Effects of pd-hybridization in strongly correlated insulator FeSi / Povzner A. A.,Volkov A. G.,Nogovitsyna T. A. // JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - 2016. - V. 409, l. . - P. 1-5.

ISSN/EISSN:

0304-8853 / 1873-4766

Type:

Article

Abstract:

We study the hybridization effects in the system of the strongly correlated d-electrons and the nearly free p-electrons. It has been established that there is the hybridization of the spin states of electrons in addition to the hybridization of p- and d-states of different atoms. This leads to the formation of four energy bands- spin-symmetrized and spin-antisymmetrized of singlets of A- and B-states. It has been shown that the increase of the temperature leads to a change of the number of d-like states, gaps into hybridization spectra of spin-antisymmetrized and spin-symmetrized states, and to the shift of these spectra relative to each other. Numerical analysis performed on an example of strongly correlated semiconductor iron monosilicide. The semi-quantitative description of the electronic and magnetic properties of this compound has been obtained. In particular, we obtained the disappearance of the semiconducting gap at 90 K and the values of temperatures corresponding to the features of the temperature dependence of the magnetic susceptibility. (C) 2016 Elsevier B.V. All rights reserved.

Author keywords:

pd-hybridization; Strongly correlated system; Chiral band helimagnetic

DOI:

10.1016/j.jmmm.2016.02.077

Web of Science ID:

ISI:000372320300001

Соавторы в МНС:

Другие поля

Поле	Значение
Month	JUL 1
Publisher	ELSEVIER SCIENCE BV
Address	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language	English
EISSN	1873-4766
Research-Areas	Materials Science; Physics
Web-of-Science-Categories	Materials Science, Multidisciplinary; Physics, Condensed Matter
Author-Email	a.a.povzner@urfu.ru agvolkov@yandex.ru
ResearcherID-Numbers	Povzner, Aleksandr/A-4625-2016
Number-of-Cited-References	17
Usage-Count-Last-180-days	11
Usage-Count-Since-2013	31
Journal-ISO	J. Magn. Magn. Mater.
Doc-Delivery-Number	DG8GF