| Element | Wt % | |||
|---|---|---|---|---|
| Ga | 48.20 | |||
| As | 51.80 | |||
| Sum | 100.0 |
; "Click to enlarge")
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Polished GaAs in 02751-AB mount
Source: Alfa Aesar, MA, USA
; "Click to enlarge")
Polished GaAs in 02753-AB mount
# AS2100-AB |
Gallium ArsenideAlternate - either version of this item may be used in our Off-The-Shelf Standards |
GaAs |
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Polished GaAs in 02751-AB mount Source: Alfa Aesar, MA, USA |
Polished GaAs in 02753-AB mount |
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| This is a reflected light micrograph of polished, carbon coated synthetic gallium arsenide crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. There are no minerals containing significant amounts of gallium for use as a standard. Arsenic is an element which oxidizes easily and so is unsuitable for mounting and polishing. But the compound, GaAs, widely used in the semi-conductor business, contains both these elements in major amounts, and is stable and easily polished. hence its presence in this set. | ||||||||||||||||||||||||||||
| Name | Description | SPI # | Each | |
|---|---|---|---|---|
| Gallium Arsenide | SPI SuppliesŪ Individual Mounted Microanalysis Standard Item | AS2100-AB | $ |
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| Gallium Arsenide | SPI SuppliesŪ Individual Loose Microanalysis Standard Item | AS2105-AB | $ |
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