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Why is the silicon mostly chosen when compared to germanium?
- a)low power consumption
- b)high efficiency
- c)greater working temperature
- d)large ICBO
Correct answer is option 'C'. Can you explain this answer?
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Why is the silicon mostly chosen when compared to germanium?a)low powe...
The normal working temperature of germanium is approximately 70°C .The normal working temperature of silicon is approximately 150°C. The other advantages of using a silicon material are, it has a smaller ICBO and its variations are smaller with temperature.
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Why is the silicon mostly chosen when compared to germanium?a)low powe...
Introduction to Silicon and Germanium
Silicon and germanium are both semiconductor materials widely used in electronic devices. However, silicon is predominantly favored over germanium in various applications.
Reasons for Silicon Preference
1. Greater Working Temperature
- Silicon can operate efficiently at higher temperatures compared to germanium.
- Germanium has a lower melting point and can lose its semiconductor properties at elevated temperatures, limiting its use in high-temperature environments.
2. Thermal Stability
- Silicon exhibits better thermal stability, making it ideal for applications where heat dissipation is a concern.
- This characteristic ensures that silicon devices maintain performance integrity even when subjected to fluctuating temperatures.
3. Abundance and Cost
- Silicon is more abundant in nature and less expensive to produce than germanium.
- This availability contributes to its widespread use in the semiconductor industry, making manufacturing processes cost-effective.
4. Higher Bandgap Energy
- Silicon has a bandgap energy of about 1.1 eV, while germanium is around 0.66 eV.
- A higher bandgap means silicon can handle higher voltages and provides better insulation, reducing leakage currents.
Conclusion
In summary, while both silicon and germanium have their advantages, silicon's greater working temperature and thermal stability, along with its abundance and cost-effectiveness, make it the preferred choice in most electronic applications. This choice ensures reliability and efficiency in modern electronic devices.
Silicon and germanium are both semiconductor materials widely used in electronic devices. However, silicon is predominantly favored over germanium in various applications.
Reasons for Silicon Preference
1. Greater Working Temperature
- Silicon can operate efficiently at higher temperatures compared to germanium.
- Germanium has a lower melting point and can lose its semiconductor properties at elevated temperatures, limiting its use in high-temperature environments.
2. Thermal Stability
- Silicon exhibits better thermal stability, making it ideal for applications where heat dissipation is a concern.
- This characteristic ensures that silicon devices maintain performance integrity even when subjected to fluctuating temperatures.
3. Abundance and Cost
- Silicon is more abundant in nature and less expensive to produce than germanium.
- This availability contributes to its widespread use in the semiconductor industry, making manufacturing processes cost-effective.
4. Higher Bandgap Energy
- Silicon has a bandgap energy of about 1.1 eV, while germanium is around 0.66 eV.
- A higher bandgap means silicon can handle higher voltages and provides better insulation, reducing leakage currents.
Conclusion
In summary, while both silicon and germanium have their advantages, silicon's greater working temperature and thermal stability, along with its abundance and cost-effectiveness, make it the preferred choice in most electronic applications. This choice ensures reliability and efficiency in modern electronic devices.
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Why is the silicon mostly chosen when compared to germanium?a)low power consumptionb)high efficiencyc)greater working temperatured)large ICBOCorrect answer is option 'C'. Can you explain this answer?
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