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Electron Beam Induced Current Characterization of Novel GaAs Quantum Nanostructures Based on Potential Modulation of Two-Dimensional Electron Gas by Schottky In-Plane Gates

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Title: Electron Beam Induced Current Characterization of Novel GaAs Quantum Nanostructures Based on Potential Modulation of Two-Dimensional Electron Gas by Schottky In-Plane Gates
Authors: Kasai, Seiya Browse this author →KAKEN DB
Hashizume, Tamotsu Browse this author →KAKEN DB
Hasegawa, Hideki Browse this author
Keywords: electron beam induced current (EBIC)
Schottky in-plane gate (IPG)
quantum nanostructure
quantum wire
multi-dot chain
lateral superlattice
electric field profile
Issue Date: Dec-1996
Publisher: Japan Society of Applied Physics
Journal Title: Japanese Journal of Applied Physics. Pt. 1, Regular papers, short notes & review papers
Volume: 35
Issue: 12B
Start Page: 6652
End Page: 6658
Publisher DOI: 10.1143/JJAP.35.6652
Abstract: The electron beam induced current (EBIC) technique was used for characterization of novel GaAs quantum nanostructures based on potential modulation of two dimensional electron gas (2DEG) by Schottky in-plane gates (IPGs). A simple theory on the EBIC signal from the basic Schottky IPG structure was developed and it was compared to experimental results. Excellent agreement is between theoretical and experimental results was obtained, indicating that the EBIC technique is a powerful means to detect electric field profiles in depletion layers of quantum nanostructures. The EBIC technique was also applied to Schottky IPG-based quantum wires, lateral superlattices and multi-quantum dot chains. The EBIC study revealed that effective potential control and electron confinement can be achieved by suitable design of Schottky IPG electrodes.
Rights: Copyright © 1996 The Japan Society of Applied Physics
Type: article (author version)
URI: http://hdl.handle.net/2115/33086
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 葛西 誠也

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