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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Semiconductor laser theory Laser diode rate equations. GaAs gxas be used for various transistor types: Storage P Store locked up. Toxicological information Acute toxicity Oral: For those that might read this down the road, GaAs dust is quite dangerous, at least long term exposure.
For few researchers measured arsenic content in blood has been too high even when they don’t do mechanical machining of the stuff. This allows extremely high performance and high electron mobility HEMT transistors and other quantum well devices. Discharge into gaaz environment must be avoided. China Catalog of Hazardous chemicals Listed.
SAFETY DATA SHEETS
GaAs has been used to produce near-infrared laser diodes since In the s, GaAs solar cells took over from silicon as the cell type most commonly used for photovoltaic arrays for satellite applications.
Gallium arsenide single crystals can be prepared by three industrial processes: In other projects Wikimedia Commons. Stability and reactivity The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. If swallowed Never give anything by mouth to an unconscious person.
Short term exposure, I am not so sure. Refractive index n D. smds
Views Haas Edit View history. As a wide direct band gap material with resulting resistance to radiation damage, GaAs is an excellent material for outer space electronics and optical windows in high power applications.
Gallium Arsenide Safety.
Cover skin burns with dry sterile dressings after decontamination Retrieved from ” https: If you do not see the specification you require, please ask for details. Consequently, GaAs thin films must be supported on a substrate material. Provide appropriate exhaust ventilation msdss places where dust is formed. Silicon dioxide can be incorporated onto silicon circuits easily, and such layers are adherent to the underlying silicon.
We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product. Inthe GaAs heterostructure solar cells were developed by the team led by Zhores Alferov in the USSR   achieving much higher efficiencies. Some electronic properties of gallium arsenide are superior to those of silicon.
This evaluation applies to the group of chemicals as a whole and not necessarily to all individual nsds within the group. Also, the waste needs to be treated as toxic material. Respiratory protection Wear dust mask when handling large quantities.
The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. Alternatively, the packaging can be punctured to make it unusable for other purposes and msss be disposed of in a sanitary landfill. Watch for signs of respiratory insufficiency and assist ventilations if needed. In contrast, the absorptivity of GaAs is so high that only a few micrometers of thickness are needed to absorb all of the light.
Jsds molten form attacks quartz. CopyrightTaas Technology Ltd. It is also a fairly good thermal conductor, thus enabling very dense packing of transistors that need to get rid of their heat of operation, all very desirable for design and manufacturing of very large ICs.
Monitor for shock and treat if necessary Readily attacked by the halogens. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a gas. The Chemistry of the Semiconductor Industry. The economies of scale available to the silicon industry has also hindered the adoption of GaAs. I’ve looked at various data over the past couple of days on this stuff and they all seem to say the crystal is safe as GaAs, but can liberate As and Ga compounds in contact with acids mses.
Do not discharge to sewer systems.
Avoid contact with skin and eyes. 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.
Gallium arsenide GaAs is a compound of the elements gallium and arsenic. Avoid formation of mmsds and aerosols. Attacked by cold concentrated hydrochloric acid. When heated to decomposition, this compound emits very toxic fumes of arsenic. This page was last edited on 27 Novemberat Protect msda against physical damage. Do not contaminate water, foodstuffs, feed or seed by storage or disposal.
For manufacturing solar cells, silicon has relatively low absorptivity for sunlight, meaning about micrometers of Si is needed to absorb most sunlight.