Spin-polarized quantum transport and magnetic field-dependent carrier density in magnetic two-dimensional electron gases

R. Knobel; N. Samarth; S. A. Crooker; D. D. Awschalom

doi:10.1016/S1386-9477(99)00238-6

Spin-polarized quantum transport and magnetic field-dependent carrier density in magnetic two-dimensional electron gases

R. Knobel, N. Samarth, S. A. Crooker, D. D. Awschalom

Research output: Contribution to journal › Conference article › peer-review

17 Scopus citations

Abstract

Low-temperature magneto-transport and magneto-photoluminescence measurements are reported in magnetic two-dimensional electron gas samples formed by modulation doping shallow (Zn,Cd,Mn)Se single quantum wells. The small Fermi energy (approximately 1-2 meV) and large exchange-induced spin splitting (approximately 10 meV) results in a completely spin-polarized electron gas at filling factors as high as v = 12. Further, the spin splitting significantly perturbs the confinement potential, resulting in a magnetic field-dependent carrier density.

Original language	English (US)
Pages (from-to)	786-789
Number of pages	4
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	6
Issue number	1
DOIs	https://doi.org/10.1016/S1386-9477(99)00238-6
State	Published - Feb 2000
Event	13th International Conference on the Electronic Properties of Two-Dimensional Systems (EP2DS-13) - Ottawa, Ont, Can Duration: Aug 1 1999 → Aug 6 1999

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1016/S1386-9477(99)00238-6

Cite this

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title = "Spin-polarized quantum transport and magnetic field-dependent carrier density in magnetic two-dimensional electron gases",

abstract = "Low-temperature magneto-transport and magneto-photoluminescence measurements are reported in magnetic two-dimensional electron gas samples formed by modulation doping shallow (Zn,Cd,Mn)Se single quantum wells. The small Fermi energy (approximately 1-2 meV) and large exchange-induced spin splitting (approximately 10 meV) results in a completely spin-polarized electron gas at filling factors as high as v = 12. Further, the spin splitting significantly perturbs the confinement potential, resulting in a magnetic field-dependent carrier density.",

author = "R. Knobel and N. Samarth and Crooker, {S. A.} and Awschalom, {D. D.}",

note = "Funding Information: This work was supported by Grants ONR N00014-99-1-0077 and -0071, and NSF DMR 97-01072 and -01484. ; 13th International Conference on the Electronic Properties of Two-Dimensional Systems (EP2DS-13) ; Conference date: 01-08-1999 Through 06-08-1999",

year = "2000",

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doi = "10.1016/S1386-9477(99)00238-6",

language = "English (US)",

volume = "6",

pages = "786--789",

journal = "Physica E: Low-Dimensional Systems and Nanostructures",

issn = "1386-9477",

publisher = "Elsevier B.V.",

number = "1",

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TY - JOUR

T1 - Spin-polarized quantum transport and magnetic field-dependent carrier density in magnetic two-dimensional electron gases

AU - Knobel, R.

AU - Samarth, N.

AU - Crooker, S. A.

AU - Awschalom, D. D.

N1 - Funding Information: This work was supported by Grants ONR N00014-99-1-0077 and -0071, and NSF DMR 97-01072 and -01484.

PY - 2000/2

Y1 - 2000/2

N2 - Low-temperature magneto-transport and magneto-photoluminescence measurements are reported in magnetic two-dimensional electron gas samples formed by modulation doping shallow (Zn,Cd,Mn)Se single quantum wells. The small Fermi energy (approximately 1-2 meV) and large exchange-induced spin splitting (approximately 10 meV) results in a completely spin-polarized electron gas at filling factors as high as v = 12. Further, the spin splitting significantly perturbs the confinement potential, resulting in a magnetic field-dependent carrier density.

AB - Low-temperature magneto-transport and magneto-photoluminescence measurements are reported in magnetic two-dimensional electron gas samples formed by modulation doping shallow (Zn,Cd,Mn)Se single quantum wells. The small Fermi energy (approximately 1-2 meV) and large exchange-induced spin splitting (approximately 10 meV) results in a completely spin-polarized electron gas at filling factors as high as v = 12. Further, the spin splitting significantly perturbs the confinement potential, resulting in a magnetic field-dependent carrier density.

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U2 - 10.1016/S1386-9477(99)00238-6

DO - 10.1016/S1386-9477(99)00238-6

M3 - Conference article

AN - SCOPUS:0034139141

SN - 1386-9477

VL - 6

SP - 786

EP - 789

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

IS - 1

T2 - 13th International Conference on the Electronic Properties of Two-Dimensional Systems (EP2DS-13)

Y2 - 1 August 1999 through 6 August 1999

ER -

Spin-polarized quantum transport and magnetic field-dependent carrier density in magnetic two-dimensional electron gases

Abstract

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