Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles
We study crystal structure and magnetic properties of La₁–xAgxMnO₃ nanopowders prepared by glycine—nitrate method. The particle size and crystal structure were modified by heat treatment. The average size of particle varies from about 26.6(4) nm for as prepared sample to 63.3(9) nm for annealed samp...
Saved in:
| Published in: | Физика низких температур |
|---|---|
| Date: | 2017 |
| Main Authors: | , , , , , , , |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2017
|
| Subjects: | |
| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/175138 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles / M. Zentková, M. Antoňák, M. Mihalik Jr., M. Vavra, V. Girman, M. Fitta, J. Briančin // Физика низких температур. — 2017. — Т. 43, № 8. — С. 1229-1235. — Бібліогр.: 15 назв. — англ. |
Institution
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862633778543853568 |
|---|---|
| author | Zentková, M. Antoňák, M. Mihalik, M. M. Mihalik Jr. Vavra, M. Girman, V. Fitta, M. Briančin, J. |
| author_facet | Zentková, M. Antoňák, M. Mihalik, M. M. Mihalik Jr. Vavra, M. Girman, V. Fitta, M. Briančin, J. |
| citation_txt | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles / M. Zentková, M. Antoňák, M. Mihalik Jr., M. Vavra, V. Girman, M. Fitta, J. Briančin // Физика низких температур. — 2017. — Т. 43, № 8. — С. 1229-1235. — Бібліогр.: 15 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | We study crystal structure and magnetic properties of La₁–xAgxMnO₃ nanopowders prepared by glycine—nitrate method. The particle size and crystal structure were modified by heat treatment. The average size of particle varies from about 26.6(4) nm for as prepared sample to 63.3(9) nm for annealed sample at 900 °C/2 h. Crystal structure changes from orthorhombic Pnma to rhombohedral R3⎯⎯c after annealing at 600 °C/2 h. The saturated magnetization μs and the Curie temperature TC increase with annealing; TC is more than doubled after annealing at 600 °C/2 h. Exchange bias phenomena were first observed on nanoparticles with orthorhombic crystal structure. The hysteresis loop shifts in horizontal and vertical direction after cooling in magnetic field μ₀Hcf ≠ 0 through TC. The values of exchange bias field μ₀HE, coercive field μ₀Hc, remnant asymmetry μE and coercive magnetization μc increase with increasing value of cooling field μ₀Hcf. In addition the training effect was observed.
|
| first_indexed | 2025-11-30T15:36:12Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-175138 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-11-30T15:36:12Z |
| publishDate | 2017 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Zentková, M. Antoňák, M. Mihalik, M. M. Mihalik Jr. Vavra, M. Girman, V. Fitta, M. Briančin, J. 2021-01-30T18:38:06Z 2021-01-30T18:38:06Z 2017 Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles / M. Zentková, M. Antoňák, M. Mihalik Jr., M. Vavra, V. Girman, M. Fitta, J. Briančin // Физика низких температур. — 2017. — Т. 43, № 8. — С. 1229-1235. — Бібліогр.: 15 назв. — англ. 0132-6414 PACS: 75.50.–y, 75.50.Tt, 75.47.Lx, 75.30.Kz https://nasplib.isofts.kiev.ua/handle/123456789/175138 We study crystal structure and magnetic properties of La₁–xAgxMnO₃ nanopowders prepared by glycine—nitrate method. The particle size and crystal structure were modified by heat treatment. The average size of particle varies from about 26.6(4) nm for as prepared sample to 63.3(9) nm for annealed sample at 900 °C/2 h. Crystal structure changes from orthorhombic Pnma to rhombohedral R3⎯⎯c after annealing at 600 °C/2 h. The saturated magnetization μs and the Curie temperature TC increase with annealing; TC is more than doubled after annealing at 600 °C/2 h. Exchange bias phenomena were first observed on nanoparticles with orthorhombic crystal structure. The hysteresis loop shifts in horizontal and vertical direction after cooling in magnetic field μ₀Hcf ≠ 0 through TC. The values of exchange bias field μ₀HE, coercive field μ₀Hc, remnant asymmetry μE and coercive magnetization μc increase with increasing value of cooling field μ₀Hcf. In addition the training effect was observed. This work was supported by the project ERDF EU, No. ITMS26220120005, VEGA 2/0132/16 and MAD SK-PL 16. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Low dimensionality and inhomogeneity effects in quantum matter Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles Article published earlier |
| spellingShingle | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles Zentková, M. Antoňák, M. Mihalik, M. M. Mihalik Jr. Vavra, M. Girman, V. Fitta, M. Briančin, J. Low dimensionality and inhomogeneity effects in quantum matter |
| title | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles |
| title_full | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles |
| title_fullStr | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles |
| title_full_unstemmed | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles |
| title_short | Effect of doping and annealing on crystal structure and magnetic properties of La₁–xAgxMnO₃ magnetic nanoparticles |
| title_sort | effect of doping and annealing on crystal structure and magnetic properties of la₁–xagxmno₃ magnetic nanoparticles |
| topic | Low dimensionality and inhomogeneity effects in quantum matter |
| topic_facet | Low dimensionality and inhomogeneity effects in quantum matter |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/175138 |
| work_keys_str_mv | AT zentkovam effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT antonakm effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT mihalikm effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT mmihalikjr effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT vavram effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT girmanv effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT fittam effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles AT briancinj effectofdopingandannealingoncrystalstructureandmagneticpropertiesofla1xagxmno3magneticnanoparticles |