Мақаланы E-mail арқылы жіберу Opticheskiy lineynyy dikhroizm v ab-ploskosti ferroborata NdFe3(BO3)4
- Авторлар: Boldyrev K.1, Diab M.2, Gudim I.3, Popova M.1
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Мекемелер:
- Institute of Spectroscopy, Russian Academy of Sciences
- Moscow Institute of Physics and Technology (State University)
- Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences
- Шығарылым: Том 164, № 4 (2023)
- Беттер: 563-568
- Бөлім: Articles
- URL: https://journals.rcsi.science/0044-4510/article/view/247324
- DOI: https://doi.org/10.31857/S0044451023100085
- EDN: https://elibrary.ru/XKPLIJ
- ID: 247324
Дәйексөз келтіру
Ашық рұқсат
Рұқсат берілді
Тек жазылушылар үшін
Аннотация
he high-resolution optical absorption spectra of NdFe3(BO3)4 single crystals have been recorded at temperatures from 4 to 40 K in the IR range of f–f transitions in a Nd3+ ion. Light linearly polarized at different angles to the C2 axes in the basal plane has been passed along the trigonal C3 axis. Below the temperature of magnetic moment ordering into a collinear antiferromagnetic structure (TN ≈ 30 K), dichroism, that is, the absorption versus polarization dependence, arises. The temperature and angular dependences of dichroism indicate that the magnetic moments of iron are directed along the C2 axes up to about 17 K, the number of domains with variously directed C2 axes being different. The mechanism of linear dichroism has been discussed. Below 17 K, a smooth transition to the helicoidal magnetic phase has been observed, with the collinear phase coexisting with the helicoidal one. Data presented in this article contradict the earlier concept of magnetic moments fluctuating in the low-temperature phase near the C2 axis within the ±10° interval.
Авторлар туралы
K. Boldyrev
Institute of Spectroscopy, Russian Academy of Sciences
Email: popova@isan.troitsk.ru
108840, Troitsk, Moscow, Russia
M. Diab
Moscow Institute of Physics and Technology (State University)
Email: popova@isan.troitsk.ru
141700, Dolgoprudnyi, Moscow oblast, Russia
I. Gudim
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences
Email: popova@isan.troitsk.ru
660036, Krasnoyarsk, Russia
M. Popova
Institute of Spectroscopy, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: popova@isan.troitsk.ru
108840, Troitsk, Moscow, Russia
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