10. Appendix
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– – vs T 222<br />
– temperature dependence 221<br />
Mobility edge<br />
– in amorphous semiconductors 539<br />
– in QHE 539<br />
MODFET 225<br />
Modified Airy function 325<br />
Modulation doping 223<br />
Modulation of critical points 340<br />
Modulation spectroscopy 315, 316<br />
Molecular beam epitaxy (MBE) 9, 469<br />
Molecular orbitals 83<br />
Momentum relaxation time 209, 228<br />
Monochromators 250<br />
Monte Carlo simulation 209, 221<br />
MoS 2 3<br />
Mott transition 355<br />
Multiple quantum well (MQW, see also quantum<br />
wells) 473<br />
– classification 478<br />
Multichannel detectors 250, 386<br />
Multiphonon lattice absorption 299<br />
Multiphonon Raman scattering<br />
– cascade model 413<br />
– in CdS 414<br />
– multiplication of representations 25<br />
N<br />
Nanocrystals 351<br />
Nanostructures 469<br />
Native defect 160<br />
Nd:YAG laser 385<br />
Nearly-free-electron model 48<br />
Nearly-free-electron wavefunctions in zincblende<br />
crystals 43<br />
Negative differential resistance (NDR) 227, 228,<br />
526, 580<br />
Negative U 182<br />
Nipi structure 477<br />
Nitrogen in GaAs, GaAsP 192–197<br />
Nobel laureates 3, 67, 110, 228, 375, 432, 433,<br />
458, 470, 477, 545<br />
Non-symmorphic groups 28, 31<br />
Nonequilibrium carriers 225<br />
Nonlinear optical processes 244<br />
Nonlocal dielectric response 245<br />
Nonlocal pseudopotential 53<br />
Nonparabolic bands 339<br />
Nonparabolicity constant 340<br />
Nonradiative recombination rate 352<br />
Nonradiative traps 349<br />
Normal modes (phonons) 109<br />
Normal scattering process 216<br />
Notch filter 386<br />
O<br />
O h point group 38<br />
– basis function 39<br />
– character table 38<br />
One-phonon Raman spectra in GaAs, InP, AlSb,<br />
Si 389<br />
One-step photoemission model 439<br />
Onsager relations 245<br />
Optical absorption at indirect bandgaps 136,<br />
271<br />
Optical axis 246<br />
Optical deformation potential d 0 calculated with<br />
the tight-binding model 153<br />
Optical mass 339<br />
Optical modulators 4<br />
Optical penetration depth 247<br />
Optical phonon 43, 110<br />
– deformation potential 132<br />
– dependence on strain 339<br />
– scattering 227<br />
Optical spectra of semiconductors 243<br />
– energy of prominent structures 268<br />
Orbital angular momentum 71<br />
Order of a group 33<br />
Organic semiconductors 4<br />
Orthogonality relation for characters 35, 45<br />
Oscillator strength 261<br />
– giant 407<br />
Outgoing Raman resonance 403<br />
– in GaSe 406<br />
Overlap parameter 83–84, 151<br />
– dependence on nearest-neighbor distances<br />
94<br />
– tight binding 95<br />
– universal 94<br />
Overtone scattering 377<br />
P<br />
Parametric process 377<br />
Parity 38<br />
– forbidden transitions 276<br />
– selection rule 70<br />
– – for phonons in Ge, Si 302<br />
Partial density-of-states 189<br />
Particle confined in a one-dimensional square<br />
well 481<br />
Pauli spin matrices 72<br />
Subject Index 767