Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films
The amorphous, nanoclustered, and self-organizing bilayered Nd₀.₅Sr₀.₅MnO₃ films have been prepared
 by a rf-magnetron sputtering. The amorphous film turn out to be a typical paramagnet with a freely moving
 of the individual Mn spins, the magnetic properties of which are well descr...
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| Veröffentlicht in: | Физика низких температур |
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| Datum: | 2007 |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Zitieren: | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films / V.G. Prokhorov, G.G. Kaminsky, V.A. Komashko, Y.P. Lee, S.Y. Park, Y.H. Hyun, J.B. Kim, J.S. Park, V.L. Svetchnikov, V.P. Pashchenko, V.A. Khokhlov // Физика низких температур. — 2007. — Т. 33, № 08. — С. 889–896. — Бібліогр.: 25 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862537052210331648 |
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| author | Prokhorov, V.G. Kaminsky, G.G. Komashko, V.A. Lee, Y.P. Park, S.Y. Hyun, Y.H. Kim, J.B. Park, J.S. Svetchnikov, V.L. Pashchenko, V.P. Khokhlov, V.A. |
| author_facet | Prokhorov, V.G. Kaminsky, G.G. Komashko, V.A. Lee, Y.P. Park, S.Y. Hyun, Y.H. Kim, J.B. Park, J.S. Svetchnikov, V.L. Pashchenko, V.P. Khokhlov, V.A. |
| citation_txt | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films / V.G. Prokhorov, G.G. Kaminsky, V.A. Komashko, Y.P. Lee, S.Y. Park, Y.H. Hyun, J.B. Kim, J.S. Park, V.L. Svetchnikov, V.P. Pashchenko, V.A. Khokhlov // Физика низких температур. — 2007. — Т. 33, № 08. — С. 889–896. — Бібліогр.: 25 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | The amorphous, nanoclustered, and self-organizing bilayered Nd₀.₅Sr₀.₅MnO₃ films have been prepared
by a rf-magnetron sputtering. The amorphous film turn out to be a typical paramagnet with a freely moving
of the individual Mn spins, the magnetic properties of which are well described by the Curie–Weiss approximation.
The nanoclustered film manifests the magnetic properties mimic to the superparamagnetic particles
with a nonclassical magnetic dynamics. Taking into account the unique shape of the hysteresis loops, which
have hysteretic lobes at high magnetic field but are nonhysteretic as the field crosses zero, we suggest that
each particle (nanocluster) is the closure magnetic domain (or magnetic vortex) rather than the single one.
At the same time, the blocked to unblocked transition was observed with increasing temperature similar to
the usual superparamagnet. The self-organizing bilayered film demonstrates a negative exchange bias,
which is typical for the ferromagnet/antiferromagnet hybrid system in spite of that both layers in our case
have a ferromagnetic origin. The magnetic properties of the films are discussed in detail on the base of modern
theoretical models.
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| first_indexed | 2025-11-24T11:38:23Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-120920 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-11-24T11:38:23Z |
| publishDate | 2007 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Prokhorov, V.G. Kaminsky, G.G. Komashko, V.A. Lee, Y.P. Park, S.Y. Hyun, Y.H. Kim, J.B. Park, J.S. Svetchnikov, V.L. Pashchenko, V.P. Khokhlov, V.A. 2017-06-13T10:25:58Z 2017-06-13T10:25:58Z 2007 Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films / V.G. Prokhorov, G.G. Kaminsky, V.A. Komashko, Y.P. Lee, S.Y. Park, Y.H. Hyun, J.B. Kim, J.S. Park, V.L. Svetchnikov, V.P. Pashchenko, V.A. Khokhlov // Физика низких температур. — 2007. — Т. 33, № 08. — С. 889–896. — Бібліогр.: 25 назв. — англ. 0132-6414 PACS: 73.63.Bd, 75.47.Gk, 75.47.Lx, 75.75.+a https://nasplib.isofts.kiev.ua/handle/123456789/120920 The amorphous, nanoclustered, and self-organizing bilayered Nd₀.₅Sr₀.₅MnO₃ films have been prepared
 by a rf-magnetron sputtering. The amorphous film turn out to be a typical paramagnet with a freely moving
 of the individual Mn spins, the magnetic properties of which are well described by the Curie–Weiss approximation.
 The nanoclustered film manifests the magnetic properties mimic to the superparamagnetic particles
 with a nonclassical magnetic dynamics. Taking into account the unique shape of the hysteresis loops, which
 have hysteretic lobes at high magnetic field but are nonhysteretic as the field crosses zero, we suggest that
 each particle (nanocluster) is the closure magnetic domain (or magnetic vortex) rather than the single one.
 At the same time, the blocked to unblocked transition was observed with increasing temperature similar to
 the usual superparamagnet. The self-organizing bilayered film demonstrates a negative exchange bias,
 which is typical for the ferromagnet/antiferromagnet hybrid system in spite of that both layers in our case
 have a ferromagnetic origin. The magnetic properties of the films are discussed in detail on the base of modern
 theoretical models. This work was supported by the KOSEF through the
 Quantum Photonic Science Research Center. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Низкотемпеpатуpный магнетизм Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films Article published earlier |
| spellingShingle | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films Prokhorov, V.G. Kaminsky, G.G. Komashko, V.A. Lee, Y.P. Park, S.Y. Hyun, Y.H. Kim, J.B. Park, J.S. Svetchnikov, V.L. Pashchenko, V.P. Khokhlov, V.A. Низкотемпеpатуpный магнетизм |
| title | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films |
| title_full | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films |
| title_fullStr | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films |
| title_full_unstemmed | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films |
| title_short | Nonclassical magnetic dynamics and negative exchange bias in Nd₀.₅Sr₀.₅MnO₃ films |
| title_sort | nonclassical magnetic dynamics and negative exchange bias in nd₀.₅sr₀.₅mno₃ films |
| topic | Низкотемпеpатуpный магнетизм |
| topic_facet | Низкотемпеpатуpный магнетизм |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/120920 |
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