Enhancement factor of NMR in ferromagnetic materials with broad hyperfine field distribution

A new configuration of sample and r.f.-coil for spin-echo NMR is presented. The main features are a homogeneous r.f. field over the whole surface of the sample and the possibility of calibration of the r.f.- amplitude in the presence of the magnetic material. In connection with Fourier-transformatio...

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Bibliographic Details
Published in:Solid state communications 1984-01, Vol.50 (2), p.125-127
Main Authors: Pieper, M.W., Lütgemeier, H., Zinn, W.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Nuclear magnetic resonance and relaxation
Physics
Spin echoes
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Summary:A new configuration of sample and r.f.-coil for spin-echo NMR is presented. The main features are a homogeneous r.f. field over the whole surface of the sample and the possibility of calibration of the r.f.- amplitude in the presence of the magnetic material. In connection with Fourier-transformation of the echo-signals this allows for better accuracy in measurements of the NMR-enhancement factor, especially in broad spectra. The method is illustrated by an experiment with amorphous CoP, a ferromagnetic metal with a very broad spectrum.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(84)90922-0