Temperature dependence of the spin polarization of a quantum Hall ferromagnet

M. Manfra; E. Aifer; B. Goldberg; D. Broido

doi:10.1103/PhysRevB.54.R17327

Temperature dependence of the spin polarization of a quantum Hall ferromagnet

M. Manfra, E. Aifer, B. Goldberg, D. Broido

Physics and Astronomy

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

53 Scopus citations

Abstract

The absolute spin polarization of a two-dimensional electron gas has been measured as a function of temperature at the (Formula presented) quantum Hall state by magnetoabsorption spectroscopy. We find that the electrons become fully polarized as (Formula presented) and that the loss of spin polarization over the temperature regime of 500 mK to 12 K is consistent with a recently proposed continuum quantum ferromagnet model of the spin thermodynamics of the (Formula presented) quantum Hall effect state.

Original language	English (US)
Pages (from-to)	R17327-R17330
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	54
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.54.R17327
State	Published - 1996

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "The absolute spin polarization of a two-dimensional electron gas has been measured as a function of temperature at the (Formula presented) quantum Hall state by magnetoabsorption spectroscopy. We find that the electrons become fully polarized as (Formula presented) and that the loss of spin polarization over the temperature regime of 500 mK to 12 K is consistent with a recently proposed continuum quantum ferromagnet model of the spin thermodynamics of the (Formula presented) quantum Hall effect state.",

author = "M. Manfra and E. Aifer and B. Goldberg and D. Broido",

year = "1996",

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AU - Aifer, E.

AU - Goldberg, B.

AU - Broido, D.

PY - 1996

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N2 - The absolute spin polarization of a two-dimensional electron gas has been measured as a function of temperature at the (Formula presented) quantum Hall state by magnetoabsorption spectroscopy. We find that the electrons become fully polarized as (Formula presented) and that the loss of spin polarization over the temperature regime of 500 mK to 12 K is consistent with a recently proposed continuum quantum ferromagnet model of the spin thermodynamics of the (Formula presented) quantum Hall effect state.

AB - The absolute spin polarization of a two-dimensional electron gas has been measured as a function of temperature at the (Formula presented) quantum Hall state by magnetoabsorption spectroscopy. We find that the electrons become fully polarized as (Formula presented) and that the loss of spin polarization over the temperature regime of 500 mK to 12 K is consistent with a recently proposed continuum quantum ferromagnet model of the spin thermodynamics of the (Formula presented) quantum Hall effect state.

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Temperature dependence of the spin polarization of a quantum Hall ferromagnet

Abstract

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