Solid State Physics |
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Page 49
... rays ( λ = 1.542 Å ) from the ( 100 ) and ( 110 ) planes in sodium ( Na ) . Answer : 21 ° , 15 ° , 30 ° . 2-5 Diffraction from Real Atoms Up to now , we have been considering x rays to be scattered by " points " in the crystal ( see Fig ...
... rays ( λ = 1.542 Å ) from the ( 100 ) and ( 110 ) planes in sodium ( Na ) . Answer : 21 ° , 15 ° , 30 ° . 2-5 Diffraction from Real Atoms Up to now , we have been considering x rays to be scattered by " points " in the crystal ( see Fig ...
Page 51
... rays of wavelength = 1.542 Å , find all the Bragg reflections from the ( 100 ) planes of NaCl . Repeat for the ( 110 ) planes . Answer : 16 ° , 33 ° , 55 ° , 23 ° , 51 ... rays scattered CHAPTER 2 X - RAY DIFFRACTION 51 Reciprocal Lattice.
... rays of wavelength = 1.542 Å , find all the Bragg reflections from the ( 100 ) planes of NaCl . Repeat for the ( 110 ) planes . Answer : 16 ° , 33 ° , 55 ° , 23 ° , 51 ... rays scattered CHAPTER 2 X - RAY DIFFRACTION 51 Reciprocal Lattice.
Page 59
... rays at the smallest Bragg angle ( call it 01 ) ? Which planes will reflect the x rays at the next smallest Bragg angle ( call it 02 ) ? Find the ratio sin 02 / sin 01 . ( b ) Repeat part ( a ) for an fcc lattice . ( c ) Using x rays of ...
... rays at the smallest Bragg angle ( call it 01 ) ? Which planes will reflect the x rays at the next smallest Bragg angle ( call it 02 ) ? Find the ratio sin 02 / sin 01 . ( b ) Repeat part ( a ) for an fcc lattice . ( c ) Using x rays of ...
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