Ferromagnetic self-assembled quantum dots on semiconductor nanowires

Dinna G. Ramlan; Steven J. May; Jian Guo Zheng; Jonathan E. Allen; Bruce W. Wessels; Lincoln J. Lauhon

doi:10.1021/nl0519276

Ferromagnetic self-assembled quantum dots on semiconductor nanowires

Dinna G. Ramlan, Steven J. May, Jian Guo Zheng, Jonathan E. Allen, Bruce W. Wessels, Lincoln J. Lauhon^*

^*Corresponding author for this work

Materials Science and Engineering

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

56 Scopus citations

Abstract

Ferromagnetic self-assembled α-MnAs quantum dots (QD) were grown epitaxially on metal catalyst-grown InAs nanowires (NW) by chemical vapor deposition. Magnetic force microscopy measurements demonstrated that the QDs are stable, single-domain ferromagnets with T _c values of ∼310 K. Single QD switching was demonstrated at fields as low as 60 Oe. The hybrid ferromagnetic/semiconductor QD/NW properties provide a promising basis for the development of nanowire spin-valves and magnetic memory devices.

Original language	English (US)
Pages (from-to)	50-54
Number of pages	5
Journal	Nano letters
Volume	6
Issue number	1
DOIs	https://doi.org/10.1021/nl0519276
State	Published - Jan 2006

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl0519276

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title = "Ferromagnetic self-assembled quantum dots on semiconductor nanowires",

abstract = "Ferromagnetic self-assembled α-MnAs quantum dots (QD) were grown epitaxially on metal catalyst-grown InAs nanowires (NW) by chemical vapor deposition. Magnetic force microscopy measurements demonstrated that the QDs are stable, single-domain ferromagnets with T c values of ∼310 K. Single QD switching was demonstrated at fields as low as 60 Oe. The hybrid ferromagnetic/semiconductor QD/NW properties provide a promising basis for the development of nanowire spin-valves and magnetic memory devices.",

author = "Ramlan, {Dinna G.} and May, {Steven J.} and Zheng, {Jian Guo} and Allen, {Jonathan E.} and Wessels, {Bruce W.} and Lauhon, {Lincoln J.}",

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AU - Ramlan, Dinna G.

AU - May, Steven J.

AU - Zheng, Jian Guo

AU - Allen, Jonathan E.

AU - Wessels, Bruce W.

AU - Lauhon, Lincoln J.

PY - 2006/1

Y1 - 2006/1

N2 - Ferromagnetic self-assembled α-MnAs quantum dots (QD) were grown epitaxially on metal catalyst-grown InAs nanowires (NW) by chemical vapor deposition. Magnetic force microscopy measurements demonstrated that the QDs are stable, single-domain ferromagnets with T c values of ∼310 K. Single QD switching was demonstrated at fields as low as 60 Oe. The hybrid ferromagnetic/semiconductor QD/NW properties provide a promising basis for the development of nanowire spin-valves and magnetic memory devices.

AB - Ferromagnetic self-assembled α-MnAs quantum dots (QD) were grown epitaxially on metal catalyst-grown InAs nanowires (NW) by chemical vapor deposition. Magnetic force microscopy measurements demonstrated that the QDs are stable, single-domain ferromagnets with T c values of ∼310 K. Single QD switching was demonstrated at fields as low as 60 Oe. The hybrid ferromagnetic/semiconductor QD/NW properties provide a promising basis for the development of nanowire spin-valves and magnetic memory devices.

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Ferromagnetic self-assembled quantum dots on semiconductor nanowires

Abstract

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