Published October 13, 1997
| Published
Journal Article
Open
Local magnetometry at high fields and low temperatures using InAs Hall sensors
- Creators
- Pugel, E.
- Shung, E.
-
Rosenbaum, T. F.
- Watkins, S. P.
Chicago
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Abstract
We characterize the temperature (0.3⩽T⩽300 K), magnetic field(0⩽H⩽80 kOe), and thickness (0.1, 0.5, and 2.5 μm) dependence of the Hall response of high purity InAs epilayers grown using metalorganic chemical vapor deposition. The high sensitivity, linearity, and temperature independence of the response make them attractive for local Hall probe magnetometry, and uniquely qualified for high field applications below liquid helium temperatures. As a stringent test of performance, we use a six element micron-sized array to monitor the internal field gradient during vortex avalanches at milliKelvin temperatures in a single crystal of YBa_2Cu_3O_(7−δ).
Additional Information
© 1997 American Institute of Physics. (Received 13 June 1997; accepted for publication 6 August 1997) The authors are grateful to H. Jaeger for illuminating discussions. The work at the University of Chicago was supported by the National Science Foundation (Contract No. DMR91-20000) through the Science and Technology Center for Superconductivity. EP acknowledges support from Argonne National Laboratory Department of Educational Programs. SPW acknowledges the support of the Natural Sciences and Engineering Research Council of Canada.Attached Files
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Additional details
- Eprint ID
- 46984
- Resolver ID
- CaltechAUTHORS:20140707-163033104
- NSF
- DMR91-20000
- Argonne National Laboratory
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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2014-07-08Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field