Dunlu & Shao-Tang, Yin (2014). Phase transition and structure of LuTaO4. Acta Physica Sinica -Chinese Edition-. 63.10.7498 / aps.63.248107.
  5. ↑ G. Blasse, GJ Dirksen u. a .: Luminescence of materials based on LuTaO4. In: Journal of Alloys and Compounds. 209, 1994, p. 1, doi : 10.1016 / 0925-8388 (94) 91069-3 .
  6. ^ AR Jha: Rare Earth Materials Properties and Applications . CRC Press, 2014, ISBN 978-1-4665-6403-9 , pp. 51 ( limited preview in Google Book search).