Abstract
NUCLEAR quadrupole resonance (n.q.r.) in solids can be effectively examined1 with a super-regenerative spectrometer, which may be operated2 in the self-quenching mode or may be externally quenched.
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References
Das, T. P., and Hahn, E. L., Solid State Physics Suppl., Chap. 2 (Academic Press, New York and London, 1958).
Whitehead, J. R., Super-regenerative Receivers (Cambridge University Press, 1950).
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Terman, F. E., Electronic and Radio Engineering, 662 (McGraw Hill Co., New York and London, 1955).
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SULLIVAN, E. Nuclear Resonance: Simple Method of Detection. Nature 218, 944–945 (1968). https://doi.org/10.1038/218944a0
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DOI: https://doi.org/10.1038/218944a0
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