Exchange Interactions in a Low-Dimensional Magnetic System Cu(H2O)2(en)SO4

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F14%3A86087956" target="_blank" >RIV/61989100:27640/14:86087956 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.12693/APhysPolA.126.50" target="_blank" >http://dx.doi.org/10.12693/APhysPolA.126.50</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.12693/APhysPolA.126.50" target="_blank" >10.12693/APhysPolA.126.50</a>

Result language
angličtina
Original language name
Exchange Interactions in a Low-Dimensional Magnetic System Cu(H2O)2(en)SO4
Original language description
We report a theoretical ab-initio investigation of the exchange interaction between Cu atoms in Cu(H2O)2(en)SO4, en=C2H8N2(ethylenediamine), an insulating magnetic material. Unlike previous experimental studies which describe the system as a quasi-two-dimensional antiferromagnet, our results, based on the mapping of the system onto an effective Heisenberg model, suggest a quasi-one-dimensional character of magnetism, with the exchange coupling between the Cu atoms being propagated along a zigzag line, lying in the crystal's be plane and connecting the Cu atoms through the N atoms. Furthermore, we report the calculated positions of the H atoms that have not been provided in experimental papers.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BE - Theoretical physics
OECD FORD branch
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Project
<a href="/en/project/EE2.3.30.0055" target="_blank" >EE2.3.30.0055: New creative teams in priorities of scientific research</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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