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Abstracts
In the paper we present and discuss magnetic properties of the Tb(Ni_{1-x}Fe_{x})_{3} (x=0.2, 0.6) crystalline compounds and their ball-milled powders. The investigated samples are polycrystalline and crystallize in the rhombohedral PuNi_{3} type of crystal structure. The Curie temperature of the material seems to be independent of particle size and is constant. The coercivity depends on the amount of iron dopant. The saturation magnetization decreases after mechanical grinding which is connected with the reduction in particle size. After 6 h milling time the SEM results show the presence of nanoflakes with thickness up to 100 nm or even smaller. Moreover, the pulverization leads to the observed decrease of magnetocaloric effect.
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Volume
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Pages
180-181
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Dates
published
2014-07
Contributors
author
- A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
- A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
- A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
- A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
- Institute of Materials Science, University of Silesia, Bankowa 12, 40-007 Katowice, Poland
References
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- [2] M. Venkatesan, C. Jiang, J.M.D. Coey, J. Magn. Magn. Mater. 242, 1350 (2002), doi: 10.1016/S0304-8853(01)01279-3
- [3] A. Chrobak, A. Bajorek, G. Chełkowska, G. Haneczok, M. Kwiecień, Phys. Status Solidi A 206, 731 (2009), doi: 10.1002/pssa.200824470
- [4] B. Chevalier, J.-L. Bobet, J. Etourneau, J. Alloys Compd. 339, 35 (2002), doi: 10.1016/S0925-8388(01)01994-6
- [5] J. Arout Chelvane, S. Kasiviswanathan, M.V. Rao, G. Markandeyulu, Bull. Mater. Sci. 27, 169 (2004), doi: 10.1007/BF02708500
- [6] B. Chevalier, J.-L. Bobet, J. Sánchez Marcos, J. Rodriguez Fernandez, J.C. Gómez Sal, Appl. Phys. A 80, 601 (2005), doi: 10.1007/s00339-003-2239-9
- [7] G. Reiss, A. Hütten, HUKHUKMagnetic Nanoparticles in: Handbook of Nanophysics: Nanoparticles and Quantum Dots, Ed. by K.D. Sattler, CRC Press, 2011
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n1086kz