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Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism
Using ⁵⁷Co emission Mössbauer technique, we present clear evidence that in Ca-doped manganite, the magnetic and paramagnetic phases coexist below Tc, with the abundance of the latter increasing with temperature. In contrast with the regular ferromagnetic materials, the variation of the hyperfine int...
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
1997
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irk-123456789-1757132021-02-03T01:27:46Z Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism Chechersky, V. Nath, A. Ju, H. Greene, R.L. Низкотемпеpатуpный магнетизм Using ⁵⁷Co emission Mössbauer technique, we present clear evidence that in Ca-doped manganite, the magnetic and paramagnetic phases coexist below Tc, with the abundance of the latter increasing with temperature. In contrast with the regular ferromagnetic materials, the variation of the hyperfine internal magnetic field Hint with temperature deviates considerably from the Brillouin relation, and exhibits an abrupt drop at Tc. These features characterize the magnetic transition as a first-order transition. The non-Brillouin behavior of Hint(T) and the temperature dependence of the shape of the magnetically split sextet indicate the presence of spin fluctuations in this material well below Tc. 1997 Article Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism / V. Chechersky, A. Nath, H. Ju and R.L. Greene // Физика низких температур. — 1997. — Т. 23, № 7. — С. 727-731. — Бібліогр.: 26 назв. — англ. 0132-6414 PACS: 76.80.+ y http://dspace.nbuv.gov.ua/handle/123456789/175713 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Низкотемпеpатуpный магнетизм Низкотемпеpатуpный магнетизм |
| spellingShingle |
Низкотемпеpатуpный магнетизм Низкотемпеpатуpный магнетизм Chechersky, V. Nath, A. Ju, H. Greene, R.L. Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism Физика низких температур |
| description |
Using ⁵⁷Co emission Mössbauer technique, we present clear evidence that in Ca-doped manganite, the magnetic and paramagnetic phases coexist below Tc, with the abundance of the latter increasing with temperature. In contrast with the regular ferromagnetic materials, the variation of the hyperfine internal magnetic field Hint with temperature deviates considerably from the Brillouin relation, and exhibits an abrupt drop at Tc. These features characterize the magnetic transition as a first-order transition. The non-Brillouin behavior of Hint(T) and the temperature dependence of the shape of the magnetically split sextet indicate the presence of spin fluctuations in this material well below Tc. |
| format |
Article |
| author |
Chechersky, V. Nath, A. Ju, H. Greene, R.L. |
| author_facet |
Chechersky, V. Nath, A. Ju, H. Greene, R.L. |
| author_sort |
Chechersky, V. |
| title |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism |
| title_short |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism |
| title_full |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism |
| title_fullStr |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism |
| title_full_unstemmed |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism |
| title_sort |
emission mössbauer study of cmr manganite la₀.₈ca₀.₂mno₃. i. anomalous ferromagnetism |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
1997 |
| topic_facet |
Низкотемпеpатуpный магнетизм |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/175713 |
| citation_txt |
Emission Mössbauer study of CMR manganite La₀.₈Ca₀.₂MnO₃. I. Anomalous ferromagnetism / V. Chechersky, A. Nath, H. Ju and R.L. Greene // Физика низких температур. — 1997. — Т. 23, № 7. — С. 727-731. — Бібліогр.: 26 назв. — англ. |
| series |
Физика низких температур |
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AT checherskyv emissionmossbauerstudyofcmrmanganitela08ca02mno3ianomalousferromagnetism AT natha emissionmossbauerstudyofcmrmanganitela08ca02mno3ianomalousferromagnetism AT juh emissionmossbauerstudyofcmrmanganitela08ca02mno3ianomalousferromagnetism AT greenerl emissionmossbauerstudyofcmrmanganitela08ca02mno3ianomalousferromagnetism |
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2023-10-18T22:39:25Z |
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2023-10-18T22:39:25Z |
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1796156093572841472 |