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10. Appendix

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Subject Index<br />

A<br />

·-Sn (gray tin) 95<br />

– phonon dispersion 120<br />

ab initio calculation 333<br />

ABCs (additional boundary conditions) 364<br />

Abelian groups 26<br />

Absorption 244<br />

– above the fundamental edge 315<br />

– by bound carriers 311<br />

– by free carriers 307<br />

– coefficient 246<br />

– in GaAs/AlGaAs quantum wells (QW) 371<br />

Absorption edge<br />

– direct 265, 273<br />

– indirect 265, 268–269<br />

– Tauc 567<br />

Absorption spectra<br />

– excitons 283, 286, 287<br />

– P in Si 311, 312<br />

Ac amplifier 228<br />

Acceptors 160<br />

– double 160<br />

Acceptor level<br />

– binding energies 180<br />

– diamond- and zincblende-type<br />

semiconductors 174<br />

– energy levels calculated with Baldereschi-<br />

Lipari Hamiltonian 181<br />

– one spherical band approximation 176<br />

Acoustic impedances 500<br />

Acoustic phonon 43, 110, 370<br />

– electron acoustic-phonon scattering 227<br />

– in Cu 2O 137<br />

– in layered structures 495<br />

– Raman scattering 426<br />

Adatoms 458<br />

Additional boundary conditions 364<br />

Adiabatic approximation 19, 107, 291<br />

– for impurity levels 172<br />

Adiabatic bond charge model 119, 120<br />

– phonon dispersion curves 111<br />

AES (Auger electron spectroscopy) 9<br />

AgGaS 2 4<br />

Airy function 323<br />

AlGaAs<br />

– direct bandgap 223<br />

Al K · line excitation for XPS 436<br />

AlAs phonon dispersion 495<br />

AlSb Raman spectra 389<br />

Amorphous semiconductors 226, 253<br />

– absorption spectra 567<br />

– amorphous Ge 566, 568<br />

– amorphous Si 303, 568<br />

– – doping effect of hydrogen 568<br />

– – preparation 568<br />

– defect density in gap 568<br />

– optical properties 566<br />

– short range order 566<br />

– wave vector nonconservation 259<br />

Angle-integrated photoemission 435<br />

Angle-resolved photoelectron spectroscopy<br />

(ARPES) 435<br />

Angular resolved photoemission<br />

– photoelectron spectra 43<br />

– prehistory 574<br />

Angular frequency 247<br />

Angular momentum 166<br />

Angular resolution in photoemission 443<br />

Anharmonic interactions in two-phonon<br />

absorption 303<br />

Anharmonicity 157<br />

Anti-Stokes Raman shift 377<br />

Anti-crossing 298, 338, 513<br />

Anti-Stokes Raman scattering 377, 384<br />

Antibonding orbital 84<br />

Antibonding states 70<br />

Antiferromagnetism 4<br />

Antisite defect 160<br />

Appearance potential spectroscopy (APS) 428<br />

ARPES (Angle-resolved photoemission<br />

spectroscopy) 443, 445, 559<br />

– normal emission 447<br />

Arrhenius plots 355<br />

Arsine 7<br />

As 2Se 3 5<br />

Associated Laguerre polynomials 281<br />

Asymmetric QW 480<br />

Atomic units 285, 286, 291, 336<br />

– effective 176

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