GR-FET application for high-frequency detection device

Akram M. Mahjoub; Alec Nicol; Takuto Abe; Takahiro Ouchi; Yuhei Iso; Michio Kida; Noboyuki Aoki; Katsuhiko Miyamoto; Takashige Omatsu; Jonathan P. Bird; David K. Ferry; Koji Ishibashi; Yuichi Ochiai

doi:10.1186/1556-276X-8-22

GR-FET application for high-frequency detection device

Akram M. Mahjoub
, Alec Nicol
, Takuto Abe
, Takahiro Ouchi
, Yuhei Iso
, Michio Kida
, Noboyuki Aoki
, Katsuhiko Miyamoto
, Takashige Omatsu
, Jonathan P. Bird
, David K. Ferry
, Koji Ishibashi
, Yuichi Ochiai

Department of Electrical Engineering

Chiba University
University of Minnesota Twin Cities
Arizona State University
RIKEN

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

2 Scopus citations

Abstract

A small forbidden gap matched to low-energy photons (meV) and a quasi-Dirac electron system are both definitive characteristics of bilayer graphene (GR) that has gained it considerable interest in realizing a broadly tunable sensor for application in the microwave region around gigahertz (GHz) and terahertz (THz) regimes. In this work, a systematic study is presented which explores the GHz/THz detection limit of both bilayer and single-layer graphene field-effect transistor (GR-FET) devices. Several major improvements to the wiring setup, insulation architecture, graphite source, and bolometric heating of the GR-FET sensor were made in order to extend microwave photoresponse past previous reports of 40 GHz and to further improve THz detection.

Original language	English
Article number	22
Pages (from-to)	1-8
Number of pages	8
Journal	Nanoscale Research Letters
Volume	8
Issue number	1
DOIs	https://doi.org/10.1186/1556-276X-8-22
State	Published - 2013

Keywords

Ambient condition
Bolometric effect
Frequency response
Graphene
Microwave application
Nonlinear effect
Terahertz detection

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10.1186/1556-276X-8-22

Cite this

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title = "GR-FET application for high-frequency detection device",

abstract = "A small forbidden gap matched to low-energy photons (meV) and a quasi-Dirac electron system are both definitive characteristics of bilayer graphene (GR) that has gained it considerable interest in realizing a broadly tunable sensor for application in the microwave region around gigahertz (GHz) and terahertz (THz) regimes. In this work, a systematic study is presented which explores the GHz/THz detection limit of both bilayer and single-layer graphene field-effect transistor (GR-FET) devices. Several major improvements to the wiring setup, insulation architecture, graphite source, and bolometric heating of the GR-FET sensor were made in order to extend microwave photoresponse past previous reports of 40 GHz and to further improve THz detection.",

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AU - Nicol, Alec

AU - Abe, Takuto

AU - Ouchi, Takahiro

AU - Iso, Yuhei

AU - Kida, Michio

AU - Aoki, Noboyuki

AU - Miyamoto, Katsuhiko

AU - Omatsu, Takashige

AU - Bird, Jonathan P.

AU - Ferry, David K.

AU - Ishibashi, Koji

AU - Ochiai, Yuichi

PY - 2013

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AB - A small forbidden gap matched to low-energy photons (meV) and a quasi-Dirac electron system are both definitive characteristics of bilayer graphene (GR) that has gained it considerable interest in realizing a broadly tunable sensor for application in the microwave region around gigahertz (GHz) and terahertz (THz) regimes. In this work, a systematic study is presented which explores the GHz/THz detection limit of both bilayer and single-layer graphene field-effect transistor (GR-FET) devices. Several major improvements to the wiring setup, insulation architecture, graphite source, and bolometric heating of the GR-FET sensor were made in order to extend microwave photoresponse past previous reports of 40 GHz and to further improve THz detection.

KW - Ambient condition

KW - Bolometric effect

KW - Frequency response

KW - Graphene

KW - Microwave application

KW - Nonlinear effect

KW - Terahertz detection

UR - https://www.scopus.com/pages/publications/84875127210

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JO - Nanoscale Research Letters

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ER -

GR-FET application for high-frequency detection device

Abstract

Keywords

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