Electronic structure and quadrupole interactions in triple molybdates Li2M3Al(MoO4)4, M = Cs, Rb


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Abstract

Within the density functional theory the electronic structure of triple molybdates Li2M3Al(MoO4)4, where M = Cs, Rb, is studied for the first time. It is found that all molybdates studied belong to wide band insulators with a band gap of ~4 eV. Quadrupole frequencies and asymmetry parameters of the electric field gradient near magnetic 7Li, 27Al, 87Rb, and 133Cs nuclei are calculated and experimental NMR spectra are interpreted.

About the authors

V. N. Seleznev

Eltsin Ural Federal University

Email: secretary@ihim.uran.ru
Russian Federation, Ekaterinburg

N. I. Medvedeva

Institute of Solid State Chemistry, Ural Branch

Author for correspondence.
Email: secretary@ihim.uran.ru
Russian Federation, Ekaterinburg

T. A. Denisova

Institute of Solid State Chemistry, Ural Branch

Email: secretary@ihim.uran.ru
Russian Federation, Ekaterinburg

R. D. Nevmyvako

Institute of Solid State Chemistry, Ural Branch

Email: secretary@ihim.uran.ru
Russian Federation, Ekaterinburg

A. L. Buzlukov

Mikheev Institute of Metal Physics, Ural Branch

Email: secretary@ihim.uran.ru
Russian Federation, Ekaterinburg

Yu. M. Kadyrova

Baikal Institute of Nature Management

Email: secretary@ihim.uran.ru
Russian Federation, Ulan-Ude

S. F. Solodovnikov

Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk National State Research University

Email: secretary@ihim.uran.ru
Russian Federation, Novosibirsk; Novosibirsk

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