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In-Plane Magnetic Domains and Neel-like Domain Walls in Thin Flakes of the Room Temperature CrTe2 Van der Waals Ferromagnet
Purbawati, Anike; Coraux, Johann; Vogel, Jan; Hadj-Azzem, Abdellali; Wu, NianJheng; Bendiab, Nedjma; Jegouso, David; Renard, Julien; Marty, Laetitia; Bouchiat, Vincent; Sulpice, Andre; Aballe, Lucia; Foerster, Michael; Genuzio, Francesca; Locatelli, Andrea; Mentes, Tevfik Onur; Han, Zheng Vitto; Sun, Xingdan; Nunez-Regueiro, Manuel; Rougemaille, Nicolas
2020-07-08
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume12Issue:27Pages:30702-30710
AbstractThe recent discovery of magnetic van der Waals (\M) materials triggered a wealth of investigations in materials science and now offers genuinely new prospects for both fundamental and applied research. Although the catalog of vdW ferromagnets is rapidly expanding, most of them have a Curie temperature below 300 K, a notable disadvantage for potential applications. Combining element-selective X-ray magnetic imaging and magnetic force microscopy, we resolve at room temperature the magnetic domains and domain walls in micron-sized flakes of the CrTe2 vdW ferromagnet. Flux-closure magnetic patterns suggesting an in-plane six-fold symmetry are observed. Upon annealing the material above its Curie point (315 K), the magnetic domains disappear. By cooling back the sample, a different magnetic domain distribution is obtained, indicating material stability and lack of magnetic memory upon thermal cycling. The domain walls presumably have Neel texture, are preferentially oriented along directions separated by 120 degrees, and have a width of several tens of nanometers. Besides microscopic mapping of magnetic domains and domain walls, the coercivity of the material is found to be of a few millitesla only, showing that the CrTe2 compound is magnetically soft. The coercivity is found to increase as the volume of the material decreases.
DOI10.1021/acsami.0c07017
WOS IDWOS:000550633400070
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82702
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Purbawati, Anike,Coraux, Johann,Vogel, Jan,et al. In-Plane Magnetic Domains and Neel-like Domain Walls in Thin Flakes of the Room Temperature CrTe2 Van der Waals Ferromagnet[J]. ACS APPLIED MATERIALS & INTERFACES,2020,12(27):30702-30710.
APA Purbawati, Anike.,Coraux, Johann.,Vogel, Jan.,Hadj-Azzem, Abdellali.,Wu, NianJheng.,...&Rougemaille, Nicolas.(2020).In-Plane Magnetic Domains and Neel-like Domain Walls in Thin Flakes of the Room Temperature CrTe2 Van der Waals Ferromagnet.ACS APPLIED MATERIALS & INTERFACES,12(27),30702-30710.
MLA Purbawati, Anike,et al."In-Plane Magnetic Domains and Neel-like Domain Walls in Thin Flakes of the Room Temperature CrTe2 Van der Waals Ferromagnet".ACS APPLIED MATERIALS & INTERFACES 12.27(2020):30702-30710.
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