Magnetization of paraffin-based magnetic nanocolloids
Using paraffin-based magnetic nanocolloids as an example, the reasons for maxima in the temperature dependence of the magnetic susceptibility of magnetic colloids have been discussed. The behavior of these dependences in a wide temperature interval has been analyzed for colloids in solid and liquid...
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Pleiades Publishing
2018
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ir-20.500.12258-3222020-07-09T12:45:17Z Magnetization of paraffin-based magnetic nanocolloids Dikansky, Y. I. Диканский, Ю. И. Ispiryan, A. G. Испирян, А. Г. Kunikin, S. A. Куникин, С. А. Radionov, A. V. Радионов, А. В. Magnetization Magnetic nanocolloids Using paraffin-based magnetic nanocolloids as an example, the reasons for maxima in the temperature dependence of the magnetic susceptibility of magnetic colloids have been discussed. The behavior of these dependences in a wide temperature interval has been analyzed for colloids in solid and liquid states. It has been concluded that the maximum observed at the melting point of paraffin can be attributed to freezing Brownian degrees of freedom in magnetite coarse particles, the magnetic moment of which is intimately related to the solid matrix. The second main maximum, which arises in the solid state, is explained by the superparamagnetic-magnetically hard transition of most fine particles at lower temperatures. It has been noted that the flatness of this maximum results from the polydispersity of the magnetic nanoparticle ensemble 2018-05-28T10:07:52Z 2018-05-28T10:07:52Z 2018 Статья Dikanskii, Y.I., Ispiryan, A.G., Kunikin, S.A., Radionov, A.V. Magnetization of paraffin-based magnetic nanocolloids // Technical Physics. -2018. - Volume 63.- Issue 1. - pp. 57-61. https://www.scopus.com/record/display.uri?eid=2-s2.0-85042882331&origin=resultslist&sort=plf-f&src=s&nlo=1&nlr=20&nls=afprfnm-t&affilName=nort*+caucas*+fed*+univ*&sid=4704285cc7034226d5893c858f1a8372&sot=afnl&sdt=sisr&sl=53&s=%28AF-ID%28%22North+Caucasus+Federal+University%22+60070541%29%29&ref=%28Magnetization+of+Paraffin-Based+Magnetic+Nanocolloids%29&relpos=0&citeCnt=0&searchTerm= https://dspace.ncfu.ru:443/handle/20.500.12258/322 en Technical Physics application/pdf application/pdf Pleiades Publishing |
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Magnetization Magnetic nanocolloids |
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Magnetization Magnetic nanocolloids Dikansky, Y. I. Диканский, Ю. И. Ispiryan, A. G. Испирян, А. Г. Kunikin, S. A. Куникин, С. А. Radionov, A. V. Радионов, А. В. Magnetization of paraffin-based magnetic nanocolloids |
description |
Using paraffin-based magnetic nanocolloids as an example, the reasons for maxima in the temperature dependence of the magnetic susceptibility of magnetic colloids have been discussed. The behavior of these dependences in a wide temperature interval has been analyzed for colloids in solid and liquid states. It has been concluded that the maximum observed at the melting point of paraffin can be attributed to freezing Brownian degrees of freedom in magnetite coarse particles, the magnetic moment of which is intimately related to the solid matrix. The second main maximum, which arises in the solid state, is explained by the superparamagnetic-magnetically hard transition of most fine particles at lower temperatures. It has been noted that the flatness of this maximum results from the polydispersity of the magnetic nanoparticle ensemble |
format |
Статья |
author |
Dikansky, Y. I. Диканский, Ю. И. Ispiryan, A. G. Испирян, А. Г. Kunikin, S. A. Куникин, С. А. Radionov, A. V. Радионов, А. В. |
author_facet |
Dikansky, Y. I. Диканский, Ю. И. Ispiryan, A. G. Испирян, А. Г. Kunikin, S. A. Куникин, С. А. Radionov, A. V. Радионов, А. В. |
author_sort |
Dikansky, Y. I. |
title |
Magnetization of paraffin-based magnetic nanocolloids |
title_short |
Magnetization of paraffin-based magnetic nanocolloids |
title_full |
Magnetization of paraffin-based magnetic nanocolloids |
title_fullStr |
Magnetization of paraffin-based magnetic nanocolloids |
title_full_unstemmed |
Magnetization of paraffin-based magnetic nanocolloids |
title_sort |
magnetization of paraffin-based magnetic nanocolloids |
publisher |
Pleiades Publishing |
publishDate |
2018 |
url |
https://www.scopus.com/record/display.uri?eid=2-s2.0-85042882331&origin=resultslist&sort=plf-f&src=s&nlo=1&nlr=20&nls=afprfnm-t&affilName=nort*+caucas*+fed*+univ*&sid=4704285cc7034226d5893c858f1a8372&sot=afnl&sdt=sisr&sl=53&s=%28AF-ID%28%22North+Caucasus+Federal+University%22+60070541%29%29&ref=%28Magnetization+of+Paraffin-Based+Magnetic+Nanocolloids%29&relpos=0&citeCnt=0&searchTerm= https://dspace.ncfu.ru:443/handle/20.500.12258/322 |
work_keys_str_mv |
AT dikanskyyi magnetizationofparaffinbasedmagneticnanocolloids AT dikanskijûi magnetizationofparaffinbasedmagneticnanocolloids AT ispiryanag magnetizationofparaffinbasedmagneticnanocolloids AT ispirânag magnetizationofparaffinbasedmagneticnanocolloids AT kunikinsa magnetizationofparaffinbasedmagneticnanocolloids AT kunikinsa magnetizationofparaffinbasedmagneticnanocolloids AT radionovav magnetizationofparaffinbasedmagneticnanocolloids AT radionovav magnetizationofparaffinbasedmagneticnanocolloids |
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