Polar heterojunction interfaces

作者: W. A. Harrison , E. A. Kraut , J. R. Waldrop , R. W. Grant

DOI: 10.1103/PHYSREVB.18.4402

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摘要: A study of heterojunction interface geometry based on our measured differences in 3 d core-state binding energies for germanium and gallium at Ge-GaAs heterojunctions of different crystallographic orientations is reported. For the interfaces which have been studied, ie,(110),(100) Ga,(100) As,(111) Ga, and (1 1 1) As, orientation-dependent variations in dipole contributions to valence-band discontinuities of about 0.2 eV have been observed. From electrostatic considerations we deduce the simplest interface geometries consistent …

参考文章(8)
Walter A. Harrison, Elementary theory of heterojunctions Journal of Vacuum Science and Technology. ,vol. 14, pp. 1016- 1021 ,(1977) , 10.1116/1.569312
Warren E. Pickett, Steven G. Louie, Marvin L. Cohen, Ge-GaAs (110) Interface: A Self-Consistent Calculation of Interface States and Electronic Structure Physical Review Letters. ,vol. 39, pp. 109- 112 ,(1977) , 10.1103/PHYSREVLETT.39.109
W. R. Frensley, H. Kroemer, Theory of the energy-band lineup at an abrupt semiconductor heterojunction Physical Review B. ,vol. 16, pp. 2642- 2652 ,(1977) , 10.1103/PHYSREVB.16.2642
R. W. Grant, J. R. Waldrop, E. A. Kraut, Observation of the Orientation Dependence of Interface Dipole Energies in Ge-GaAs Physical Review Letters. ,vol. 40, pp. 656- 659 ,(1978) , 10.1103/PHYSREVLETT.40.656
Walter A. Harrison, Bond-Orbital Model and the Properties of Tetrahedrally Coordinated Solids Physical Review B. ,vol. 8, pp. 4487- 4498 ,(1973) , 10.1103/PHYSREVB.8.4487
G. A. Baraff, Joel A. Appelbaum, D. R. Hamann, Self-Consistent Calculation of the Electronic Structure at an Abrupt GaAs-Ge Interface Physical Review Letters. ,vol. 38, pp. 237- 240 ,(1977) , 10.1103/PHYSREVLETT.38.237
G. A. Baraff, Joel A. Appelbaum, D. R. Hamann, Electronic structure at an abrupt GaAs–Ge interface Journal of Vacuum Science and Technology. ,vol. 14, pp. 999- 1005 ,(1977) , 10.1116/1.569411
Walter A. Harrison, Effective charges and piezoelectricity Physical Review B. ,vol. 10, pp. 767- 770 ,(1974) , 10.1103/PHYSREVB.10.767