Magnetic properties of the chain antifferomagnets RbFeSe2, TlFeS2, TlFeSe2, and Tl3Fe2S4
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2023-08-28 09:17
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SEIDOV, Z., KRUG VON NIDDA, Hans Albrecht, TSURKAN, Vladimir, FILIPPOVA, Irina, GUNTHER, A., VAGIZOV, F., KIIAMOV, A., TAGIROV, Lenar, GAVRILOVA, T., NAJAFOV, A., ALIYEV, M., LOIDL, Alois. Magnetic properties of the chain antifferomagnets RbFeSe2, TlFeS2, TlFeSe2, and Tl3Fe2S4. In: Materials Science and Condensed Matter Physics, Ed. 8-th Edition, 12-16 septembrie 2016, Chişinău. Chişinău: Institutul de Fizică Aplicată, 2016, Editia 8, p. 90. ISBN 978-9975-9787-1-2.
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Materials Science and Condensed Matter Physics
Editia 8, 2016
Conferința "International Conference on Materials Science and Condensed Matter Physics"
8-th Edition, Chişinău, Moldova, 12-16 septembrie 2016

Magnetic properties of the chain antifferomagnets RbFeSe2, TlFeS2, TlFeSe2, and Tl3Fe2S4


Pag. 90-90

Seidov Z.12, Krug Von Nidda Hans Albrecht2, Tsurkan Vladimir23, Filippova Irina3, Gunther A.2, Vagizov F.4, Kiiamov A.4, Tagirov Lenar45, Gavrilova T.5, Najafov A.1, Aliyev M.6, Loidl Alois2
 
1 Institute of Physics, Azerbaijan National Academy of Sciences,
2 University of Augsburg,
3 Institute of Applied Physics, Academy of Sciences of Moldova,
4 Kazan Federal University,
5 Zavoisky Physical Technical Institute of the Russian Academy of Sciences,
6 Baku State University
 
Disponibil în IBN: 19 iulie 2019


Rezumat

The ternary iron chalcogenides, TlFeS2, TlFeSe2, RbFeSe2 consisting of linear chains of FeX4 (X=S, Se) tetrahedra, and Tl3Fe2S4 with zig-zag chains of FeS4 tetrahedra have been investigated by means of magnetic susceptibility, specific heat, Mössbauer, and ESR measurements. Single crystals of TlFeS2, TlFeSe2, RbFeSe2, and Tl3Fe2S4 exhibit three-dimensional collinear antiferromagnetic order with strongly reduced moments below 196K, 290K, 248K, and 90K, respectively. The magnetic moments are oriented perpendicular to the chain direction. Tl3Fe2S4 reveals a susceptibility maximum at Tmax = 435K, which is typical for one-dimensional antiferromagnetic spin chains, whereas RbFeSe2 and TlFeX2 (X = S, Se) exhibit a continuous linear increase of the susceptibility up to the highest measurement temperature (600K) suggesting 1D metallic character.

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<meta name="citation_author" content="Seidov Z.">
<meta name="citation_author" content="Krug Von Nidda Hans Albrecht">
<meta name="citation_author" content="Tsurkan Vladimir">
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<meta name="citation_author" content="Gunther A.">
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