Angular dependent cyclotron resonance of two-dimensional electron gas in GaAs/AlGaAs quantum wells in high magnetic fields up to 150 T

H. Arimoto; T. Saku; Y. Hirayama; N. Miura

doi:10.1016/S0921-4526(98)00669-3

Angular dependent cyclotron resonance of two-dimensional electron gas in GaAs/AlGaAs quantum wells in high magnetic fields up to 150 T

H. Arimoto, T. Saku, Y. Hirayama, N. Miura

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

Abstract

We have observed angular dependent cyclotron resonance (CR) of two-dimensional electrons confined in GaAs/Al-GaAs multi quantum wells in ultra high magnetic fields up to 150 T generated by the single-turn coil technique. We changed the tilt angle between the magnetic fields and the direction normal to the two-dimensional plane. Three samples with different well widths and aluminum concentrations of barrier layers were measured. We found four different types of angular dependence of CR and interpreted these comprehensively on the basis of the relations among barrier height energy V_b, subband spacing energy E₁₀ and cyclotron energy ℏω_c.

Original language	English
Pages (from-to)	343-346
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	256-258
DOIs	https://doi.org/10.1016/S0921-4526(98)00669-3
Publication status	Published - 1998 Dec 2
Externally published	Yes

Keywords

Cyclotron resonance
Hysteresis
Subband-Landau-level coupling
Tilted magnetic field

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(98)00669-3

Cite this

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title = "Angular dependent cyclotron resonance of two-dimensional electron gas in GaAs/AlGaAs quantum wells in high magnetic fields up to 150 T",

abstract = "We have observed angular dependent cyclotron resonance (CR) of two-dimensional electrons confined in GaAs/Al-GaAs multi quantum wells in ultra high magnetic fields up to 150 T generated by the single-turn coil technique. We changed the tilt angle between the magnetic fields and the direction normal to the two-dimensional plane. Three samples with different well widths and aluminum concentrations of barrier layers were measured. We found four different types of angular dependence of CR and interpreted these comprehensively on the basis of the relations among barrier height energy Vb, subband spacing energy E10 and cyclotron energy ℏωc.",

keywords = "Cyclotron resonance, Hysteresis, Subband-Landau-level coupling, Tilted magnetic field",

author = "H. Arimoto and T. Saku and Y. Hirayama and N. Miura",

year = "1998",

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doi = "10.1016/S0921-4526(98)00669-3",

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volume = "256-258",

pages = "343--346",

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TY - JOUR

T1 - Angular dependent cyclotron resonance of two-dimensional electron gas in GaAs/AlGaAs quantum wells in high magnetic fields up to 150 T

AU - Arimoto, H.

AU - Saku, T.

AU - Hirayama, Y.

AU - Miura, N.

PY - 1998/12/2

Y1 - 1998/12/2

N2 - We have observed angular dependent cyclotron resonance (CR) of two-dimensional electrons confined in GaAs/Al-GaAs multi quantum wells in ultra high magnetic fields up to 150 T generated by the single-turn coil technique. We changed the tilt angle between the magnetic fields and the direction normal to the two-dimensional plane. Three samples with different well widths and aluminum concentrations of barrier layers were measured. We found four different types of angular dependence of CR and interpreted these comprehensively on the basis of the relations among barrier height energy Vb, subband spacing energy E10 and cyclotron energy ℏωc.

AB - We have observed angular dependent cyclotron resonance (CR) of two-dimensional electrons confined in GaAs/Al-GaAs multi quantum wells in ultra high magnetic fields up to 150 T generated by the single-turn coil technique. We changed the tilt angle between the magnetic fields and the direction normal to the two-dimensional plane. Three samples with different well widths and aluminum concentrations of barrier layers were measured. We found four different types of angular dependence of CR and interpreted these comprehensively on the basis of the relations among barrier height energy Vb, subband spacing energy E10 and cyclotron energy ℏωc.

KW - Cyclotron resonance

KW - Hysteresis

KW - Subband-Landau-level coupling

KW - Tilted magnetic field

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U2 - 10.1016/S0921-4526(98)00669-3

DO - 10.1016/S0921-4526(98)00669-3

M3 - Article

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SN - 0921-4526

VL - 256-258

SP - 343

EP - 346

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

ER -

Angular dependent cyclotron resonance of two-dimensional electron gas in GaAs/AlGaAs quantum wells in high magnetic fields up to 150 T

Abstract

Keywords

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