Spintronic mechanics of a magnetic nanoshuttle

A. Pulkin; R. I. Shekhter; Mats Jonson

doi:10.1103/PhysRevB.86.100404

Spintronic mechanics of a magnetic nanoshuttle

A. Pulkin, R. I. Shekhter, Mats Jonson

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

16 Citations (Scopus)

56 Downloads (Pure)

Abstract

We investigate theoretically the prospects for using a magnetic nanoelectromechanical single-electron tunneling (NEM-SET) device as an electronic spin filter.We find that strong magnetic exchange forces on the net spin of the mobile central dot of theNEM-SET structure lead to spin-dependent mechanical displacements (“spin polarons”), which give rise to vastly different tunneling probabilities for electrons of different spin. The resulting spin polarization of the current can be controlled by bias and gate voltages and be very close to 100% at voltages and temperatures below a characteristic correlation energy set by the sum of the polaronic and Coulomb blockade energies.

Original language	English
Pages (from-to)	100404(R)
Number of pages	4
Journal	Physical Review B: Condensed Matter and Materials Physics
Volume	86
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.86.100404
Publication status	Published - 19 Sept 2012

Keywords

nanoelectromechanics
single-electron tunneling
spin filter
magnetic exchange force

Access to Document

10.1103/PhysRevB.86.100404

Download as PDFFinal published version, 252 KB

Cite this

@article{7ae0d186d7314cffbcebf82c68fed28e,

title = "Spintronic mechanics of a magnetic nanoshuttle",

abstract = "We investigate theoretically the prospects for using a magnetic nanoelectromechanical single-electron tunneling (NEM-SET) device as an electronic spin filter.We find that strong magnetic exchange forces on the net spin of the mobile central dot of theNEM-SET structure lead to spin-dependent mechanical displacements (“spin polarons”), which give rise to vastly different tunneling probabilities for electrons of different spin. The resulting spin polarization of the current can be controlled by bias and gate voltages and be very close to 100% at voltages and temperatures below a characteristic correlation energy set by the sum of the polaronic and Coulomb blockade energies.",

keywords = "nanoelectromechanics, single-electron tunneling, spin filter, magnetic exchange force",

author = "A. Pulkin and Shekhter, {R. I.} and Mats Jonson",

note = "Selected as an “Editors{\textquoteright} Suggestion” paper. Phys. Rev. B promotes about 5% of their published papers in this way based on their particular interest, importance, or clarity as judged by the editors and referees.",

year = "2012",

month = sep,

day = "19",

doi = "10.1103/PhysRevB.86.100404",

language = "English",

volume = "86",

pages = "100404(R)",

journal = "Physical Review B: Condensed Matter and Materials Physics",

issn = "1098-0121",

publisher = "American Physical Society",

number = "10",

}

TY - JOUR

T1 - Spintronic mechanics of a magnetic nanoshuttle

AU - Pulkin, A.

AU - Shekhter, R. I.

AU - Jonson, Mats

N1 - Selected as an “Editors’ Suggestion” paper. Phys. Rev. B promotes about 5% of their published papers in this way based on their particular interest, importance, or clarity as judged by the editors and referees.

PY - 2012/9/19

Y1 - 2012/9/19

N2 - We investigate theoretically the prospects for using a magnetic nanoelectromechanical single-electron tunneling (NEM-SET) device as an electronic spin filter.We find that strong magnetic exchange forces on the net spin of the mobile central dot of theNEM-SET structure lead to spin-dependent mechanical displacements (“spin polarons”), which give rise to vastly different tunneling probabilities for electrons of different spin. The resulting spin polarization of the current can be controlled by bias and gate voltages and be very close to 100% at voltages and temperatures below a characteristic correlation energy set by the sum of the polaronic and Coulomb blockade energies.

AB - We investigate theoretically the prospects for using a magnetic nanoelectromechanical single-electron tunneling (NEM-SET) device as an electronic spin filter.We find that strong magnetic exchange forces on the net spin of the mobile central dot of theNEM-SET structure lead to spin-dependent mechanical displacements (“spin polarons”), which give rise to vastly different tunneling probabilities for electrons of different spin. The resulting spin polarization of the current can be controlled by bias and gate voltages and be very close to 100% at voltages and temperatures below a characteristic correlation energy set by the sum of the polaronic and Coulomb blockade energies.

KW - nanoelectromechanics

KW - single-electron tunneling

KW - spin filter

KW - magnetic exchange force

U2 - 10.1103/PhysRevB.86.100404

DO - 10.1103/PhysRevB.86.100404

M3 - Article

SN - 1098-0121

VL - 86

SP - 100404(R)

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

IS - 10

ER -

Spintronic mechanics of a magnetic nanoshuttle

Abstract

Keywords

Access to Document

Fingerprint

Cite this