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Your search keyword '"SPIN polarization"' showing total 2 results
Start Over Descriptor "SPIN polarization" Topic electric conductivity Topic physics
2 results on '"SPIN polarization"'

1. MAGNETIZATION AND MAGNETIC PHASES OF CONDUCTION-BAND DILUTE-MAGNETIC-SEMICONDUCTOR QUANTUM WELLS WITH NON-STEP-LIKE DENSITY OF STATES.

Author

Simserides, Constantinos

Subjects
*MAGNETIC semiconductors, *SPINTRONICS, *MAGNETIC fields, *MAGNETIZATION, *QUANTUM wells, *CONDUCTION bands, *ELECTRIC conductivity, *PHYSICS
Abstract

We study the magnetization and the magnetic phases of II-VI-based n-doped nonmagnetic- semiconductor (NMS) / narrow to wide dilute-magnetic-semiconductor (DMS) / n-doped NMS quantum wells under in-plane magnetic field. The parallel magnetic field is used as a tool, in order to achieve non-step-like density of states in these -appropriate for conduction-band spintronics- structures. [ABSTRACT FROM AUTHOR]

Published
2004
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2. Spontaneous spin polarization in quantum point contacts.

Author

Rokhinson, L. P., Pfeiffer, L. N., and West, K. W.

Subjects
*QUANTUM theory, *ELECTRIC conductivity, *POLARIZATION (Electricity), *CONDUCTION bands, *PHYSICS
Abstract

We investigate ballistic transport in quantum point contacts fabricated from high mobility two-dimensional hole gas. At low temperatures conductance quantization in units of 2e2/h is observed. Incorporation of point contacts into a magnetic focusing device allows us to measure relative population of the spin subbands. While both subbands are found to be equally populated at the 2e2/h plateau, there is a finite polarization when conductance is < 2e2/h. Polarization is stronger in samples with well defined “0.7 structure”. © 2007 American Institute of Physics [ABSTRACT FROM AUTHOR]

Published
2007
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