Gallium arsenide pieces, % trace metals basis; CAS Number: AsGa; find Sigma-Aldrich MSDS, related peer-reviewed papers, technical. SAFETY DATA SHEET. GALLIUM ARSENIDE OPTICAL CRYSTAL. According to Regulation (EC) No/ (REACH). Revision MATERIAL SAFETY DATA SHEET. I. PRODUCT IDENTIFICATION. Trade Name: Gallium Arsenide. Synonym: Gallium Monoarsenide. Formula: GaAs. CAS #.

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Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Anticipate seizures and treat if necessary Avoid breathing vapours, mist or gas. Uses advised against no data available 1. This low carrier concentration is similar to an intrinsic perfectly undoped crystal, but much easier to achieve in practice. The electronic gwas of these defects interacting with others cause the Fermi mds to be pinned to near the center of the bandgap, so that this GaAs crystal has very low concentration of electrons and holes.

Gallium Arsenide Safety.

GaAs – Gallium Arsenide Wafer Technology offers single crystal gallium arsenide grown at low pressure from high purity polycrystalline gallium arsenide in a vertical temperature gradient VGF-Vertical Gradient Freeeze. Avoid formation of dust and aerosols. Inthe GaAs heterostructure solar cells were developed by the team led by Zhores Alferov in the USSR[17] [18] gaaas achieving much higher efficiencies.


Thanks Matt, Reading between the lines on all the safety details, it seems like this stuff is too toxic to machine.

This page was last edited on 27 Novemberat Contaminated packaging Containers can be triply rinsed or equivalent and offered for recycling or reconditioning.

GaAs – Gallium Arsenide – Epitaxy Ready Polished Wafers: Wafer Technology

Skin protection Wear impervious clothing. Silicon has three major advantages over GaAs for integrated circuit manufacture. I work in university department where they make laser diodes from GaAs wafers and they take every precaution to avoid direct contact to bulk material or GaAs dust. Semiconductor laser theory Laser diode rate equations.


Relative vapour density no data available Particle characteristics no data available For manufacturing solar cells, silicon has relatively low absorptivity for sunlight, meaning about micrometers of Si is needed to absorb most sunlight.

GaAs does not have a native oxide, does not easily support a stable adherent insulating layer, and does not possess the dielectric strength or surface passivating qualities of the Si-SiO 2.

For this purpose an optical fiber tip of an optical fiber temperature sensor is equipped with a gallium arsenide crystal. Safety glasses with side-shields conforming to EN If breathed in, move person into fresh air. This has made it an ideal material for monolithic microwave integrated circuits, MMICswhere active and essential passive components can readily be produced on a single slice of GaAs. If not breathing, give artificial respiration. Also, the waste needs to be treated as toxic material.


This method produces crystals with a much lower dislocation density than those produced by any other growth method.

Store in well ventilated area away from food or food products and combustible materials. I am pretty sure that it is a carcinogen.

Gallium arsenide

Irrigate each eye continuously with normal saline during transport Do not discharge to sewer systems. Yaas love deadlines- I like the whooshing sound they make as they fly by.

Never give anything by mouth to an unconscious person. From Wikipedia, the free encyclopedia. Combined with a high dielectric constantthis property makes GaAs a very good substrate for Integrated circuits baas unlike Si provides natural isolation between devices and circuits.

Silicon has an indirect bandgap and so is relatively poor at emitting light.