Solid State Physics |
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Page 201
... Doped Semiconductors Let us now see what happens if we mix a small number of arsenic ( As ) atoms into a silicon ( Si ) crystal . These As atoms are " impurities " in the crystal . A ... Doped Semiconductors 10-5 Doped Semiconductors.
... Doped Semiconductors Let us now see what happens if we mix a small number of arsenic ( As ) atoms into a silicon ( Si ) crystal . These As atoms are " impurities " in the crystal . A ... Doped Semiconductors 10-5 Doped Semiconductors.
Page 204
... doping the Si crystal causes most of the holes to disappear . In a pure Si crystal , p ; = 1.47 × 1016 m - 3 , and in the doped crystal , p = 2.16 × 1011 x Only a very small fraction of the electrons from the CB are needed to accomplish ...
... doping the Si crystal causes most of the holes to disappear . In a pure Si crystal , p ; = 1.47 × 1016 m - 3 , and in the doped crystal , p = 2.16 × 1011 x Only a very small fraction of the electrons from the CB are needed to accomplish ...
Page 249
... doped about 100 times heavier than the base . A bipolar junction transistor is thus a current amplifier . A very small amount of current into the base causes a very large amount of current to flow into the collector . It is common for ...
... doped about 100 times heavier than the base . A bipolar junction transistor is thus a current amplifier . A very small amount of current into the base causes a very large amount of current to flow into the collector . It is common for ...
Common terms and phrases
Answer atoms average bond Bragg angle Bragg's Law Bravais lattice Brillouin zone called Chapter classical model collisions conduction electrons Consider constructively interfere Cooper pairs copper depletion layer direction dispersion curve displacement distance doped effective mass elec electric current electric field electrons and holes energy band equal example fcc lattice Fermi energy Fermi level Fermi surface force free electron free particle frequency given by Eq inside ions k-space laser lattice parameter lattice points lattice vector lattice wave magnetic field n-type semiconductor Na+-Cl NaCl negative neutrons number of electrons obtain occupied one-dimensional oscillate p-n junction p-side n-side photon planes positively charged potential energy primitive unit cell Problem rays reciprocal lattice reverse biased scattered Schroedinger's equation shown in Fig sodium metal superconductor temperature thermal energy tion transistor trons unit cell unoccupied values velocity voltage wave function wave number wave vector wavelength wire x-ray diffraction zero