GaAs Wafer | Advantages and Disadvantages of GaAs Wafers


July 18, 2019

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GaAs Wafer is an III-V direct bandgap compound semiconductor, which is used in many applications. It is a mixture between two elements: Gallium (Ga) and Arsenide (As), and has a zinc blende crystal structure. If you’re looking to employ GaAs wafer for your next project, then knowing its advantages and disadvantages are important. Here are the advantages and disadvantages of GaAs wafers:


GaAs has a direct bandgap which allows the emission and absorption of light efficiently. It has extremely high electron mobility which allows GaAs transistors to perform at frequencies exceeding 250 GHz. In addition to that, it also reduces the noise at which high frequencies tend to lessen the electrical signal disturbance in electronic circuits. GaAs wafers have a broad temperature functioning range or high thermal strength. Alloys created from GaAs utilizing elements like Al, In, P, and SB have properties that complement those of GaAs, which allows adaptability. The high resistivity against Radiation Damage makes it suitable for space electronics applications and optical windows for powerful applications. GaAs cells are also unresponsive to heat which makes them insensitive to overheating.


It has an absence of any natural oxide, unlike in Silicon. In addition to that, it has an expensive production cost of a single-crystal GaAs substrate. Lastly, the ingot size is small compared to Silicon


GaAs wafers are utilized in electrical devices, like solar cells, laser diodes, infrared light-emitting diodes, monolithic microwave integrated circuits, laser diodes, field-effect transistors, extremely high radio frequencies, rapid electronic switching applications, weak-signal amplification, mobile phone application, satellite communications, and more.

what are gaas wafer?

Looking for a GaAs Wafer?

Overall, a GaAs wafer has more advantages compared to its disadvantages. If you’re looking to employ GaAs wafer for your next project, then get high-quality GaAs wafers from Wafer World. At Wafer World, our 20 years of experience has allowed us to master the production process to produce high-quality wafers at the best price possible. Call us for inquiries or visit our website to purchase wafers online!

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