Semiconductors Silicon is the raw material most often apply in integrated circuit (IC) fabrication. It is the second most easy substance on the earth. It is extracted from rocks and common beach sand and mold through an exhaustive purification process. In this form, silicon is the purist industrial substance that man produces, with impurities comprising less than one part in a billion. That is the equivalent of one tennis ball in a string of golf balls stretching from the earth to the moon. Semiconductors ar usually materials which have energy-band gaps smaller than 2eV.
An important property of semiconductor devices is the index to change their resistivity over several aligns of magnitude by doping. Semiconductors have electrical resistivities between 10-5 and 107 ohms. Semiconductors can be see-through or amorphous. Elemental semiconductors are simple-element semiconductor materials such as silicon or germanium. Silicon is the most common semiconductor material ...If you want to get a full essay, order it on our website: Orderessay
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