Solid State Physics |
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Page 19
... Answer : 2.55 Å , 2.88 Å , 2.88 Å . Problem 1-6 . Using data in Appendices 2 and 3 , find the density ( in g / cm3 ) of aluminum ( Al ) . Answer : 2.72 g / cm3 . Problem 1-7 . The structure of iron is found to be bcc be- low 910 ° C and ...
... Answer : 2.55 Å , 2.88 Å , 2.88 Å . Problem 1-6 . Using data in Appendices 2 and 3 , find the density ( in g / cm3 ) of aluminum ( Al ) . Answer : 2.72 g / cm3 . Problem 1-7 . The structure of iron is found to be bcc be- low 910 ° C and ...
Page 204
... Answer : 1.00 x 1021 m - 3 , 9.6 × 1010 m - 3 . Problem 10-8 . What fraction of total atoms in the Si crystal of Problem 10-7 are donors ? Answer : 1.99 × 10-8 . Problem 10-9 . Using Eq . ( 10-10 ) , calculate the Fermi energy for the ...
... Answer : 1.00 x 1021 m - 3 , 9.6 × 1010 m - 3 . Problem 10-8 . What fraction of total atoms in the Si crystal of Problem 10-7 are donors ? Answer : 1.99 × 10-8 . Problem 10-9 . Using Eq . ( 10-10 ) , calculate the Fermi energy for the ...
Page 209
... Answer : 21.6 / n - m , 7.3 × 10-10 / N.m , 21.6 / .m . Problem 10-15 . Calculate the mobility of conduction elec- trons in sodium metal ( Na ) . Answer : 5.90 × 10-3 m2 / V.s . Problem 10-16 . A 5 - mm cube of n - type germanium ( Ge ) ...
... Answer : 21.6 / n - m , 7.3 × 10-10 / N.m , 21.6 / .m . Problem 10-15 . Calculate the mobility of conduction elec- trons in sodium metal ( Na ) . Answer : 5.90 × 10-3 m2 / V.s . Problem 10-16 . A 5 - mm cube of n - type germanium ( Ge ) ...
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