Microprecipitates in Semi-Insulating GaAs Single Crystals

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The microprecipitates in the as-grown undoped and In-doped semi-insulating GaAs single crystals have been ex-amined by JEM 200 CX transmission electron microscope.The microprecipitates consist of GaAs polycrystalline grainsof 5~100nm in size have been evi
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