离子辐照磁性精细调控系统Helium-S®(Spin-ION)

离子辐照磁性精细调控系统Helium-S^®

法国Spin-Ion公司成立于2017年，源自法国国家研究中心/巴黎-萨克雷大学的知名课题组，在磁性材料的离子束工艺方面有20年的经验，拥有4项和40多篇发表文章。Spin-Ion公司推出的产品——可用于多种磁性研究的离子辐照磁性精细调控系统Helium-S®，采用创新的离子束技术，可以通过超紧凑和快速的氦离子束设备控制原子间的位移，使其能够在原子尺度上加工材料，并通过离子束工艺来调控薄膜和异质结构。目前全球已有20多家科研和工业用户以及合作伙伴使用该技术。2020年Spin-Ion公司在国内安装了套Helium – S®系统，其独有的技术正吸引来自相关科研圈和工业领域越来越多的关注。

应用领域：

- 磁性随机存储器(MRAM)：自旋转移矩磁性随机存储(STT-MRAM)，自旋轨道矩磁性随机存储(SOT-MRAM)，磁畴壁磁性随机存储(DW-MRAM)等；

- 自旋电子学：斯格明子，磁性隧道结，磁传感器等；

- 磁学相关：磁性氧化物，多铁性材料；

- 其他：薄膜改性，芯片加工，仿神经器件，逻辑器件等。

产品特点：

- 可通过超紧凑和快速的氦离子束设备控制原子间的位移，通过氦离子辐照可调控磁性薄膜或晶圆的磁学性质。

- 可提供能量范围：1-30 keV的He+离子束

- 采用创新的电子回旋共振（ECR）离子源

- 可对25 mm的试样进行快速的均匀辐照（几分钟）

- 超紧凑的设计，节省实验空间

- 可与现有的超高真空设备互联

基本参数：

测试数据：

调控界面各向异性性质和DMI

低电流诱发的SOT转换获取

控制斯格明子和磁畴壁的动态变化

部分用户单位：

Beihang University (China)

University of California San Diego (USA)

University of California Davis (USA)

New York University (USA)

Georgetown University (USA)

Northwestern University (USA)

University of Lorraine (France)

SPINTEC Grenoble (France)

University of Cambridge (UK)

University of Manchester (UK)

Nanyang Technological University and A*STAR (Singapore)

University of Gothenburg (Sweden)

Western Digital (USA)

IBM (USA)

Singulus Technologies (Germany)

部分发表文章：

• Helium Ions Put Magnetic Skyrmions on the Track, R.Juge & D.Ravelosona & O.Boulle, Nanoletters, 21, 7, 2989–2996, (2021)

• Ion irradiation and implantation modifications of magneto-ionically induced exchange bias in Gd/NiCoO, Christopher J. Jensen & Dafiné Ravelosona, Kai Liu, Journal of Magnetism and Magnetic Materials 540, 168479 (2021)

• Tailoring interfacial effect in multilayers with Dzyaloshinskii–Moriya interaction by helium ion irradiation, A.Sud & D.Ravelosona &M.Cubukcu, Scientific report 11, 23626 (2021)

• Magnetic field frustration of the metal-insulator transition in V2O3, J.Trastoy & D.Ravelosona & Y.Schuller, Physical Review B 101, 245109 (2020)

• Controlling magnetism by interface engineering, L Herrera Diez & D Ravelosona, Book Magnetic Nano- and Microwires 2nd Edition, Elsevier (2020)

• Reduced spin torque nano-oscillator linewidth using He+ irradiation, S Jiang & D Ravelosona & J  Akerman, Appl. Phys. Lett. 116, 072403 (2020)

• Spin–orbit torque driven multi-level switching in He+ irradiated W–CoFeB–MgO Hall bars with perpendicular anisotropy, X.Zhao & M.Klaui & W.Zhao & D.Ravelosona, Appl. Phys. Lett 116, 242401 (2020)

• Enhancement of the Dzyaloshinskii-Moriya Interaction and domain wall velocity through interface intermixing in Ta/CoFeB/MgO, L Herrera Diez & D Ravelosona, Physical Review B 99, 054431 (2019)

• Enhancing domain wall velocity through interface intermixing in W-CoFeB-MgO films with perpendicular anisotropy, X Zhao & W.Zhao & D Ravelosona, Applied Physics Letter 115, 122404 (2019)

• Suppression of all-optical switching in He+  irradiated Co/Pt multilayers: influence of the domain-wall energy, M El Hadri & S Mangin & D Ravelosona,  J. Phys. D: Appl. Phys. 51, 215004 (2018)

• Tuning the magnetodynamic properties of all-perpendicular spin valves using He+ irradiation, Sheng Jiang & D.Ravelosona & J.Akerman, AIP Advances 8, 065309 (2018)

• Controlling magnetic domain wall motion in the creep regime in He-irradiated CoFeB/MgO films with perpendicular anisotropy, L.Herrera Diez & D.Ravelosona, Applied Physics Letter 107, 032401 (2015)

• Measuring the Magnetic Moment Density in Patterned Ultrathin Ferromagnets with Submicrometer Resolution, T.Hingant & D.Ravelosona & V.Jacques, Physical Review Applied 4, 014003 (2015)

• Irradiation-induced tailoring of the magnetism of CoFeB/MgO ultrathin films, T Devolder & D Ravelosona, Journal of Applied Physics 113, 203912 (2013)

• Influence of ion irradiation on switching field and switching field distribution in arrays of Co/Pd-based bit pattern media, T Hauet & D Ravelosona, Applied Physics Letters 98, 172506 (2011)

• Ferromagnetic resonance study of Co/Pd/Co/Ni multilayers with perpendicular anisotropy irradiated with helium ions, J-M.Beaujour & A.D. Kent & D.Ravelosona &E.Fullerton, Journal of Applied Physics 109, 033917 (2011)

• Tailoring magnetism by light-ion irradiation, J Fassbender, D Ravelosona, Y Samson, Journal of Physics D: Applied Physics 37 (2004)

• Ordering intermetallic alloys by ion irradiation: A way to tailor magnetic media, H Bernas & D Ravelosona, Physical review letters 91, 077203 (2003)

离子辐照磁性精细调控系统Helium-S®,Helium-S®

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