Editing Arsenic (section)

==== Alloys ====

Arsenic is used as the group 5 element in the [[III-V semiconductor]]s [[gallium arsenide]], [[indium arsenide]], and [[aluminium arsenide]].<ref>{{cite journal |doi = 10.1016/j.taap.2003.10.019 |title = Toxicity of indium arsenide, gallium arsenide, and aluminium gallium arsenide |date = 2004 |last1 = Tanaka |first1 = A. |journal = Toxicology and Applied Pharmacology |volume = 198 |issue = 3 |pages = 405–411 |pmid = 15276420|bibcode = 2004ToxAP.198..405T }}</ref> The valence electron count of GaAs is the same as a pair of Si atoms, but the [[Electronic band structure|band structure]] is completely different which results in distinct bulk properties.<ref>{{cite book |url=https://books.google.com/books?id=pkuuvlNjRtsC&pg=PA1 |title=Light Emitting Silicon for Microphotonics |isbn = 978-3-540-40233-6|last1=Ossicini |first1=Stefano |last2=Pavesi |first2=Lorenzo |last3=Priolo |first3=Francesco |year=2003 |publisher=Springer |access-date=2013-09-27}}</ref> Other arsenic alloys include the II-V semiconductor [[cadmium arsenide]].<ref>{{cite book |doi = 10.1109/SMELEC.1998.781173 |date = 1998 |last1 = Din |first1 = M. B. |last2 = Gould |first2 = R. D. |title = ICSE'98. 1998 IEEE International Conference on Semiconductor Electronics. Proceedings (Cat. No. 98EX187) |chapter = High field conduction mechanism of the evaporated cadmium arsenide thin films |isbn = 978-0-7803-4971-1 |pages = 168–174|s2cid = 110904915 }}</ref>