Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Zahedinejad, Mohammad"'
Autor:
Kumar, Akash, Fulara, Himanshu, Khymyn, Roman, Zahedinejad, Mohammad, Rajabali, Mona, Zhao, Xiaotian, Behera, Nilamani, Houshang, Afshin, Awad, Ahmad A., Åkerman, Johan
Publikováno v:
Nano Letters 2023
Mutual synchronization of N serially connected spintronic nano-oscillators increases their coherence by a factor $N$ and their output power by $N^2$. Increasing the number of mutually synchronized nano-oscillators in chains is hence of great importan
Externí odkaz:
http://arxiv.org/abs/2301.03859
Autor:
Bainsla, Lakhan, Kumar, Akash, Awad, Ahmad A., Wang, Chunlei, Zahedinejad, Mohammad, Behera, Nilamani, Fulara, Himanshu, Khymyn, Roman, Houshang, Afshin, Weissenrieder, Jonas, Åkerman, J.
Ferromagnetic materials dominate as the magnetically active element in spintronic devices, but come with drawbacks such as large stray fields, and low operational frequencies. Compensated ferrimagnets provide an alternative as they combine the ultraf
Externí odkaz:
http://arxiv.org/abs/2111.08768
Autor:
Behera, Nilamani, Fulara, Himanshu, Bainsla, Lakhan, Kumar, Akash, Zahedinejad, Mohammad, Houshang, Afshin, Åkerman, Johan
We investigate a W-Ta alloying route to reduce the auto-oscillation current densities and the power consumption of nano-constriction based spin Hall nano oscillators. Using spin-torque ferromagnetic resonance (ST-FMR) measurements on microbars of W$_
Externí odkaz:
http://arxiv.org/abs/2111.08627
Autor:
Kumar, Akash, Rajabali, Mona, González, Victor Hugo, Zahedinejad, Mohammad, Houshang, Afshin, Åkerman, Johan
We demonstrate an optimized fabrication process for electric field (voltage gate) controlled nano-constriction spin Hall nano-oscillators (SHNOs), achieving feature sizes of <30 nm with easy to handle ma-N 2401 e-beam lithography negative tone resist
Externí odkaz:
http://arxiv.org/abs/2111.06957
Autor:
Zahedinejad, Mohammad, Fulara, Himanshu, Khymyn, Roman, Houshang, Afshin, Fukami, Shunsuke, Kanai, Shun, Ohno, Hideo, Åkerman, Johan
Publikováno v:
Nature Materials 21, 81-87 (2022)
Synchronization of large spin Hall nano-oscillators (SHNO) arrays is an appealing approach toward ultra-fast non-conventional computing based on nanoscale coupled oscillator networks. However, for large arrays, interfacing to the network, tuning its
Externí odkaz:
http://arxiv.org/abs/2009.06594
Autor:
Houshang, Afshin, Zahedinejad, Mohammad, Muralidhar, Shreyas, Checinski, Jakub, Awad, Ahmad A., Åkerman, Johan
Ising Machines (IMs) are physical systems designed to find solutions to combinatorial optimization (CO) problems mapped onto the IM via the coupling strengths of its binary spins. Using the intrinsic dynamics and different annealing schemes, the IM r
Externí odkaz:
http://arxiv.org/abs/2006.02236
Autor:
Fulara, Himanshu, Zahedinejad, Mohammad, Khymyn, Roman, Dvornik, Mykola, Fukami, Shunsuke, Kanai, Shun, Ohno, Hideo, Åkerman, Johan
Publikováno v:
Nat. Commun. 11, 4006 (2020)
Spin Hall nano-oscillators (SHNOs) are emerging spintronic devices for microwave signal generation and oscillator based neuromorphic computing combining nano-scale footprint, fast and ultra-wide microwave frequency tunability, CMOS compatibility, and
Externí odkaz:
http://arxiv.org/abs/2006.02151
We study the current tunable microwave signal properties of nano-constriction based spin Hall nano-oscillators (SHNOs) in oblique magnetic fields as a function of the nano-constriction width, $w=$~50--140 nm. The threshold current is found to scale l
Externí odkaz:
http://arxiv.org/abs/2003.07178
Autor:
Moradi, Farshad, Farkhani, Hooman, Zeinali, Behzad, Ghanatian, Hamdam, Pelloux-Prayer, Johan Michel Alain, Boehnert, Tim, Zahedinejad, Mohammad, Heidari, Hadi, Nabaei, Vahid, Ferreira, Ricardo, Akerman, Johan, Madsen, Jens Kargaard
Spintronics, the use of spin of an electron instead of its charge, has received huge attention from research communities for different applications including memory, interconnects, logic implementation, neuromorphic computing, and many other applicat
Externí odkaz:
http://arxiv.org/abs/1912.01347
Autor:
Fulara, Himanshu, Zahedinejad, Mohammad, Khymyn, Roman, Awad, Ahmad, Muralidhar, Shreyas, Dvornik, Mykola, Åkerman, Johan
Publikováno v:
Sci. Adv. 5, eaax8467 (2019)
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 synchronization at freq
Externí odkaz:
http://arxiv.org/abs/1904.06945