| Форма представления | Статьи в зарубежных журналах и сборниках |
| Год публикации | 2021 |
| Язык | английский |
|
Вагизов Фарит Габдулхакович, автор
Зиннатуллин Алмаз Линарович, автор
Черосов Михаил Андреевич, автор
Юсупов Роман Валерьевич, автор
|
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Бирюков Ярослав , автор
|
| Библиографическое описание на языке оригинала |
Biryukov Y. P. Low temperature inves-tigation of iron-rich oxoborates vonsenite and hulsite: thermal de-formations of crystal structure and cascades of magnetic transitions / Yaroslav P. Biryukov, Almaz L. Zinnatullin, Mikhail A. Cherosov, Andrey P. Shablinskii, Roman V. Yusupov, Rimma S. Bubnova, Farit G. Vagizov, Stanislav K. Filatov, M. S. Avdonceva, Igor V. Pekov // Acta Crystallographica Section B. - 2021. - Vol. B77, -P.1021-1034 https://doi.org/10.1107/S2052520621010866
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| Аннотация |
This work is devoted to an investigation of the magnetic properties and thermal behaviour of the natural oxoborates vonsenite and hulsite in the temperature range 5–500 K. The local environment, the oxidation states of the Fe and Sn atoms, and the charge distribution were determined using Mossbauer spectroscopy and are in accordance with a refinement of the crystal structure of hulsite from single-crystal X-ray diffraction data (SCXRD) in anisotropic approximation for the first time. The magnetic properties were studied by vibrating sample
magnetometry (VSM) (5-400 K) and are reported for the first time for iron-rich hulsite. Both oxoborates show a very complex magnetic behaviour. Cascades of magnetic transitions are revealed and the critical temperatures were determined. The sequences of magnetic transitions in both vonsenite and hulsite with increasing temperature were found to be as follows: magnetically ordered state - partial magnetic ordering - paramagnetic state. According to low temperature X-ray diffraction (LTXRD) data (93-500 K), these processes are accompanied by anomalies in the unit-cell parameters and thermal expansion of the oxoborates at critical temperatures. A strong negative volume thermal expansion is observed for both oxoborates at temperatures below 120 K, which is accompanied by a compression of the crystal structures.
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| Ключевые слова |
vonsenite, hulsite, ludwigite group, pinakiolite group, crystal structure, Mossbauer spectroscopy |
| Название журнала |
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials
|
| URL |
https://doi.org/10.1107/S2052520621010866 |
| Пожалуйста, используйте этот идентификатор, чтобы цитировать или ссылаться на эту карточку |
https://repository.kpfu.ru/?p_id=259684 |
| Файлы ресурса | |
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Полная запись метаданных  |
| Поле DC |
Значение |
Язык |
| dc.contributor.author |
Вагизов Фарит Габдулхакович |
ru_RU |
| dc.contributor.author |
Зиннатуллин Алмаз Линарович |
ru_RU |
| dc.contributor.author |
Черосов Михаил Андреевич |
ru_RU |
| dc.contributor.author |
Юсупов Роман Валерьевич |
ru_RU |
| dc.contributor.author |
Бирюков Ярослав |
ru_RU |
| dc.date.accessioned |
2021-01-01T00:00:00Z |
ru_RU |
| dc.date.available |
2021-01-01T00:00:00Z |
ru_RU |
| dc.date.issued |
2021 |
ru_RU |
| dc.identifier.citation |
Biryukov Y. P. Low temperature inves-tigation of iron-rich oxoborates vonsenite and hulsite: thermal de-formations of crystal structure and cascades of magnetic transitions / Yaroslav P. Biryukov, Almaz L. Zinnatullin, Mikhail A. Cherosov, Andrey P. Shablinskii, Roman V. Yusupov, Rimma S. Bubnova, Farit G. Vagizov, Stanislav K. Filatov, M. S. Avdonceva, Igor V. Pekov // Acta Crystallographica Section B. - 2021. - Vol. B77, -P.1021-1034 https://doi.org/10.1107/S2052520621010866
|
ru_RU |
| dc.identifier.uri |
https://repository.kpfu.ru/?p_id=259684 |
ru_RU |
| dc.description.abstract |
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials |
ru_RU |
| dc.description.abstract |
This work is devoted to an investigation of the magnetic properties and thermal behaviour of the natural oxoborates vonsenite and hulsite in the temperature range 5–500 K. The local environment, the oxidation states of the Fe and Sn atoms, and the charge distribution were determined using Mossbauer spectroscopy and are in accordance with a refinement of the crystal structure of hulsite from single-crystal X-ray diffraction data (SCXRD) in anisotropic approximation for the first time. The magnetic properties were studied by vibrating sample
magnetometry (VSM) (5-400 K) and are reported for the first time for iron-rich hulsite. Both oxoborates show a very complex magnetic behaviour. Cascades of magnetic transitions are revealed and the critical temperatures were determined. The sequences of magnetic transitions in both vonsenite and hulsite with increasing temperature were found to be as follows: magnetically ordered state - partial magnetic ordering - paramagnetic state. According to low temperature X-ray diffraction (LTXRD) data (93-500 K), these processes are accompanied by anomalies in the unit-cell parameters and thermal expansion of the oxoborates at critical temperatures. A strong negative volume thermal expansion is observed for both oxoborates at temperatures below 120 K, which is accompanied by a compression of the crystal structures.
|
ru_RU |
| dc.language.iso |
ru |
ru_RU |
| dc.subject |
vonsenite |
ru_RU |
| dc.subject |
hulsite |
ru_RU |
| dc.subject |
ludwigite group |
ru_RU |
| dc.subject |
pinakiolite group |
ru_RU |
| dc.subject |
crystal structure |
ru_RU |
| dc.subject |
Mossbauer spectroscopy |
ru_RU |
| dc.title |
Low temperature inves-tigation of iron-rich oxoborates vonsenite and hulsite: thermal de-formations of crystal structure and cascades of magnetic transitions |
ru_RU |
| dc.type |
Статьи в зарубежных журналах и сборниках |
ru_RU |
|
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