ShareClosed-cycle refrigerator-cooled scanning SQUID microscope for room-temperature samples.
Author(s) : FLEET E. F., CHATRAPHORN S., WELLSTOOD F. C., et al.
Type of article: Article
Summary
The authors have designed, built and operated a scanning superconducting quantum interference device (SQUID) microscope that uses a closed-cycle refrigerator to cool a YBCO dc SQUID to 77 K. The SQUID is mounted in custom vacuum housing that has a thin sapphire window that maintains thermal isolation of the SQUID while allowing samples to be imaged in air at room temperature. Samples are mounted on an x-y scanning table and can be brought to within about 60 microm of the SQUID for magnetic field imaging. The authors describe the performance of the system and present images of a variety of samples.
Details
- Original title: Closed-cycle refrigerator-cooled scanning SQUID microscope for room-temperature samples.
- Record ID : 2003-0587
- Languages: English
- Source: Rev. sci. Instrum. - vol. 72 - n. 8
- Publication date: 2001/08
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
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Themes:
Low-temperature physics;
Superconduction - Keywords: Low temperature; Squid (cryogenics); Microscopy
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