Existence of cryogenic magnetic entropy change in Gd based nanoparticles
Magnetic nanoparticles with average diameter of 5–7 nm were prepared by nanocasting method inside of the pores of periodic silica matrix of SBA15 type. The uniform size of the pores limited the particles' growth what resulted in formation of nanocomposite consisting of monodisperse nanoparticle...
Gespeichert in:
| Veröffentlicht in: | Физика низких температур |
|---|---|
| Datum: | 2017 |
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | English |
| Veröffentlicht: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2017
|
| Schlagworte: | |
| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/129502 |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Existence of cryogenic magnetic entropy change in Gd based nanoparticles / A. Zeleňáková, P. Hrubovčák, A. Berkutova, O. Kapusta, V. Zeleňák // Физика низких температур. — 2017. — Т. 43, № 6. — С. 867-870. — Бібліогр.: 18 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
nasplib_isofts_kiev_ua-123456789-129502 |
|---|---|
| record_format |
dspace |
| spelling |
Zeleňáková, A. Hrubovčák, P. Berkutova, A. Kapusta, O. Zeleňák, V. 2018-01-19T20:18:40Z 2018-01-19T20:18:40Z 2017 Existence of cryogenic magnetic entropy change in Gd based nanoparticles / A. Zeleňáková, P. Hrubovčák, A. Berkutova, O. Kapusta, V. Zeleňák // Физика низких температур. — 2017. — Т. 43, № 6. — С. 867-870. — Бібліогр.: 18 назв. — англ. 0132-6414 PACS: 75.30.Sg, 81.05.Rm, 75.20.Ck, 75.75.Fk https://nasplib.isofts.kiev.ua/handle/123456789/129502 Magnetic nanoparticles with average diameter of 5–7 nm were prepared by nanocasting method inside of the pores of periodic silica matrix of SBA15 type. The uniform size of the pores limited the particles' growth what resulted in formation of nanocomposite consisting of monodisperse nanoparticles of Gd₂O₃ embedded in amorphous silica matrix. Magnetic properties of the material were examined in magnetic fields up to 5 T and in temperature range 2–52 K. The magnetic entropy change of 29 J/kg K was observed at 2 K for field variation 5 T in the investigated nanocomposite what suggests this material could be feasible for cryomagnetic refrigeration applications. This work was supported by the Slovak Research and Development Agency under the contracts APVV-0073-14 and APVV-520-15 and by the VEGA projects (No. 1/0377/16, No. 1/0745/17). Authors would like to thank V. Girman for realization of TEM experiments. Author A.B. would like to thank Visegrad Fund under contract No. 51501516 for financial support. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Низкотемпеpатуpный магнетизм Existence of cryogenic magnetic entropy change in Gd based nanoparticles Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles |
| spellingShingle |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles Zeleňáková, A. Hrubovčák, P. Berkutova, A. Kapusta, O. Zeleňák, V. Низкотемпеpатуpный магнетизм |
| title_short |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles |
| title_full |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles |
| title_fullStr |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles |
| title_full_unstemmed |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles |
| title_sort |
existence of cryogenic magnetic entropy change in gd based nanoparticles |
| author |
Zeleňáková, A. Hrubovčák, P. Berkutova, A. Kapusta, O. Zeleňák, V. |
| author_facet |
Zeleňáková, A. Hrubovčák, P. Berkutova, A. Kapusta, O. Zeleňák, V. |
| topic |
Низкотемпеpатуpный магнетизм |
| topic_facet |
Низкотемпеpатуpный магнетизм |
| publishDate |
2017 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
Magnetic nanoparticles with average diameter of 5–7 nm were prepared by nanocasting method inside of the pores of periodic silica matrix of SBA15 type. The uniform size of the pores limited the particles' growth what resulted in formation of nanocomposite consisting of monodisperse nanoparticles of Gd₂O₃ embedded in amorphous silica matrix. Magnetic properties of the material were examined in magnetic fields up to 5 T and in temperature range 2–52 K. The magnetic entropy change of 29 J/kg K was observed at 2 K for field variation 5 T in the investigated nanocomposite what suggests this material could be feasible for cryomagnetic refrigeration applications.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/129502 |
| fulltext |
|
| citation_txt |
Existence of cryogenic magnetic entropy change in Gd based nanoparticles / A. Zeleňáková, P. Hrubovčák, A. Berkutova, O. Kapusta, V. Zeleňák // Физика низких температур. — 2017. — Т. 43, № 6. — С. 867-870. — Бібліогр.: 18 назв. — англ. |
| work_keys_str_mv |
AT zelenakovaa existenceofcryogenicmagneticentropychangeingdbasednanoparticles AT hrubovcakp existenceofcryogenicmagneticentropychangeingdbasednanoparticles AT berkutovaa existenceofcryogenicmagneticentropychangeingdbasednanoparticles AT kapustao existenceofcryogenicmagneticentropychangeingdbasednanoparticles AT zelenakv existenceofcryogenicmagneticentropychangeingdbasednanoparticles |
| first_indexed |
2025-11-25T20:43:33Z |
| last_indexed |
2025-11-25T20:43:33Z |
| _version_ |
1850536577421279232 |