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Ising nanowires with simple core–shell structure; Their characteristic phenomena |
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| Institution: | 1. Department of Theoretical Physics and Astrophysics, Institute of Physics, P.J. Šafárik University in Košice, Park Angelinum 9, 040 01 Košice, Slovakia;2. Department of Solid State Physics, Faculty of Physics and Applied Informatics, University of Łódź, ul. Pomorska 149/153, 90-236 Łódź, Poland;1. Laboratório de Física Teórica e Computacional, Departamento de Física, Universidade Federal de Pernambuco, 50670-901, Recife, Brazil;2. Núcleo Interdisciplinar de Ciências Exatas e da Natureza, Universidade Federal de Pernambuco, 55014-900, Caruaru, Brazil;3. Departamento de Física, Universidade Federal da Paraíba, 58051-970, João Pessoa, Brazil |
| Abstract: | The phase diagrams and magnetizations of Ising nanowires with simple core–shell structure are investigated by the use of the effective field theory with correlations. A lot of characteristic behaviors observed in ferromagnetic and ferrimagnetic materials as well as novel phenomena have been obtained, although one section of the system is consisted of one spin-1/2 surface shell atom and one spin-1/2 core atom and they are coupled with a positive or a negative shell–core exchange interaction. |
| Keywords: | Nanowires Phase diagrams Magnetizations EFT |
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