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Indium arsenide

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Origin: China

Cas No: 1303-11-3

Specification: 99%min

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 1303-11-3 Formula: AsIn Molecular Weight: 189.74000

    Description

    Indium arsenide, InAs, or indium monoarsenide, is a semiconductor composed of indium and arsenic. It has the appearance of grey cubic crystals with a melting point of 942°C.
    Indium arsenide is used for construction of infrared detectors, for the wavelength range of 1–3.8µm. The detectors are usually photovoltaic photodiodes. Cryogenically cooled detectors have lower noise, but InAs detectors can be used in higher-power applications at room temperature as well. Indium arsenide is also used for making of diode lasers.
    Indium arsenide is similar to gallium arsenide and is a direct bandgap material.
    Indium arsenide is sometimes used together with indium phosphide. Alloyed with gallium arsenide it forms indium gallium arsenide - a material with band gap dependent on In/Ga ratio, a method principally similar to alloying indium nitride with gallium nitride to yield indium gallium nitride.
    InAs is well known for its high electron mobility and narrow energy bandgap. It is widely used as terahertz radiation source as it is a strong photo-Dember emitter.
    Quantum dots can be formed in a monolayer of indium arsenide on indium phosphide or gallium arsenide. The mismatches of lattice constants of the materials create tensions in the surface layer, which in turn leads to formation of the quantum dots. Quantum dots can also be formed in indium gallium arsenide, as indium arsenide dots sitting in the gallium arsenide matrix.

    Basic Info

    Chemical Name Indium arsenide
    Synonyms

    INDIUM ARSENIDE;

    CAS No. 1303-11-3
    Molecular Formula AsIn
    Molecular Weight 189.74000
    PSA 0.00000
    LogP -0.15580

    Properties

    Appearance & Physical State grey cubic crystals
    Melting Point 936ºC

    Safety Info

    Hazard Class 6.1
    Packing Group III
    RIDADR UN1557

    Toxicity

    Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
    Subcutaneous LD50 - Lethal dose, 50 percent kill Rodent - mouse 32500 mg/kg 1.Details of toxic effects not reported other than lethal dose value
    Intratracheal TDLo - Lowest published toxic dose Rodent - rat 123 mg/kg,male 8 week(s) pre-mating 1.Reproductive-Paternal Effects-spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

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