Hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs 2D electrons

E. P. De Poortere; E. Tutuc; M. Shayegan

doi:10.1016/S1386-9477(01)00301-0

Hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs 2D electrons

E. P. De Poortere, E. Tutuc, M. Shayegan

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

4 Scopus citations

Abstract

We report hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs two-dimensional electrons. The observed magnetic hysteresis depends sensitively on the electron occupation of the two energy levels crossing at the transition. Temperature-dependent measurements show that the resistance spikes at the transition are not activated, in contrast to the resistance minima away from the transition, which follow an Arrhenius behavior.

Original language	English (US)
Pages (from-to)	36-38
Number of pages	3
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	12
Issue number	1-4
DOIs	https://doi.org/10.1016/S1386-9477(01)00301-0
State	Published - Jan 2002
Event	14th International Conference on the - Prague, Czech Republic Duration: Jul 30 2001 → Aug 3 2001

All Science Journal Classification (ASJC) codes

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

Keywords

2D electron system
Aluminum arsenide
Quantum Hall ferromagnets
Resistance spikes

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10.1016/S1386-9477(01)00301-0

Cite this

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title = "Hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs 2D electrons",

abstract = "We report hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs two-dimensional electrons. The observed magnetic hysteresis depends sensitively on the electron occupation of the two energy levels crossing at the transition. Temperature-dependent measurements show that the resistance spikes at the transition are not activated, in contrast to the resistance minima away from the transition, which follow an Arrhenius behavior.",

keywords = "2D electron system, Aluminum arsenide, Quantum Hall ferromagnets, Resistance spikes",

author = "{De Poortere}, {E. P.} and E. Tutuc and M. Shayegan",

note = "Funding Information: This work was supported by the NSF and the von Humboldt foundation. We thank E. Palm and T. Murphy for their help with experiments performed at the Florida NHMFL, which is also supported by the NSF.; 14th International Conference on the ; Conference date: 30-07-2001 Through 03-08-2001",

year = "2002",

month = jan,

doi = "10.1016/S1386-9477(01)00301-0",

language = "English (US)",

volume = "12",

pages = "36--38",

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

issn = "1386-9477",

publisher = "Elsevier",

number = "1-4",

}

TY - JOUR

T1 - Hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs 2D electrons

AU - De Poortere, E. P.

AU - Tutuc, E.

AU - Shayegan, M.

N1 - Funding Information: This work was supported by the NSF and the von Humboldt foundation. We thank E. Palm and T. Murphy for their help with experiments performed at the Florida NHMFL, which is also supported by the NSF.

PY - 2002/1

Y1 - 2002/1

N2 - We report hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs two-dimensional electrons. The observed magnetic hysteresis depends sensitively on the electron occupation of the two energy levels crossing at the transition. Temperature-dependent measurements show that the resistance spikes at the transition are not activated, in contrast to the resistance minima away from the transition, which follow an Arrhenius behavior.

AB - We report hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs two-dimensional electrons. The observed magnetic hysteresis depends sensitively on the electron occupation of the two energy levels crossing at the transition. Temperature-dependent measurements show that the resistance spikes at the transition are not activated, in contrast to the resistance minima away from the transition, which follow an Arrhenius behavior.

KW - 2D electron system

KW - Aluminum arsenide

KW - Quantum Hall ferromagnets

KW - Resistance spikes

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U2 - 10.1016/S1386-9477(01)00301-0

DO - 10.1016/S1386-9477(01)00301-0

M3 - Conference article

AN - SCOPUS:0035239603

SN - 1386-9477

VL - 12

SP - 36

EP - 38

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

IS - 1-4

T2 - 14th International Conference on the

Y2 - 30 July 2001 through 3 August 2001

ER -

Hysteretic resistance spikes at transitions between quantum Hall ferromagnets in AlAs 2D electrons

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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