Ballistic hole magnetic microscopy

E. Haq; T. Banerjee; M.H. Siekman; J.C. Lodder; R. Jansen

doi:10.1063/1.1864243

Ballistic hole magnetic microscopy

E. Haq, T. Banerjee, M.H. Siekman, J.C. Lodder, R. Jansen

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Abstract

A technique to study nanoscale spin transport of holes is presented: ballistic hole magnetic microscopy. The tip of a scanning tunneling microscope is used to inject hot electrons into a ferromagnetic heterostructure, where inelastic decay creates a distribution of electron-hole pairs. Spin-dependent transmission of the excited hot holes into an underlying p-type semiconductor collector induces a hole current in the valence band of the semiconductor, with magnetocurrent values up to 180%. The spin-filtering of holes is used to obtain local hysteresis loops and magnetic imaging with spatial resolution better than 30 nm.

Original language	English
Article number	082502
Journal	Applied physics letters
Volume	86
Issue number	8
DOIs	https://doi.org/10.1063/1.1864243
Publication status	Published - 2005

Keywords

SMI-NE: From 2006 in EWI-NE
TSTNE-Probe-STM: Scanning Tunneling Microscope

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title = "Ballistic hole magnetic microscopy",

abstract = "A technique to study nanoscale spin transport of holes is presented: ballistic hole magnetic microscopy. The tip of a scanning tunneling microscope is used to inject hot electrons into a ferromagnetic heterostructure, where inelastic decay creates a distribution of electron-hole pairs. Spin-dependent transmission of the excited hot holes into an underlying p-type semiconductor collector induces a hole current in the valence band of the semiconductor, with magnetocurrent values up to 180%. The spin-filtering of holes is used to obtain local hysteresis loops and magnetic imaging with spatial resolution better than 30 nm.",

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doi = "10.1063/1.1864243",

language = "English",

volume = "86",

journal = "Applied physics letters",

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T1 - Ballistic hole magnetic microscopy

AU - Haq, E.

AU - Banerjee, T.

AU - Siekman, M.H.

AU - Lodder, J.C.

AU - Jansen, R.

PY - 2005

Y1 - 2005

N2 - A technique to study nanoscale spin transport of holes is presented: ballistic hole magnetic microscopy. The tip of a scanning tunneling microscope is used to inject hot electrons into a ferromagnetic heterostructure, where inelastic decay creates a distribution of electron-hole pairs. Spin-dependent transmission of the excited hot holes into an underlying p-type semiconductor collector induces a hole current in the valence band of the semiconductor, with magnetocurrent values up to 180%. The spin-filtering of holes is used to obtain local hysteresis loops and magnetic imaging with spatial resolution better than 30 nm.

AB - A technique to study nanoscale spin transport of holes is presented: ballistic hole magnetic microscopy. The tip of a scanning tunneling microscope is used to inject hot electrons into a ferromagnetic heterostructure, where inelastic decay creates a distribution of electron-hole pairs. Spin-dependent transmission of the excited hot holes into an underlying p-type semiconductor collector induces a hole current in the valence band of the semiconductor, with magnetocurrent values up to 180%. The spin-filtering of holes is used to obtain local hysteresis loops and magnetic imaging with spatial resolution better than 30 nm.

KW - SMI-NE: From 2006 in EWI-NE

KW - TSTNE-Probe-STM: Scanning Tunneling Microscope

U2 - 10.1063/1.1864243

DO - 10.1063/1.1864243

M3 - Article

VL - 86

JO - Applied physics letters

JF - Applied physics letters

SN - 0003-6951

IS - 8

M1 - 082502

ER -

Ballistic hole magnetic microscopy

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Keywords

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