Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature.
Qian Li
1
,
Meng-Meng Yang
1
,
Cheng Gong
2
,
Gong Chen
3
,
Sheng Wang
1
,
Kai Liu
3, 4
,
Nan Gao
1
,
Alemayehu S. Admasu
5
,
Sang-Wook Cheong
5
,
Chanyong Hwang
6
,
Jia Li
7
,
Feng wang Ma
1
,
Xiang Zhang
2
,
2
Nano-Scale Science and Engineering Center (NSEC), University of California, 3112 Etcheverry Hall, Berkeley, California 94720, United States
|
Publication type: Journal Article
Publication date: 2018-08-16
scimago Q1
wos Q1
SJR: 2.967
CiteScore: 14.9
Impact factor: 9.1
ISSN: 15306984, 15306992
PubMed ID:
30114354
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Bioengineering
Abstract
Magnetic van der Waals (vdW) materials have emerged as promising candidates for spintronics applications, especially after the recent discovery of intrinsic ferromagnetism in monolayer vdW materials. There has been a critical need for tunable ferromagnetic vdW materials beyond room temperature. Here, we report a real-space imaging study of itinerant ferromagnet Fe3GeTe2 and the enhancement of its Curie temperature well above ambient temperature. We find that the magnetic long-range order in Fe3GeTe2 is characterized by an unconventional out-of-plane stripe-domain phase. In Fe3GeTe2 microstructures patterned by a focused ion beam, the out-of-plane stripe domain phase undergoes a surprising transition at 230 K to an in-plane vortex phase that persists beyond room temperature. The discovery of tunable ferromagnetism in Fe3GeTe2 materials opens up vast opportunities for utilizing vdW magnets in room-temperature spintronics devices.
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Li Q. et al. Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature. // Nano Letters. 2018. Vol. 18. No. 9. pp. 5974-5980.
GOST all authors (up to 50)
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Li Q., Yang M., Gong C., Chen G., Wang S., Liu K., Gao N., Admasu A. S., Cheong S., Hwang C., Li J., Ma F. W., Zhang X., Qiu Z. Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature. // Nano Letters. 2018. Vol. 18. No. 9. pp. 5974-5980.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/acs.nanolett.8b02806
UR - https://doi.org/10.1021/acs.nanolett.8b02806
TI - Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature.
T2 - Nano Letters
AU - Li, Qian
AU - Yang, Meng-Meng
AU - Gong, Cheng
AU - Chen, Gong
AU - Wang, Sheng
AU - Liu, Kai
AU - Gao, Nan
AU - Admasu, Alemayehu S.
AU - Cheong, Sang-Wook
AU - Hwang, Chanyong
AU - Li, Jia
AU - Ma, Feng wang
AU - Zhang, Xiang
AU - Qiu, Zheng-Jun
PY - 2018
DA - 2018/08/16
PB - American Chemical Society (ACS)
SP - 5974-5980
IS - 9
VL - 18
PMID - 30114354
SN - 1530-6984
SN - 1530-6992
ER -
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BibTex (up to 50 authors)
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@article{2018_Li,
author = {Qian Li and Meng-Meng Yang and Cheng Gong and Gong Chen and Sheng Wang and Kai Liu and Nan Gao and Alemayehu S. Admasu and Sang-Wook Cheong and Chanyong Hwang and Jia Li and Feng wang Ma and Xiang Zhang and Zheng-Jun Qiu},
title = {Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature.},
journal = {Nano Letters},
year = {2018},
volume = {18},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acs.nanolett.8b02806},
number = {9},
pages = {5974--5980},
doi = {10.1021/acs.nanolett.8b02806}
}
Cite this
MLA
Copy
Li, Qian, et al. “Patterning-Induced Ferromagnetism of Fe3GeTe2 van der Waals Materials beyond Room Temperature..” Nano Letters, vol. 18, no. 9, Aug. 2018, pp. 5974-5980. https://doi.org/10.1021/acs.nanolett.8b02806.