Barium telluride

Crystal structure
	__ Ba 2+ __ Te 2−
General
Surname	Barium telluride
Ratio formula	BaTe
Brief description	white to yellow solid
External identifiers / databases
ECHA InfoCard	100,031,395
PubChem	82796
ChemSpider	74718
Wikidata	Q4454239
properties
Molar mass	264.93 g mol −1
Physical state	firmly
density	5.13 g cm −3
Melting point	2070 ° C
Refractive index	2.408
safety instructions
GHS hazard labeling ; no classification available
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 . Refractive index: Na-D line , 20 ° C

Barium telluride is an inorganic chemical compound of barium from the group of tellurides . In addition to this, two further barium tellurides are known: barium digelluride BaTe ₂ and barium tritelluride BaTe ₃ .

Extraction and presentation

Barium telluride can be obtained by reacting barium with tellurium .

{\ displaystyle {\ ce {Ba + Te -> BaTe}}}

Representation by reducing barium tellurate is also possible .

properties

Barium telluride is a white to yellow solid. It has a cubic crystal structure with the space group Fm 3 m (space group no. 225) . Template: room group / 225

use

Barium telluride is used as a semiconductor.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f Richard C. Ropp: Encyclopedia of the Alkaline Earth Compounds . Newnes, 2012, ISBN 0-444-59553-8 , pp. 189 ( limited preview in Google Book search).
↑ ^a ^b ^c ^d Dale L. Perry: Handbook of Inorganic Compounds . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 58 ( limited preview in Google Book search).
↑ Gerald J. Lapeyre, Eugene B. Hensley: Melting Point and Growth of Barium Telluride Single Crystals. In: Journal of Applied Physics. 36, 1965, p. 2054, doi : 10.1063 / 1.1714401 .
↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
↑ G. CORDIER, C. SCHWIDETZKY, H. SCHAEFER: ChemInform Abstract: BARIUM TELLURIDE (BATE3), THE FIRST BINARY ALKALINE EARTH POLYTELLURIDE. In: Chemical Information Service. 15, 1984, doi : 10.1002 / chin.198441009 .
↑ R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 1363 ( limited preview in Google Book search).
↑ AMERICAN ELEMENTS ®: Barium Telluride | AMERICAN ELEMENTS ® , accessed April 19, 2019

[Richard_C._Ropp-1] ↑ ^a ^b ^c ^d ^e ^f Richard C. Ropp: Encyclopedia of the Alkaline Earth Compounds . Newnes, 2012, ISBN 0-444-59553-8 , pp. 189 ( limited preview in Google Book search).

[Dale_L._Perry-2] Dale L. Perry: Handbook of Inorganic Compounds . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 58 ( limited preview in Google Book search).

[DOI10.1063/1.1714401-3] Gerald J. Lapeyre, Eugene B. Hensley: Melting Point and Growth of Barium Telluride Single Crystals. In: Journal of Applied Physics. 36, 1965, p. 2054, doi : 10.1063 / 1.1714401 .

[NV-4] This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.

[DOI10.1002/chin.198441009-5] G. CORDIER, C. SCHWIDETZKY, H. SCHAEFER: ChemInform Abstract: BARIUM TELLURIDE (BATE3), THE FIRST BINARY ALKALINE EARTH POLYTELLURIDE. In: Chemical Information Service. 15, 1984, doi : 10.1002 / chin.198441009 .

[R._Blachnik-6] R. Blachnik: Pocket book for chemists and physicists Volume 3: Elements, inorganic compounds and materials, minerals . Springer-Verlag, 2013, ISBN 978-3-642-58842-6 , pp. 1363 ( limited preview in Google Book search).

[americanelements.com-7] AMERICAN ELEMENTS ®: Barium Telluride | AMERICAN ELEMENTS ® , accessed April 19, 2019