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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fan, N.Q. Heaney, M.B. Clarke, J. Newitt, D. Wald, L.L. Hahn, E.L. Bielecki, A. Pines, A. |
| Copyright Year | 1965 |
| Abstract | Describes five experiments illustrating the application of DC SQUID (superconducting quantum interference device) amplifiers to magnetic resonance experiments. The first experiment involved the observation of nuclear spin noise, that is the spontaneous emission of photons from an ensemble of /sup 35/Cl nuclei in the zero polarization state. The second experiment involved the use of the Q-spoiler in conventional NQR (nuclear quadrupole resonance) and NMR measurements in which one applies a large RF pulse to the nuclei to make them precess. The Q-spoiler was then used in an experiment to detect the oscillating electric polarization induced by /sup 35/Cl nuclear quadrupole moments. The fourth experiment involved the extension of the use of the Q-spoiler and SQUID amplifier to NMR, detecting the signal from /sup 119/Sn nuclei at 30 MHz. Finally, a SQUID amplifier was used with an untuned input circuit to detect the low-frequency NMR signal at 55 kHz from /sup 195/Pt nuclei in an applied field of 60 Gauss.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 1193 |
| Ending Page | 1199 |
| Page Count | 7 |
| File Size | 741133 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 25 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nuclear magnetic resonance SQUIDs Preamplifiers Superconducting device noise Polarization Pulse measurements Superconducting devices Interference Magnetic resonance Magnetic noise |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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