Millimeter wave transmission spectroscopy of gated two-dimensional hole systems

K. Stone; R. R. Du; M. J. Manfra; L. N. Pfeiffer; K. W. West

doi:10.1063/1.4711772

Millimeter wave transmission spectroscopy of gated two-dimensional hole systems

K. Stone, R. R. Du, M. J. Manfra, L. N. Pfeiffer, K. W. West

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2 Scopus citations

Abstract

We developed a differential transmission to study cyclotron resonance of GaAs/Al _xGa _1-xAs two-dimensional hole samples. The technique utilizes a modulated AuPd gate isolated by a Si ₃ N ₄ dielectric from the sample, which is irradiated opposite the gate by millimeter waves ranging from 2 to 40 GHz. This technique effectively removes the background signal and yields a hole effective mass of 0. 41 m e with a cyclotron scattering time of ∼20 ps, consistent with the previous results using different techniques.

Original language	English (US)
Article number	192104
Journal	Applied Physics Letters
Volume	100
Issue number	19
DOIs	https://doi.org/10.1063/1.4711772
State	Published - May 7 2012
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4711772

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title = "Millimeter wave transmission spectroscopy of gated two-dimensional hole systems",

abstract = "We developed a differential transmission to study cyclotron resonance of GaAs/Al xGa 1-xAs two-dimensional hole samples. The technique utilizes a modulated AuPd gate isolated by a Si 3 N 4 dielectric from the sample, which is irradiated opposite the gate by millimeter waves ranging from 2 to 40 GHz. This technique effectively removes the background signal and yields a hole effective mass of 0. 41 m e with a cyclotron scattering time of ∼20 ps, consistent with the previous results using different techniques.",

author = "K. Stone and Du, {R. R.} and Manfra, {M. J.} and Pfeiffer, {L. N.} and West, {K. W.}",

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journal = "Applied Physics Letters",

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T1 - Millimeter wave transmission spectroscopy of gated two-dimensional hole systems

AU - Stone, K.

AU - Du, R. R.

AU - Manfra, M. J.

AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 2012/5/7

Y1 - 2012/5/7

N2 - We developed a differential transmission to study cyclotron resonance of GaAs/Al xGa 1-xAs two-dimensional hole samples. The technique utilizes a modulated AuPd gate isolated by a Si 3 N 4 dielectric from the sample, which is irradiated opposite the gate by millimeter waves ranging from 2 to 40 GHz. This technique effectively removes the background signal and yields a hole effective mass of 0. 41 m e with a cyclotron scattering time of ∼20 ps, consistent with the previous results using different techniques.

AB - We developed a differential transmission to study cyclotron resonance of GaAs/Al xGa 1-xAs two-dimensional hole samples. The technique utilizes a modulated AuPd gate isolated by a Si 3 N 4 dielectric from the sample, which is irradiated opposite the gate by millimeter waves ranging from 2 to 40 GHz. This technique effectively removes the background signal and yields a hole effective mass of 0. 41 m e with a cyclotron scattering time of ∼20 ps, consistent with the previous results using different techniques.

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DO - 10.1063/1.4711772

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 19

M1 - 192104

ER -

Millimeter wave transmission spectroscopy of gated two-dimensional hole systems

Abstract

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