Detection of spin polarization in quantum point contacts

Leonid P. Rokhinson; Loren N. Pfeiffer; Ken W. West

doi:10.1088/0953-8984/20/16/164212

Detection of spin polarization in quantum point contacts

Leonid P. Rokhinson
, Loren N. Pfeiffer
, Ken W. West

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We use spatial spin separation by a magnetic focusing technique to probe the polarization of quantum point contacts. The point contacts are fabricated from p-type GaAs/AlGaAs heterostructures. A finite polarization is measured in the low density regime, when the conductance of a point contact is tuned to <2e²/h. Polarization is stronger in samples with a well defined '0.7 structure'.

Original language	English (US)
Article number	164212
Journal	Journal of Physics Condensed Matter
Volume	20
Issue number	16
DOIs	https://doi.org/10.1088/0953-8984/20/16/164212
State	Published - Apr 23 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics

Access to Document

10.1088/0953-8984/20/16/164212

Cite this

@article{99978e1c53c04e6c90076ebe879bb18d,

title = "Detection of spin polarization in quantum point contacts",

abstract = "We use spatial spin separation by a magnetic focusing technique to probe the polarization of quantum point contacts. The point contacts are fabricated from p-type GaAs/AlGaAs heterostructures. A finite polarization is measured in the low density regime, when the conductance of a point contact is tuned to <2e2/h. Polarization is stronger in samples with a well defined '0.7 structure'.",

author = "Rokhinson, \{Leonid P.\} and Pfeiffer, \{Loren N.\} and West, \{Ken W.\}",

year = "2008",

month = apr,

day = "23",

doi = "10.1088/0953-8984/20/16/164212",

language = "English (US)",

volume = "20",

journal = "Journal of Physics Condensed Matter",

issn = "0953-8984",

publisher = "IOP Publishing Ltd.",

number = "16",

}

TY - JOUR

T1 - Detection of spin polarization in quantum point contacts

AU - Rokhinson, Leonid P.

AU - Pfeiffer, Loren N.

AU - West, Ken W.

PY - 2008/4/23

Y1 - 2008/4/23

N2 - We use spatial spin separation by a magnetic focusing technique to probe the polarization of quantum point contacts. The point contacts are fabricated from p-type GaAs/AlGaAs heterostructures. A finite polarization is measured in the low density regime, when the conductance of a point contact is tuned to <2e2/h. Polarization is stronger in samples with a well defined '0.7 structure'.

AB - We use spatial spin separation by a magnetic focusing technique to probe the polarization of quantum point contacts. The point contacts are fabricated from p-type GaAs/AlGaAs heterostructures. A finite polarization is measured in the low density regime, when the conductance of a point contact is tuned to <2e2/h. Polarization is stronger in samples with a well defined '0.7 structure'.

UR - https://www.scopus.com/pages/publications/42549141175

UR - https://www.scopus.com/pages/publications/42549141175#tab=citedBy

U2 - 10.1088/0953-8984/20/16/164212

DO - 10.1088/0953-8984/20/16/164212

M3 - Article

AN - SCOPUS:42549141175

SN - 0953-8984

VL - 20

JO - Journal of Physics Condensed Matter

JF - Journal of Physics Condensed Matter

IS - 16

M1 - 164212

ER -

Detection of spin polarization in quantum point contacts

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this