Aluminum arsenide

Crystal structure
__ Al      __ As
General
Surname	Aluminum arsenide
Ratio formula	AlAs
Brief description	orange solid
External identifiers / databases
CAS number 22831-42-1 EC number 245-255-0 ECHA InfoCard 100.041.126 PubChem 89859 Wikidata Q2377230
properties
Molar mass	101.90 g mol −1
Physical state	firmly
density	3.81 g cm −3
Melting point	1740 ° C
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 301-331-410 P: 261-301 + 310-304 + 340-311-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Aluminum arsenide is an inorganic chemical compound of aluminum from the group of arsenides .

Extraction and presentation

Aluminum arsenide can be obtained by reacting aluminum with arsenic .

${\displaystyle \mathrm {Al+As\longrightarrow AlAs} }$

properties

Aluminum arsenide is an orange solid that is stable in the absence of moisture. It has a crystal structure of the zinc blende type (a = 562 pm) with the space group F 4 3 m (space group no. 216) . It's a semiconductor .

use

Aluminum arsenide is used in the semiconductor industry.

Individual evidence

1. ↑ ^{a b} Georg Brauer (Ed.), With the collaboration of Marianne Baudler u a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 840.
2. ↑ ^{a b c d e f g} Data sheet Aluminum arsenide, 99.5% (metals basis) from AlfaAesar, accessed on February 20, 2014 ( PDF )(JavaScript required) .
3. ^ Jean d'Ans, Ellen Lax, Roger Blachnik: Pocket book for chemists and physicists . Springer DE, 1998, ISBN 3-642-58842-5 , pp. 292 ( limited preview in Google Book search).