1. Differentiate an Elemental Semiconductor from a Compound Semiconductor. Explain one advantage of Compound Semiconductor.
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Answer:
The primary issue is you can’t attain crystal quality in a compound semiconductor comparable to what is possible with silicon. This means you can’t make large wafers which means you can’t achieves the economies of scale like you can with silicon. That’s why ALL compound semiconductor revenue and volume represents only about 1% of all of semiconductor. 99% is silicon.
Elemental Semiconductors are made up from IV group and VI group elements. Compound Semiconductors are made from III and V group elements or II and VI group elements. 3. Elemental Semiconductors are called as indirect band gap semiconductor in which electron-hole recombination takes place through traps.
Elemental Semiconductors are made up from IV group and VI group elements. Compound Semiconductors are made from III and V group elements or II and VI group elements. 3. Elemental Semiconductors are called as indirect band gap semiconductor in which electron-hole recombination takes place through traps.The compound semiconductor materials allow monolithic integration of optoelectronic devices such as lasers, light-emitting diode (LEDs), and photodiodes with micromechanical structures. This enables light generation, transmission, modulation, and detection on a single chip.