| Large spin-orbit torque efficiency in PtBi2 film | |
| Li, Shangkun1; Luo, Yanxiang1; Chen, Qian1; Lv, Weiming1,2; Song, Yuhang3; Liu, Long3; Zhao, Xiaotian3; Liu, Wei3; Zhang, Baoshun1,2; Zeng, Zhongming1,2 | |
| Corresponding Author | Zeng, Zhongming(zmzeng2012@sinano.ac.cn) |
| 2021-09-27 | |
| Source Publication | APPLIED PHYSICS LETTERS
 |
| ISSN | 0003-6951 |
| Volume | 119Issue:13Pages:5 |
| Abstract | Bulk PtBi2 has attracted much attention for its topological semi-metallic electronic properties and highly promising applications in spintronics. Here, we report large spin-orbit torque (SOT) efficiency in the sputtered PtBi2 alloy with the trigonal-phase. From spin-torque-induced ferromagnetic resonance measurements, the SOT efficiency of 5 nm PtBi2 is estimated to be & SIM;0.2. Moreover, the spin Hall conductivity of PtBi2 [& SIM;1 x 10(5) PLANCK CONSTANT OVER TWO PI/2e (omega m)(-1)] is comparable to that of topological materials, such PtTe2 and Bi2Te3. The PtBi2 film has much lower resistance than that of Bi-based topological materials, which makes it a useful candidate for application. The results suggest that the PtBi2 alloy is promising for applications in magnetic memory and logic devices driven by SOT. |
| Funding Organization | China Postdoctoral Science Foundation ; Natural Science Foundation of Jiangsu Province |
| DOI | 10.1063/5.0061732 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | China Postdoctoral Science Foundation[12004415] ; China Postdoctoral Science Foundation[51732010] ; China Postdoctoral Science Foundation[51802341] ; Natural Science Foundation of Jiangsu Province[2019M661965] ; Natural Science Foundation of Jiangsu Province[2020M671592] ; [BK20200255] |
| WOS Research Area | Physics |
| WOS Subject | Physics, Applied |
| WOS ID | WOS:000751392400017 |
| Publisher | AIP Publishing |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/173513 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zeng, Zhongming |
| Affiliation | 1.Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Key Lab Multifunct Nanomat & Smart Syst, Suzhou 215123, Jiangsu, Peoples R China 2.Chinese Acad Sci, Nanchang Nanodevices & Technol Div, Suzhou Inst Nanotech & Nanobion, Nanchang 330200, Jiangxi, Peoples R China 3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Shangkun,Luo, Yanxiang,Chen, Qian,et al. Large spin-orbit torque efficiency in PtBi2 film[J]. APPLIED PHYSICS LETTERS,2021,119(13):5. |
| APA | Li, Shangkun.,Luo, Yanxiang.,Chen, Qian.,Lv, Weiming.,Song, Yuhang.,...&Zeng, Zhongming.(2021).Large spin-orbit torque efficiency in PtBi2 film.APPLIED PHYSICS LETTERS,119(13),5. |
| MLA | Li, Shangkun,et al."Large spin-orbit torque efficiency in PtBi2 film".APPLIED PHYSICS LETTERS 119.13(2021):5. |
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