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Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Acta Physica Sinica
,  том 69 ,  издание 20 ,  страницы 207802

Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals

Тип публикации: Journal Article
Дата публикации: 2020-11-18
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
SCImago Q4
WOS Q3
БС3
SJR: 0.222
CiteScore: 1.8
Impact factor: 1
ISSN: 10003290
General Physics and Astronomy
Краткое описание
In this paper, the effects of magnetic field and nonmagnetic Y<sup>3+</sup> doping on spin state and spin reorientation in HoFeO<sub>3</sub> single crystal are systematically studied by the self-developed terahertz time-domain spectroscopy (THz-TDS) under magnetic field. By doping nonmagnetic Y<sup>3+</sup>, we find that the spin reorientation temperature range decreases. Meanwhile, we also find the type of spin reorientation of HoFeO<sub>3</sub> does not change with Y<sup>3+</sup> doping, indicating that the Y<sup>3+</sup> doping can exchange the interaction energy of Ho<sup>3+</sup>-Fe<sup>3+</sup> without introducing any new magnetic structure. Moreover, the resonance frequency of quasi-ferromagnetic mode (q-FM) decreases with temperature increasing in the low temperature range, while the resonance frequency of quasi-antiferromagnetic mode (q-AFM) increases with temperature increasing in the high temperature range in Ho<sub>1–<i>x</i></sub>Y<sub><i>x</i></sub>FeO<sub>3</sub> single crystals. With the external magnetic field (<i> <b>H</b> </i><sub>DC</sub>) applied along the (110) axis, on the one hand the magnetic field can not only tune the resonant frequency of q-FM but also induce the spin reorientation in Ho<sub>1–<i>x</i></sub>Y<sub><i>x</i></sub>FeO<sub>3</sub> single crystals, and on the other hand this magnetic field induced spin reorientation phenomenon can happen more easily if the temperature approaches to the intrinsic spin reorientation temperature range of the single crystals. Besides, the critical magnetic field induced spin reorientation increases with the doping of Y<sup>3+</sup> increasing. Our research shows that THz spectroscopy data can be used to detect the doping concentration of Y<sup>3+</sup> ions in HoFeO<sub>3</sub>; in addition, Y<sup>3+</sup> doping can make the spin state in HoFeO<sub>3</sub> crystal more stable and not easily affected by external magnetic fields. We anticipate that the role of doping and magnetic field in spin reorientation transition will trigger great interest in understanding the mechanism of the spin exchange interaction and the mechanism of external field tuning effect in the vast family of rare earth orthoferrites.
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Ren Z. et al. Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals // Acta Physica Sinica. 2020. Vol. 69. No. 20. p. 207802.
ГОСТ со всеми авторами (до 50) Скопировать
Ren Z., Shang J. M., Ma Z. W., Zhou C., Sheng Z. G., Cheng L., Sergei G., Nadzeya L., Li J., Shang J., Barilo S., Wu A., Alexandra K., Ma Z., Sheng Z. Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals // Acta Physica Sinica. 2020. Vol. 69. No. 20. p. 207802.
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TY - JOUR
DO - 10.7498/aps.69.20201518
UR - https://doi.org/10.7498/aps.69.20201518
TI - Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals
T2 - Acta Physica Sinica
AU - Ren, Zhuang
AU - Shang, Jia Min
AU - Ma, Zong Wei
AU - Zhou, Chun
AU - Sheng, Zhi Gao
AU - Cheng, Long
AU - Sergei, Guretskii
AU - Nadzeya, Liubochko
AU - Li, Jiang-Tao
AU - Shang, Jia-Min
AU - Barilo, Sergei
AU - Wu, An-hua
AU - Alexandra, Kalashnikova
AU - Ma, Zong-Wei
AU - Sheng, Zhi-Gao
PY - 2020
DA - 2020/11/18
PB - Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
SP - 207802
IS - 20
VL - 69
SN - 1000-3290
ER -
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@article{2020_Ren,
author = {Zhuang Ren and Jia Min Shang and Zong Wei Ma and Chun Zhou and Zhi Gao Sheng and Long Cheng and Guretskii Sergei and Liubochko Nadzeya and Jiang-Tao Li and Jia-Min Shang and Sergei Barilo and An-hua Wu and Kalashnikova Alexandra and Zong-Wei Ma and Zhi-Gao Sheng},
title = {Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals},
journal = {Acta Physica Sinica},
year = {2020},
volume = {69},
publisher = {Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences},
month = {nov},
url = {https://doi.org/10.7498/aps.69.20201518},
number = {20},
pages = {207802},
doi = {10.7498/aps.69.20201518}
}
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Ren, Zhuang, et al. “Terahertz spectroscopy study of doping and magnetic field induced effects on spin reorientation in Ho1-xYxFeO3 single crystals.” Acta Physica Sinica, vol. 69, no. 20, Nov. 2020, p. 207802. https://doi.org/10.7498/aps.69.20201518.
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