Magnetic properties of chain antiferromagnets RbFeSe2, TlFeSe2, and TlFeS2


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Single crystals of ternary ion chalcogenides RbFeSe2, TlFeSe2, and TlFeS2 are studied by X-ray diffraction, SQUID magnetometry, and Mössbauer spectroscopy. Common structural units of these chalcogenides are tetrahedra of FeCh4 (chalcogen Ch = Se, S), arranged in chains by sharing an edge. It is found that RbFeSe2, TlFeSe2, and TlFeS2 undergo transition to a collinear antiferromagnetic state below temperatures TN = 248, 290, and 196 K, respectively. Their magnetic moments are oriented perpendicular to the axes of the chains of FeCh4 tetrahedra.

作者简介

Z. Seidov

Experimental Physics V, Center for Electronic Correlations and Magnetism; Institute of Physics

Email: ltagirov@mail.ru
德国, Augsburg, 86135; Baku, AZ-1143

H. Krug von Nidda

Experimental Physics V, Center for Electronic Correlations and Magnetism

Email: ltagirov@mail.ru
德国, Augsburg, 86135

V. Tsurkan

Experimental Physics V, Center for Electronic Correlations and Magnetism; Institute of Applied Physics

Email: ltagirov@mail.ru
德国, Augsburg, 86135; Chisinau, MD-20208

I. Filippova

Institute of Applied Physics

Email: ltagirov@mail.ru
摩尔多瓦共和国, Chisinau, MD-20208

A. Günther

Experimental Physics V, Center for Electronic Correlations and Magnetism

Email: ltagirov@mail.ru
德国, Augsburg, 86135

A. Najafov

Institute of Physics

Email: ltagirov@mail.ru
阿塞拜疆, Baku, AZ-1143

M. Aliyev

Faculty of Solid State Physics

Email: ltagirov@mail.ru
阿塞拜疆, Baku, AZ-1148

F. Vagizov

Institute of Physics

Email: ltagirov@mail.ru
俄罗斯联邦, Kazan, 420008

A. Kiiamov

Institute of Physics

Email: ltagirov@mail.ru
俄罗斯联邦, Kazan, 420008

L. Tagirov

Institute of Physics; Zavoisky Physicotechnical Institute; Institute of Advanced Studies

编辑信件的主要联系方式.
Email: ltagirov@mail.ru
俄罗斯联邦, Kazan, 420008; Kazan, 420029; Kazan, 420111

T. Gavrilova

Zavoisky Physicotechnical Institute

Email: ltagirov@mail.ru
俄罗斯联邦, Kazan, 420029

A. Loidl

Experimental Physics V, Center for Electronic Correlations and Magnetism

Email: ltagirov@mail.ru
德国, Augsburg, 86135

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