Millimeter wave transmission spectroscopy of gated two-dimensional hole systems | Zendy

Kevin H. Stone | Zendy; Rui-Rui Du | Zendy; Michael J. Manfra | Zendy; L. N. Pfeiffer | Zendy; K. W. West | Zendy

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Millimeter wave transmission spectroscopy of gated two-dimensional hole systems

Author(s) -

Kevin H. Stone,

Rui-Rui Du,

Michael J. Manfra,

L. N. Pfeiffer,

K. W. West

Publication year - 2012

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4711772

Subject(s) - cyclotron resonance , extremely high frequency , millimeter , cyclotron , transmission (telecommunications) , scattering , materials science , dielectric , spectroscopy , signal (programming language) , optoelectronics , optics , physics , electron , telecommunications , quantum mechanics , computer science , programming language

We developed a differential transmission to study cyclotron resonance of GaAs/AlxGa1 xAstwo-dimensional hole samples. The technique utilizes a modulated AuPd gate isolated by a Si3N4dielectric from the sample, which is irradiated opposite the gate by millimeter waves ranging from2 to 40GHz. This technique effectively removes the background signal and yields a hole effectivemass of 0:41me with a cyclotron scattering time of 20 ps, consistent with the previous results usingdifferent techniques

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