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A method to determine the growth polarity of GaN/AlGaN multi-quantum wells (MQWs) has been proposed. Electron holography (EH) study of the potential profiles of the multi-quantum well structure has been used here to determine the direction of build-in electric field that is strictly related to the growth polarity.
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Keywords:
- electron holography /
- growth polarity /
- polarization
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中国物理学会期刊
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