Cadmium arsenide
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Cadmium arsenide (Cd3As2) is a crystalline semiconductor with a tetragonal structure in the II-V family. It is a narrow gap semiconductor with an energy gap of 0.14 eV. The electron mobility is very large at ambient temperature. It is a n-type intrinsic semiconductor. Its CAS number is [12006-15-4] [1].
Cadmium arsenide can be prepared as amorphous semiconductive glass.
Cadmium arsenide shows Nernst effect.
Cadmium arsenide is used in infrared detectors using Nernst effect, and in thin-film dynamic pressure sensors. It can be also used to make magnetoresistors, and in photodetectors. [2]
Cadmium arsenide can be used as a dopant for HgCdTe.
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