Отправить статью по E-mail Magnetic properties of composite materials based on plant- or mineral-derived amorphous silica
- Авторы: Panasenko A.E.1,2, Tkachenko I.A.1, Kvach A.A.1, Zemnukhova L.A.1,2
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Учреждения:
- Institute of Chemistry, Far-East Branch
- Far-East Federal University
- Выпуск: Том 62, № 7 (2017)
- Страницы: 971-975
- Раздел: Physical Methods of Investigation
- URL: https://journals.rcsi.science/0036-0236/article/view/167871
- DOI: https://doi.org/10.1134/S0036023617070166
- ID: 167871
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Аннотация
Fex(O, OH)y–SiO2 composite samples are prepared. The composite matrix is amorphous silica prepared by controlled precipitation from silicate solutions or silica derived from rice husks. The iron is shown to exist in the form of acagenite β-FeO(OH) or hematite α-Fe2O3. The magnetic properties of the composites are studied at temperatures in the range 2–300 K and fields in the range ±5 T. The composite samples exhibit superparamagnetic properties.
Об авторах
A. Panasenko
Institute of Chemistry, Far-East Branch; Far-East Federal University
Email: skulini_86@mail.ru
Россия, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022; Ayaks vil. 10, Vladivostok, 690000
I. Tkachenko
Institute of Chemistry, Far-East Branch
Email: skulini_86@mail.ru
Россия, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022
A. Kvach
Institute of Chemistry, Far-East Branch
Автор, ответственный за переписку.
Email: skulini_86@mail.ru
Россия, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022
L. Zemnukhova
Institute of Chemistry, Far-East Branch; Far-East Federal University
Email: skulini_86@mail.ru
Россия, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022; Ayaks vil. 10, Vladivostok, 690000
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