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- Title
Capacitance spectroscopy investigation of the spin polarization of two-dimensional electronic systems.
- Authors
Dorozhkin, S. I.; Dorokhova, M. O.; Haug, R. J.; Ploog, K.
- Abstract
It is shown that capacitance spectroscopy can be used to investigate the spin polarization of two-dimensional electronic systems (2DESs). We employed this method to investigate the spin polarization of 2DESs in a GaAs/AlGaAs heterojunction for filling factors of the magnetic-quantization levels 0.28<ν<0.9. It is proved that in the presence of states of the fractional quantum Hall effect with ν[sub f]=1/3 and 2/3 the ground state of a 2DES with ν>2/3 is incompletely spin-polarized. © 1997 American Institute of Physics.
- Subjects
SEMICONDUCTOR junctions; GALLIUM arsenide semiconductors; ALUMINUM compounds; QUANTUM Hall effect
- Publication
JETP Letters, 1997, Vol 65, Issue 1, p108
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567334