English
Related papers

Related papers: Mutual synchronization in spin torque and spin Hal…

200 papers

Spin Hall oscillators (SHO) are promising candidates for the generation, detection and amplification of high frequency signals, that are tunable through a wide range of operating frequencies. They offer to be read out electrically,…

Spin Transfer Nano-Oscillators (STNOs) are good candidates for applications to telecommunications, but their output power is very low, under the nW. A possible solution to overcome this problem is to synchronize an assembly of STNOs. For…

Materials Science · Physics 2009-11-13 B. Georges , J. Grollier , V. Cros , A. Fert

In recent years, magnetic skyrmion-based spin-torque nano-oscillators (STNOs) attract considerable interest for their prospect in future-generation communication and spintronic technologies. However, some critical issues, which hamper their…

Mesoscale and Nanoscale Physics · Physics 2024-02-13 Qiyun Yi , Ting Han , Jinyi Jiang , Xiangjun Xing

The development of spintronic oscillators is driven by their potential applications in radio frequency telecommunication and neuromorphic computing. In this work, we propose a spintronic oscillator based on the chiral coupling in thin…

Mesoscale and Nanoscale Physics · Physics 2021-06-07 Zhiyang Zeng , Zhaochu Luo , Laura J. Heyderman , Joo-Von Kim , Aleš Hrabec

In this study, we discuss the observation of spin wave interference generated by magnetic oscillators. We employ micromagnetic simulations for two coherent spin Hall nanowire oscillators positioned nearby, horizontally or vertically. The…

Mesoscale and Nanoscale Physics · Physics 2024-03-25 Mohammad Haidar

Spin-Hall nano-oscillators (SHNO) are nanoscale spintronic devices that generate high-frequency (GHz) microwave signals useful for various applications such as neuromorphic computing and creating Ising systems. Recent research demonstrated…

Mesoscale and Nanoscale Physics · Physics 2025-04-29 Robert Xi , Ya-An Lai , Andrew D. Kent

Arrays of spin-torque nano-oscillators are promising for broadband microwave signal detection and processing, as well as for neuromorphic computing. In many of these applications, the oscillators should be engineered to have equally-spaced…

Spin-torque nano-oscillators (STNOs) are promising nanoscale microwave sources for spintronic applications, serving as signal generators or elements in neuromorphic computing systems. In this paper, we investigate the experimental…

Other Condensed Matter · Physics 2025-11-10 Maksim Stebliy , Alex Jenkins , Luana Benetti , Ricardo Ferreira

Nano-constriction spin-Hall nano-oscillators (NC-SHNOs) are one of the most promising alternatives among the microwave spintronics devices. They can provide highly coherent and widely tuneable microwave signals and can be fabricated at low…

Mesoscale and Nanoscale Physics · Physics 2020-12-15 Corrado Carlo Maria Capriata , Sheng Jiang , Mykola Dvornik , Johan Åkerman , Bengt Gunnar Malm

Neuromorphic computing, inspired by the brain's parallel and energy-efficient processing, offers a transformative approach to artificial intelligence. In this study, we fabricated optimized spin-transfer torque nano-oscillators (STNOs) and…

We investigate how the ability of the vortex oscillation mode of a spin-torque nano-oscillator to lock to an external microwave signal is modified when it is coupled to another oscillator. We show experimentally that mutual electrical…

Stochastic oscillators based on emerging nanodevices are attractive because of their ultra-low power requirement and ability to exhibit stochastic resonance, a phenomenon where synchronization to weak input signals is enabled due to ambient…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 Punyashloka Debashis , Aman K. Maskay , Pramey Upadhyaya , Zhihong Chen

We report on a time-domain study of parametric synchronization in a magnetic tunnel junction based spin torque nano-oscillator (STNO). Time-domain measurements of the instantaneous frequency ($f_{i}$) of a parametrically synchronized STNO…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 Raghav Sharma , Naveen Sisodia , Philipp Dürrenfeld , Johan Åkerman , P. K. Muduli

We investigate analytically and numerically the synchronization dynamics of dipolarly coupled vortex based Spin-Torque Nano Oscillators (STNO) with different pillar diameters. We identify the critical interpillar distances on which…

Mesoscale and Nanoscale Physics · Physics 2013-08-20 A. D. Belanovsky , N. Locatelli , P. N. Skirdkov , F. Abreu Araujo , K. A. Zvezdin , J. Grollier , V. Cros , A. K. Zvezdin

The reduction of phase noise in electronic systems is of utmost importance in modern communication and signal processing applications and requires an understanding of the underlying physical processes. Here, we systematically study the…

Mesoscale and Nanoscale Physics · Physics 2023-08-07 Artem Litvinenko , Akash Kumar , Mona Rajabali , Ahmad A. Awad , Roman Khymyn , Johan Akerman

Spin torque and spin Hall effect nanooscillators generate high intensity spin wave auto oscillations on the nanoscale enabling novel microwave applications in spintronics, magnonics, and neuromorphic computing. For their operation, these…

Mesoscale and Nanoscale Physics · Physics 2019-06-19 M. Haidar , A. A. Awad , M. Dvornik , R. Khymyn , A. Houshang , J. Akerman

Magnetization dynamics in nanomagnets has attracted broad interest since it was predicted that a dc-current flowing through a thin magnetic layer can create spin-wave excitations. These excitations are due to spin-momentum transfer, a…

Mesoscale and Nanoscale Physics · Physics 2012-06-25 F. Macià , A. D. Kent , F. C. Hoppensteadt

Spin-orbit torque (SOT) can drive sustained spin wave (SW) auto-oscillations in a class of emerging microwave devices known as spin Hall nano-oscillators (SHNOs), which have highly non-linear properties governing robust mutual…

Current-induced self-sustained magnetization oscillations in spin-torque nano-oscillators (STNOs) are promising candidates for ultra-agile microwave sources or detectors. While usually STNOs behave as a monochrome source, we report here…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 A. Hamadeh , D. Slobodianiuk , R. Moukhader , G. Melkov , V. Borynskyi , M. Mohseni , G. Finocchio , V. Lomakin , R. Verba , G. de Loubens , P. Pirro , O. Klein

We develop a theory of spin noise in semiconductor nanowires considered as prospective elements for spintronics. In these structures spin-orbit coupling can be realized as a random function of coordinate correlated on the spatial scale of…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 M. M. Glazov , E. Ya. Sherman