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Single-Crystal Synthesis of ϵ-Fe2O3-Type Oxides Exhibiting Room-Temperature Ferrimagnetism and Ferroelectric Polarization
Zhang, Yang1,5; Wang, Hui1; Tachiyama, Koki2; Katayama, Tsukasa3; Zhu, Yinghao4; Wu, Si4; Li, Hai Feng4; Fang, Jinghong1; Li, Qin1; Shi, Yun1; Wang, Ling1; Fu, Zhengqian1; Xu, Fangfang1; Yu, Jianding1,6; Yasui, Shintaro2,7; Itoh, Mitsuru2,8
2021-09-01
Source PublicationCrystal Growth and Design
ISSN1528-7483
Volume21Issue:9Pages:4904-4908
Abstract

The coexistence of ferrimagnetic and ferroelectric orders in ϵ-Fe2O3 at room temperature makes it a promising multiferroic material. However, to investigate and enhance the ferroic functionalities, single crystals of this oxide must be synthesized. In this study, we successfully synthesized ϵ-Fe2O3-type single crystals, which exhibited room-temperature ferrimagnetism and spontaneous ferroelectric polarization simultaneously by codoping ϵ-Fe2O3 with Ga3+ and Sc3+. Using a floating zone method, large (diameter of ∼6 mm and length of ∼70 mm) and high-quality ϵ-ScxGa0.75-xFe1.25O3 (x = 0.05-0.15) single-crystal rods were obtained. The crystals exhibited strong magnetic anisotropy along the a-axis at 300 K. The magnetic transition temperature and the coercive field at 300 K decreased with increasing x. In addition, magnetic-field-induced modulation of the polarization was observed at a relatively high temperature (150 K) with a magnetoelectric coefficient of (2-5) × 10-11 S/m.

DOI10.1021/acs.cgd.1c00310
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Crystallography ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Crystallography ; Materials Science, Multidisciplinary
WOS IDWOS:000693047300009
Scopus ID2-s2.0-85112583357
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorKatayama, Tsukasa; Yu, Jianding; Yasui, Shintaro
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, China
2.Laboratory for Materials and Structures, Tokyo Institute of Technology, Yokohama, 4259 Nagatsuta, Midori-ku, 226-8503, Japan
3.Department of Chemistry, University of Tokyo, Tokyo, Bunkyo-ku, 113-0033, Japan
4.Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, 999078, Macao
5.Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, 100094, China
6.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
7.Laboratory for Zero-Carbon Energy, Tokyo Institute of Technology, Tokyo, 2-12-1 Ookayama, Meguro-ku, 152-8550, Japan
8.Research Institute for Advanced Electronics and Photonics (RIAEP), National Institute of Advanced Industrial Science and Technology, Central-2, Tsukuba, 1-1-1 Umezono Ibaraki, 305-8568, Japan
Recommended Citation
GB/T 7714
Zhang, Yang,Wang, Hui,Tachiyama, Koki,et al. Single-Crystal Synthesis of ϵ-Fe2O3-Type Oxides Exhibiting Room-Temperature Ferrimagnetism and Ferroelectric Polarization[J]. Crystal Growth and Design,2021,21(9):4904-4908.
APA Zhang, Yang,Wang, Hui,Tachiyama, Koki,Katayama, Tsukasa,Zhu, Yinghao,Wu, Si,Li, Hai Feng,Fang, Jinghong,Li, Qin,Shi, Yun,Wang, Ling,Fu, Zhengqian,Xu, Fangfang,Yu, Jianding,Yasui, Shintaro,&Itoh, Mitsuru.(2021).Single-Crystal Synthesis of ϵ-Fe2O3-Type Oxides Exhibiting Room-Temperature Ferrimagnetism and Ferroelectric Polarization.Crystal Growth and Design,21(9),4904-4908.
MLA Zhang, Yang,et al."Single-Crystal Synthesis of ϵ-Fe2O3-Type Oxides Exhibiting Room-Temperature Ferrimagnetism and Ferroelectric Polarization".Crystal Growth and Design 21.9(2021):4904-4908.
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