A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging

Volodymyr V Khotkevych; Simon J Bending

doi:10.1088/1742-6596/150/1/012021

A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging

Volodymyr V Khotkevych, Simon J Bending

Department of Physics

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

2 Citations (SciVal)

162 Downloads (Pure)

Abstract

The design and performance of a novel scanning Hall probe microscope for milliKelvin magnetic imaging with submicron lateral resolution is presented. The microscope head is housed in the vacuum chamber of a commercial He-3-refrigerator and operates between room temperature and 300 mK in magnetic fields up to 10 T. Mapping of the local magnetic induction at the sample surface is performed by a micro-fabricated 2DEG Hall probe equipped with an integrated STM tip. The latter provides a reliable mechanism of surface tracking by sensing and controlling the tunnel currents. We discuss the results of tests of the system and illustrate its potential with images of suitable reference samples captured in different modes of operation.

Original language	English
Article number	012021
Number of pages	4
Journal	Journal of Physics: Conference Series
Volume	150
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/150/1/012021
Publication status	Published - 2009
Event	25th International Conference on Low Temperature Physics - Amsterdam, Netherlands Duration: 6 Aug 2008 → 13 Aug 2008

Access to Document

10.1088/1742-6596/150/1/012021

Bending_JoPConfSer_2009_150_012021.pdfAccepted author manuscript, 181 KB

Cite this

@article{efcfae50aacb450c8d6fef24e3670caf,

title = "A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging",

abstract = "The design and performance of a novel scanning Hall probe microscope for milliKelvin magnetic imaging with submicron lateral resolution is presented. The microscope head is housed in the vacuum chamber of a commercial He-3-refrigerator and operates between room temperature and 300 mK in magnetic fields up to 10 T. Mapping of the local magnetic induction at the sample surface is performed by a micro-fabricated 2DEG Hall probe equipped with an integrated STM tip. The latter provides a reliable mechanism of surface tracking by sensing and controlling the tunnel currents. We discuss the results of tests of the system and illustrate its potential with images of suitable reference samples captured in different modes of operation.",

author = "Khotkevych, {Volodymyr V} and Bending, {Simon J}",

year = "2009",

doi = "10.1088/1742-6596/150/1/012021",

language = "English",

volume = "150",

journal = "Journal of Physics: Conference Series",

issn = "1742-6588",

publisher = "IOP Publishing",

number = "1",

note = "25th International Conference on Low Temperature Physics, LT25 ; Conference date: 06-08-2008 Through 13-08-2008",

}

TY - JOUR

T1 - A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging

AU - Khotkevych, Volodymyr V

AU - Bending, Simon J

PY - 2009

Y1 - 2009

N2 - The design and performance of a novel scanning Hall probe microscope for milliKelvin magnetic imaging with submicron lateral resolution is presented. The microscope head is housed in the vacuum chamber of a commercial He-3-refrigerator and operates between room temperature and 300 mK in magnetic fields up to 10 T. Mapping of the local magnetic induction at the sample surface is performed by a micro-fabricated 2DEG Hall probe equipped with an integrated STM tip. The latter provides a reliable mechanism of surface tracking by sensing and controlling the tunnel currents. We discuss the results of tests of the system and illustrate its potential with images of suitable reference samples captured in different modes of operation.

AB - The design and performance of a novel scanning Hall probe microscope for milliKelvin magnetic imaging with submicron lateral resolution is presented. The microscope head is housed in the vacuum chamber of a commercial He-3-refrigerator and operates between room temperature and 300 mK in magnetic fields up to 10 T. Mapping of the local magnetic induction at the sample surface is performed by a micro-fabricated 2DEG Hall probe equipped with an integrated STM tip. The latter provides a reliable mechanism of surface tracking by sensing and controlling the tunnel currents. We discuss the results of tests of the system and illustrate its potential with images of suitable reference samples captured in different modes of operation.

UR - http://www.scopus.com/inward/record.url?scp=65649137771&partnerID=8YFLogxK

UR - http://dx.doi.org/10.1088/1742-6596/150/1/012021

U2 - 10.1088/1742-6596/150/1/012021

DO - 10.1088/1742-6596/150/1/012021

M3 - Article

SN - 1742-6588

VL - 150

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - 1

M1 - 012021

T2 - 25th International Conference on Low Temperature Physics

Y2 - 6 August 2008 through 13 August 2008

ER -

A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging

Abstract

Access to Document

Other files and links

Fingerprint

A SCANNING HALL PROBE MICROSCOPE FOR HIGH RESOLUTION MILLIKE LVIN MAGNETIC IMAGING

Cite this

A milliKelvin scanning Hall probe microscope for high resolution magnetic imaging

Abstract

Access to Document

Other files and links

Fingerprint

Projects

A SCANNING HALL PROBE MICROSCOPE FOR HIGH RESOLUTION MILLIKE LVIN MAGNETIC IMAGING

Cite this