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Phase-controllable growth of ultrathin 2D magnetic FeTe crystals
Kang, Lixing1,2; Ye, Chen3; Zhao, Xiaoxu4; Zhou, Xieyu5; Hu, Junxiong6; Li, Qiao7; Liu, Dan8,9; Das, Chandreyee Manas2; Yang, Jiefu1; Hu, Dianyi1; Chen, Jieqiong1; Cao, Xun1; Zhang, Yong1; Xu, Manzhang1; Di, Jun1; Tian, Dan1; Song, Pin1; Kutty, Govindan1; Zeng, Qingsheng1; Fu, Qundong1; Deng, Ya1; Zhou, Jiadong1; Ariando, Ariando6; Miao, Feng7; Hong, Guo8,9; Huang, Yizhong1; Pennycook, Stephen J.4; Yong, Ken Tye2; Ji, Wei5; Renshaw Wang, Xiao3,10; Liu, Zheng1,2,10
2020-12-01
Source PublicationNature Communications
ISSN2041-1723
Volume11Issue:1
Abstract

Two-dimensional (2D) magnets with intrinsic ferromagnetic/antiferromagnetic (FM/AFM) ordering are highly desirable for future spintronic devices. However, the direct growth of their crystals is in its infancy. Here we report a chemical vapor deposition approach to controllably grow layered tetragonal and non-layered hexagonal FeTe nanoplates with their thicknesses down to 3.6 and 2.8 nm, respectively. Moreover, transport measurements reveal these obtained FeTe nanoflakes show a thickness-dependent magnetic transition. Antiferromagnetic tetragonal FeTe with the Néel temperature (T) gradually decreases from 70 to 45 K as the thickness declines from 32 to 5 nm. And ferromagnetic hexagonal FeTe is accompanied by a drop of the Curie temperature (T) from 220 K (30 nm) to 170 K (4 nm). Theoretical calculations indicate that the ferromagnetic order in hexagonal FeTe is originated from its concomitant lattice distortion and Stoner instability. This study highlights its potential applications in future spintronic devices.

DOI10.1038/s41467-020-17253-x
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000556361600001
Scopus ID2-s2.0-85088381537
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Cited Times [WOS]:38   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorYong, Ken Tye; Ji, Wei; Renshaw Wang, Xiao; Liu, Zheng
Affiliation1.School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
2.CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, Singapore, 637553, Singapore
3.School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 639798, Singapore
4.Department of Materials Science and Engineering, National University of Singapore, Singapore, 117575, Singapore
5.Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Renmin University of China, Beijing, 100872, China
6.Department of Physics, National University of Singapore, Singapore, 117551, Singapore
7.National Laboratory of Solid State Microstructures, School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China
8.Institute of Applied Physics and Materials Engineering, University of Macau, 999078, Macao
9.Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, 999078, Macao
10.Centre for Micro-/Nano-electronics (NOVITAS), School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore
Recommended Citation
GB/T 7714
Kang, Lixing,Ye, Chen,Zhao, Xiaoxu,et al. Phase-controllable growth of ultrathin 2D magnetic FeTe crystals[J]. Nature Communications,2020,11(1).
APA Kang, Lixing.,Ye, Chen.,Zhao, Xiaoxu.,Zhou, Xieyu.,Hu, Junxiong.,Li, Qiao.,Liu, Dan.,Das, Chandreyee Manas.,Yang, Jiefu.,Hu, Dianyi.,Chen, Jieqiong.,Cao, Xun.,Zhang, Yong.,Xu, Manzhang.,Di, Jun.,Tian, Dan.,Song, Pin.,Kutty, Govindan.,Zeng, Qingsheng.,...&Liu, Zheng.(2020).Phase-controllable growth of ultrathin 2D magnetic FeTe crystals.Nature Communications,11(1).
MLA Kang, Lixing,et al."Phase-controllable growth of ultrathin 2D magnetic FeTe crystals".Nature Communications 11.1(2020).
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