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Questions and Answers
Which type of impurities can alter the electronic properties of a semiconductor material?
Which type of impurities can alter the electronic properties of a semiconductor material?
- Magnetic impurities
- Insulating impurities
- Doping impurities (correct)
- Conductive impurities
What is the defining property of a semiconductor material?
What is the defining property of a semiconductor material?
- It is a good conductor of electricity
- It has a wide band gap
- It can be compromised by doping with impurities (correct)
- It has high thermal conductivity
In comparison with silicon, what advantage does gallium arsenide (GaAs) have?
In comparison with silicon, what advantage does gallium arsenide (GaAs) have?
- Lower band gap
- Lower optical efficiency
- Higher thermal conductivity
- Six times higher electron mobility (correct)
What allows gallium arsenide to emit light at chosen wavelengths?
What allows gallium arsenide to emit light at chosen wavelengths?
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What industry utilizes semiconductor materials in devices like transistors and solar cells?
What industry utilizes semiconductor materials in devices like transistors and solar cells?
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