Freeman, M. R. and Germain, R. S. and Richardson, R. C. and Roukes, M. L. and Gallagher, W. J. and Ketchen, M. B. (1986) Low-temperature nuclear magnetic resonance with a dc SQUID amplifier. Applied Physics Letters, 48 (4). pp. 300-302. ISSN 0003-6951 http://resolver.caltech.edu/CaltechAUTHORS:FREapl86
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We report the detection of nuclear magnetic resonance at 4 K and 1.9 MHz with a receiver based on a thin-film dc superconducting quantum interference device. The noise temperature of the spectrometer is 300 mK, limited by the second stage amplifier.
|Additional Information:||Copyright © 1986 American Institute of Physics. Received 18 October 1985; accepted 23 November 1985. This work was supported by the Natural Sciences and Engineering Research Council (Canada), the National Science Foundation, and the Cornell Materials Science Center. the dc SQUID's were fabricated at the IBM Thomas J. Watson Research Center by J. Greiner and co-workers.|
|Subject Keywords:||SQUID DEVICES, THIN FILMS, NOISE, NMR SPECTROMETERS, ULTRALOW TEMPERATURE, USES, FABRICATION, AMPLIFIERS|
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|Deposited On:||07 Apr 2008|
|Last Modified:||26 Dec 2012 09:56|
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