Polarization enhanced 14N NQR detection with a nonhomogeneous magnetic field

The use of proton polarization enhancement of low frequency 14N NQR signals was tested. An improvement of NQR signals was observed in samples of (N 3(NO 2) 3(CH 2) 3, (CH 2) 6N 4 and (NO 2)C 6H 4COOH). A very nonhomogeneous magnetic field obtained with a permanent magnet was used for proton polariza...

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Bibliographic Details
Published in:Solid state communications 2002-03, Vol.121 (12), p.653-656
Main Authors: Luznik, J, Pirnat, J, Trontelj, Z
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. Spin dynamics
E. Nuclear resonances
Exact sciences and technology
Magnetic field
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Nuclear magnetic resonance and relaxation
Physics
Quadrupole resonance
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Summary:The use of proton polarization enhancement of low frequency 14N NQR signals was tested. An improvement of NQR signals was observed in samples of (N 3(NO 2) 3(CH 2) 3, (CH 2) 6N 4 and (NO 2)C 6H 4COOH). A very nonhomogeneous magnetic field obtained with a permanent magnet was used for proton polarization.
ISSN:0038-1098
1879-2766
DOI:10.1016/S0038-1098(02)00054-6