Cross-singular dips in the NMR absorption line of polycrystals with isolated spin pairs

Autor:	O. V. Falaleev, L. G. Falaleeva
Rok vydání:	1998
Předmět:	Physics Physics and Astronomy (miscellaneous) Solid-state physics Condensed Matter::Superconductivity Atomic physics Spin (physics) Spectral line
Zdroj:	Journal of Experimental and Theoretical Physics Letters. 68:101-106
ISSN:	1090-6487 0021-3640
DOI:	10.1134/1.567828
Popis:	Cross-singular dips at the center of the spectra of polycrystals of Pake systems, i.e., systems containing well-isolated pair groupings, are obtained by numerical calculations of the NMR absorption line for a 10-spin (I=1/2) model. The physical reason for such dips is the behavior of the flip-flop component of the interpair dipole-dipole interactions (“6/5 factor”). Cases of experimental manifestation of cross-singular dips are noted.
Databáze:	OpenAIRE
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