Detection of anomalous Hall voltages in ultrahigh-mobility two-dimensional hole gases generated by optical spin orientation

D. A. Vasyukov; A. S. Plaut; M. Henini; L. N. Pfeiffer; K. W. West; C. A. Nicoll; I. Farrer; D. A. Ritchie

doi:10.1103/PhysRevB.91.201406

Detection of anomalous Hall voltages in ultrahigh-mobility two-dimensional hole gases generated by optical spin orientation

D. A. Vasyukov
, A. S. Plaut
, M. Henini
, L. N. Pfeiffer
, K. W. West
, C. A. Nicoll
, I. Farrer
, D. A. Ritchie

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

Abstract

By combining optical spin orientation and an externally applied longitudinal electric field, transverse charge accumulation has been detected in very high-mobility two-dimensional hole gases by measuring the transverse voltage drop across simple Hall devices. Our results indicate intrinsic band-structure (rather than extrinsic skew scattering) derived spin-orbit coupling as the underlying mechanism of this spin-polarized transport effect.

Original language	English (US)
Article number	201406
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.91.201406
State	Published - May 15 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.91.201406

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Vasyukov, D. A., Plaut, A. S., Henini, M., Pfeiffer, L. N., West, K. W., Nicoll, C. A., Farrer, I., & Ritchie, D. A. (2015). Detection of anomalous Hall voltages in ultrahigh-mobility two-dimensional hole gases generated by optical spin orientation. Physical Review B - Condensed Matter and Materials Physics, 91(20), Article 201406. https://doi.org/10.1103/PhysRevB.91.201406

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abstract = "By combining optical spin orientation and an externally applied longitudinal electric field, transverse charge accumulation has been detected in very high-mobility two-dimensional hole gases by measuring the transverse voltage drop across simple Hall devices. Our results indicate intrinsic band-structure (rather than extrinsic skew scattering) derived spin-orbit coupling as the underlying mechanism of this spin-polarized transport effect.",

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doi = "10.1103/PhysRevB.91.201406",

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AU - Vasyukov, D. A.

AU - Plaut, A. S.

AU - Henini, M.

AU - Pfeiffer, L. N.

AU - West, K. W.

AU - Nicoll, C. A.

AU - Farrer, I.

AU - Ritchie, D. A.

PY - 2015/5/15

Y1 - 2015/5/15

N2 - By combining optical spin orientation and an externally applied longitudinal electric field, transverse charge accumulation has been detected in very high-mobility two-dimensional hole gases by measuring the transverse voltage drop across simple Hall devices. Our results indicate intrinsic band-structure (rather than extrinsic skew scattering) derived spin-orbit coupling as the underlying mechanism of this spin-polarized transport effect.

AB - By combining optical spin orientation and an externally applied longitudinal electric field, transverse charge accumulation has been detected in very high-mobility two-dimensional hole gases by measuring the transverse voltage drop across simple Hall devices. Our results indicate intrinsic band-structure (rather than extrinsic skew scattering) derived spin-orbit coupling as the underlying mechanism of this spin-polarized transport effect.

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Detection of anomalous Hall voltages in ultrahigh-mobility two-dimensional hole gases generated by optical spin orientation

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