Why are n and p-type Semiconductors electrically neutral, even though their name suggests polarity?
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Why are n and p-type Semiconductors electrically neutral, even though their name suggests polarity? Semiconductors are materials with conductivity between conductors and insulators. Semiconductors are employed in the manufacture of various kinds of electronic devices, including diode, transistors, and integrated circuits . Such devices have found wide application because of their compactness, reliability, and low cost. The atoms of semiconductor elements have exactly four valence electrons. Bonding between atoms occurs because each atom tends to fill its outermost cell with eight electrons. Each semiconductor atom has four valence electrons, hence the atom can share four other valence electrons of neighboring atoms to complete eight electrons in its outermost cell. The bonding between atoms by sharing valence electrons is called the covalent bond. This results in a covalent crystal. Fig A The most classic ex...