Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃]
The static and dynamic aspects of magnetic behavior of the complex of iron with 1-nitroso-2-naphthol Na[FeO₆(C₁₀H₆N)₃] as a function of temperature, frequency and magnetic field have been analysed. The ac susceptibility ( ac) and dc magnetization (Mdc) were measured over a temperature range of 1...
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| Дата: | 2014 |
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| Автори: | , , , , , |
| Формат: | Стаття |
| Мова: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2014
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| Назва видання: | Физика низких температур |
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| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/119632 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] / V.P. Dyakonov, E. Zubov, E. Aksimentyeva, K. Dyakonov, S. Piechota, H. Szymczak // Физика низких температур. — 2014. — Т. 40, № 7. — С. 835-841. — Бібліогр.: 22 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
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irk-123456789-1196322017-06-08T03:04:55Z Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] Dyakonov, V.P. Zubov, E. Aksimentyeva, E. Dyakonov, K. Piechota, S. Szymczak, H. Низкотемпеpатуpный магнетизм The static and dynamic aspects of magnetic behavior of the complex of iron with 1-nitroso-2-naphthol Na[FeO₆(C₁₀H₆N)₃] as a function of temperature, frequency and magnetic field have been analysed. The ac susceptibility ( ac) and dc magnetization (Mdc) were measured over a temperature range of 1.5–200 K in external magnetic field up to 90 kOe and over a frequency range of 95–2000 Hz. The experimental data indicate the absence of magnetic long range order in this complex. The magnetization does not reach a saturation in field of 90 kOe at 1.5 K. At low temperatures, the following characteristic peculiarities of magnetic behavior of complex studied have been found, namely : cusp-like anomalies in the ac susceptibility and zero field coold (ZFC) magnetization at Tcusp = = 17 K; frequency dependence of the Tcusp temperature; remanence and time-dependent relaxation of ZFC magnetization. Attempts were made to compare the ac and Mdc anomalies in complex studied with those of other magnetic systems. Comparison of characteristic peculiarities of magnetic behavior of the spin-glasses and superparamagnets was also performed. Although superparamagnetic behavior should not be completely ruled out as an explanation of the freezing phenomena in sample studied, the analysis of experimental results strongly suggests that the spin-glasslike behavior is a more consistent explanation. 2014 Article Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] / V.P. Dyakonov, E. Zubov, E. Aksimentyeva, K. Dyakonov, S. Piechota, H. Szymczak // Физика низких температур. — 2014. — Т. 40, № 7. — С. 835-841. — Бібліогр.: 22 назв. — англ. 0132-6414 PACS 75.10.Nr, 75.20.Ck, 75.60.Ej, 75.50.Lk http://dspace.nbuv.gov.ua/handle/123456789/119632 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 Dyakonov, V.P. Zubov, E. Aksimentyeva, E. Dyakonov, K. Piechota, S. Szymczak, H. Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] Физика низких температур |
| description |
The static and dynamic aspects of magnetic behavior of the complex of iron with 1-nitroso-2-naphthol
Na[FeO₆(C₁₀H₆N)₃] as a function of temperature, frequency and magnetic field have been analysed. The ac susceptibility
( ac) and dc magnetization (Mdc) were measured over a temperature range of 1.5–200 K in external magnetic
field up to 90 kOe and over a frequency range of 95–2000 Hz. The experimental data indicate the absence of magnetic
long range order in this complex. The magnetization does not reach a saturation in field of 90 kOe at 1.5 K. At
low temperatures, the following characteristic peculiarities of magnetic behavior of complex studied have been
found, namely : cusp-like anomalies in the ac susceptibility and zero field coold (ZFC) magnetization at Tcusp =
= 17 K; frequency dependence of the Tcusp temperature; remanence and time-dependent relaxation of ZFC magnetization.
Attempts were made to compare the ac and Mdc anomalies in complex studied with those of other magnetic
systems. Comparison of characteristic peculiarities of magnetic behavior of the spin-glasses and superparamagnets
was also performed. Although superparamagnetic behavior should not be completely ruled out as an explanation of
the freezing phenomena in sample studied, the analysis of experimental results strongly suggests that the spin-glasslike
behavior is a more consistent explanation. |
| format |
Article |
| author |
Dyakonov, V.P. Zubov, E. Aksimentyeva, E. Dyakonov, K. Piechota, S. Szymczak, H. |
| author_facet |
Dyakonov, V.P. Zubov, E. Aksimentyeva, E. Dyakonov, K. Piechota, S. Szymczak, H. |
| author_sort |
Dyakonov, V.P. |
| title |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] |
| title_short |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] |
| title_full |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] |
| title_fullStr |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] |
| title_full_unstemmed |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] |
| title_sort |
low-temperature magnetic behavior of the organic-based magnet na[feo₆(c₁₀h₆n)₃] |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2014 |
| topic_facet |
Низкотемпеpатуpный магнетизм |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/119632 |
| citation_txt |
Low-temperature magnetic behavior of the organic-based magnet Na[FeO₆(C₁₀H₆N)₃] / V.P. Dyakonov, E. Zubov, E. Aksimentyeva, K. Dyakonov, S. Piechota, H. Szymczak // Физика низких температур. — 2014. — Т. 40, № 7. — С. 835-841. — Бібліогр.: 22 назв. — англ. |
| series |
Физика низких температур |
| work_keys_str_mv |
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2023-10-18T20:35:03Z |
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