Spin-Filter Device Based on the Rashba Effect Using a Nonmagnetic Resonant Tunneling Diode


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/14702

Title:	Spin-Filter Device Based on the Rashba Effect Using a Nonmagnetic Resonant Tunneling Diode
Authors:	Koga, Takaaki Browse this author →KAKEN DB
	Nitta, Junsaku Browse this author
	Takayanagi, Hideaki Browse this author
	Datta, Supriyo Browse this author
Issue Date:	2002
Publisher:	American Physical Society
Journal Title:	Physical Review Letters
Volume:	88
Issue:	12
Start Page:	126601-1
End Page:	126601-4
Publisher DOI:	10.1103/PhysRevLett.88.126601
Abstract:	We propose an electronic spin-filter device that uses a nonmagnetic triple barrier resonant tunneling diode (TB-RTD). This device combines the spin-split resonant tunneling levels induced by the Rashba spin-orbit interaction and the spin blockade phenomena between two regions separated by the middle barrier in the TB-RTD. Detailed calculations using the InAlAs/InGaAs material system reveal that a splitting of a peak should be observed in the I-V curve of this device as a result of the spin-filtering effect. The filtering efficiency exceeds 99.9% at the peak positions in the I-V curve.
Rights:	Copyright © 2002 American Physical Society
Relation:	http://www.aps.org/
Type:	article
URI:	http://hdl.handle.net/2115/14702
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: 古賀貴亮

OAI-PMH ( junii2 , jpcoar_1.0 )

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