NMR study of the paramagnetic state of low-dimensional magnets Li[Cu.sub.2][O.sub.2] and Na[Cu.sub.2][O.sub.2]

NMR study of the paramagnetic state of low-dimensional magnets Li[Cu.sub.2][O.sub.2] and Na[Cu.sub.2][O.sub.2]

A comprehensive NMR study of the magnetic properties of single crystal Li[Cu.sub.2][O.sub.2] (LCO) and Na[Cu.sub.2][O.sub.2] (NCO) is carried out in the paramagnetic region of the compounds for various orientations of single crystals in an external magnetic field. The values of the electric-field gr...

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Veröffentlicht in:Journal of experimental and theoretical physics 2017-02, Vol.124 (2), p.286
Hauptverfasser: Sadykov, A.F, Piskunov, Yu. V, Gerashchenko, A.P, Ogloblichev, V.V, Smol'nikov, A.G, Verkhovskii, S.V, Arapova, I. Yu, Volkova, Z.N, Mikhalev, K.N, Bush, A.A
Format: Artikel
Sprache:eng
Schlagworte:
Crystal structure
Magnetic fields
Magnetic properties
Military leaders
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Zusammenfassung:A comprehensive NMR study of the magnetic properties of single crystal Li[Cu.sub.2][O.sub.2] (LCO) and Na[Cu.sub.2][O.sub.2] (NCO) is carried out in the paramagnetic region of the compounds for various orientations of single crystals in an external magnetic field. The values of the electric-field gradient (EFG) tensor, as well as the dipole and transferred hyperfine magnetic fields for [sup.63,65]Cu, [sup.7]Li, and [sup.23]Na nuclei are determined. The results are compared with the data obtained in previous NMR studies of the magnetically ordered state of LCO/NCO cuprates.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776117010071