Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites
We report on the magnetic and transport thermal measurements of nanosize (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganite. The nanoparticles were synthesized with use of co-precipitation method at different (800, 900 and 950 °C) temperatures. Their crystal structure was determined to be perovskite-like with a rhomb...
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| Published in: | Физика низких температур |
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| Date: | 2009 |
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| Language: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2009
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/117253 |
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| Cite this: | Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites / V. Dyakonov, A. Slawska-Waniewska, J. Kazmierczak, E. Zubov, S. Myronova, V. Pashchenko, A. Pashchenko, A. Shemjakov, V. Varyukhin, S. Prilipko, V. Mikhaylov, K. Piotrowski, Z. Kravchenko, O. Iesenchuk, A. Szytula, W. Bazela, H. Szymczak // Физика низких температур. — 2009. — Т. 35, № 7. — С. 725-734. — Бібліогр.: 29 назв. — англ. |
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Dyakonov, V. Slawska-Waniewska, A. Kazmierczak, J. Zubov, E. Myronova, S. Pashchenko, V. Pashchenko, A. Shemjakov, A. Varyukhin, V. Prilipko, S. Mikhaylov, V. Piotrowski, K. Kravchenko, Z. Iesenchuk, O. Szytula, A. Bazela, W. Szymczak, H. 2017-05-21T16:39:48Z 2017-05-21T16:39:48Z 2009 Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites / V. Dyakonov, A. Slawska-Waniewska, J. Kazmierczak, E. Zubov, S. Myronova, V. Pashchenko, A. Pashchenko, A. Shemjakov, V. Varyukhin, S. Prilipko, V. Mikhaylov, K. Piotrowski, Z. Kravchenko, O. Iesenchuk, A. Szytula, W. Bazela, H. Szymczak // Физика низких температур. — 2009. — Т. 35, № 7. — С. 725-734. — Бібліогр.: 29 назв. — англ. 0132-6414 PACS: 65.05.cp, 61.46.–w, 61.50.Ks, 62.50.–p, 75.47.Gk, 75.75.+a https://nasplib.isofts.kiev.ua/handle/123456789/117253 We report on the magnetic and transport thermal measurements of nanosize (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganite. The nanoparticles were synthesized with use of co-precipitation method at different (800, 900 and 950 °C) temperatures. Their crystal structure was determined to be perovskite-like with a rhombohedral distortion (the space group R3̅c). The phase composition and specific surface nanopowders were determined. The average size of synthesized nanoparticles (from 40 to 100 nm) was estimated by both the method of low-temperature adsorption of argon and x-ray diffraction measurements. All the nanosize samples show ferromagnetic-like ordering with close phase transition temperatures. Their magnetization decreases with reducing the particle size. Comparison of experimental and calculated temperature dependences of the spontaneous magnetic moment shows that the spontaneous magnetization both in magnetic field and without field is well described in the frame of the double exchange model. The decrease of magnetization with decreasing particle size is due to increasing the surface contribution to magnetization. The magnetic entropy was shown to increase with increasing applied magnetic field and to be smaller for the small particles. The resistivity was established to become higher with reducing the particles size at any temperatures. This work was in part of the research program of the Polish National Scientific Network «Materials with strongly correlated electrons». en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Наноструктуры при низких температурах Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites Article published earlier |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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| title |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites |
| spellingShingle |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites Dyakonov, V. Slawska-Waniewska, A. Kazmierczak, J. Zubov, E. Myronova, S. Pashchenko, V. Pashchenko, A. Shemjakov, A. Varyukhin, V. Prilipko, S. Mikhaylov, V. Piotrowski, K. Kravchenko, Z. Iesenchuk, O. Szytula, A. Bazela, W. Szymczak, H. Наноструктуры при низких температурах |
| title_short |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites |
| title_full |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites |
| title_fullStr |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites |
| title_full_unstemmed |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites |
| title_sort |
nanoparticles effect on magnetic and transport properties of (la₀,₇sr₀,₃)₀,₉mn₁.₁o₃ manganites |
| author |
Dyakonov, V. Slawska-Waniewska, A. Kazmierczak, J. Zubov, E. Myronova, S. Pashchenko, V. Pashchenko, A. Shemjakov, A. Varyukhin, V. Prilipko, S. Mikhaylov, V. Piotrowski, K. Kravchenko, Z. Iesenchuk, O. Szytula, A. Bazela, W. Szymczak, H. |
| author_facet |
Dyakonov, V. Slawska-Waniewska, A. Kazmierczak, J. Zubov, E. Myronova, S. Pashchenko, V. Pashchenko, A. Shemjakov, A. Varyukhin, V. Prilipko, S. Mikhaylov, V. Piotrowski, K. Kravchenko, Z. Iesenchuk, O. Szytula, A. Bazela, W. Szymczak, H. |
| topic |
Наноструктуры при низких температурах |
| topic_facet |
Наноструктуры при низких температурах |
| publishDate |
2009 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
We report on the magnetic and transport thermal measurements of nanosize (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganite. The nanoparticles were synthesized with use of co-precipitation method at different (800, 900 and 950 °C) temperatures. Their crystal structure was determined to be perovskite-like with a rhombohedral distortion (the space group R3̅c). The phase composition and specific surface nanopowders were determined. The average size of synthesized nanoparticles (from 40 to 100 nm) was estimated by both the method of low-temperature adsorption of argon and x-ray diffraction measurements. All the nanosize samples show ferromagnetic-like ordering with close phase transition temperatures. Their magnetization decreases with reducing the particle size. Comparison of experimental and calculated temperature dependences of the spontaneous magnetic moment shows that the spontaneous magnetization both in magnetic field and without field is well described in the frame of the double exchange model. The decrease of magnetization with decreasing particle size is due to increasing the surface contribution to magnetization. The magnetic entropy was shown to increase with increasing applied magnetic field and to be smaller for the small particles. The resistivity was established to become higher with reducing the particles size at any temperatures.
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| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/117253 |
| citation_txt |
Nanoparticles effect on magnetic and transport properties of (La₀,₇Sr₀,₃)₀,₉Mn₁.₁O₃ manganites / V. Dyakonov, A. Slawska-Waniewska, J. Kazmierczak, E. Zubov, S. Myronova, V. Pashchenko, A. Pashchenko, A. Shemjakov, V. Varyukhin, S. Prilipko, V. Mikhaylov, K. Piotrowski, Z. Kravchenko, O. Iesenchuk, A. Szytula, W. Bazela, H. Szymczak // Физика низких температур. — 2009. — Т. 35, № 7. — С. 725-734. — Бібліогр.: 29 назв. — англ. |
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2025-12-07T16:35:01Z |
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2025-12-07T16:35:01Z |
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