Topotronic multi-dimensional spin Hall nano-oscillator networks

Project Information

TOPSPIN

Grant agreement ID: 835068

DOI

10.3030/835068

Project closed

EC signature date 8 April 2019

Start date 1 September 2019

End date 31 August 2025

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 2 500 000,00

EU contribution

€ 2 500 000,00

Coordinated by

GOETEBORGS UNIVERSITET
Sweden

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (39)

Large Non-Volatile Frequency Tuning of Spin Hall Nano-Oscillators using Circular Memristive Nano-Gates

Author(s): Maha Khademi; Akash Kumar; Mona Rajabali; Saroj P. Dash; Johan Åkerman
Published in: IEEE Electron Device Letters, Issue 45, 2024, Page(s) 268-271, ISSN 2169-3536
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/led.2023.3339218

Ultra-low current 10 nm spin Hall nano-oscillators

Author(s): Behera, Nilamani; Chaurasiya, Avinash Kumar; González, Victor H.; Litvinenko, Artem; Bainsla, Lakhan; Kumar, Akash; Awad, Ahmad A.; Fulara, Himanshu; Åkerman, Johan
Published in: Advanced Materials, Issue 36, 2024, Page(s) 2305002, ISSN 1521-4095
Publisher: Wiley
DOI: 10.1002/adma.202305002

A 50-spin surface acoustic wave Ising machine

Author(s): Artem Litvinenko, Roman Khymyn, Roman Ovcharov, Johan Åkerman
Published in: Communications Physics, Issue 8, 2025, Page(s) 58, ISSN 2399-3650
Publisher: Springer Science and Business Media LLC
DOI: 10.1038/s42005-025-01969-7

Energy-Efficient Single Layer Spin Hall Nano-Oscillators Driven by Berry Curvature

Author(s): Lakhan Bainsla, Yuya Sakuraba, Akash Kumar, Avinash Kumar Chaurasiya, Keisuke Masuda, Nattamon Suwannaharn, Ahmad A. Awad, Nilamani Behera, Roman Khymyn, Taisuke Sasaki, Saroj Prasad Dash, Johan Åkerman
Published in: ACS Nano, Issue 19, 2025, Page(s) 18534-18544, ISSN 1936-0851
Publisher: American Chemical Society
DOI: 10.1021/acsnano.5c02048

Injection Locking of Linearlike and Soliton Spin-Wave Modes in Nanoconstriction Spin Hall Nano-oscillators

Author(s): Mona Rajabali; Roman Ovcharov; Roman Khymyn; Himanshu Fulara; Akash Kumar; Artem Litvinenko; Mohammad Zahedinejad; Afshin Houshang; Ahmad A. Awad; Johan Åkerman
Published in: Physical Review Applied, Issue 19, 2023, Page(s) 034070, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.19.034070

Voltage control of frequency, effective damping, and threshold current in nano-constriction-based spin Hall nano-oscillators

Author(s): Victor H. González; Roman Khymyn; Himanshu Fulara; Ahmad A. Awad; Johan Åkerman
Published in: Applied Physics Letters, Issue 121, 2022, Page(s) 252404, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0128786

Emission of fast-propagating spin waves by an antiferromagnetic domain wall driven by spin current

Author(s): Roman V. Ovcharov, B. A. Ivanov, Johan Åkerman, Roman S. Khymyn
Published in: Physical Review B, Issue 109, 2024, Page(s) L140406, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevb.109.l140406

Width dependent auto-oscillating properties of constriction based spin Hall nano-oscillators

Author(s): Ahmad A. Awad, Afshin Houshang, Mohammad Zahedinejad, Roman Khymyn, Johan Åkerman
Published in: Applied Physics Letters, Issue 116/23, 2020, Page(s) 232401, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0007254

Femtosecond Laser Pulse Driven Caustic Spin Wave Beams

Author(s): S. Muralidhar, R. Khymyn, A. A. Awad, A. Alemán, D. Hanstorp, J. Åkerman
Published in: Physical Review Letters, Issue 126/3, 2021, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.126.037204

Ultrathin Ferrimagnetic GdFeCo Films with Low Damping

Author(s): Bainsla, Lakhan; Kumar, Akash; Awad, Ahmad A.; Wang, Chunlei; Zahedinejad, Mohammad; Behera, Nilamani; Fulara, Himanshu; Khymyn, Roman; Houshang, Afshin; Weissenrieder, Jonas; Åkerman, Johan
Published in: Advanced Functional Materials, Issue 32, 2022, Page(s) 2111693, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202111693

Magnetodynamic properties of ultrathin films of Fe$$_{\textbf{3}}$$Sn$$_{\textbf{2}}$$-a topological kagome ferromagnet

Author(s): Kacho Imtiyaz Ali Khan, Akash Kumar, Pankhuri Gupta, Ram Singh Yadav, Johan Åkerman, Pranaba Kishor Muduli
Published in: Scientific Reports, Issue 14, 2024, Page(s) 3487, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-024-53621-z

Antiferromagnetic droplet soliton driven by spin current

Author(s): Roman V. Ovcharov, Mohammad Hamdi, Boris A. Ivanov, Johan Åkerman, Roman S. Khymyn
Published in: Applied Physics Letters, Issue 124, 2025, Page(s) 172406, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0189712

Spin-wave-mediated mutual synchronization and phase tuning in spin Hall nano-oscillators

Author(s): Akash Kumar, Avinash Kumar Chaurasiya, Victor H. González, Nilamani Behera, Ademir Alemán, Roman Khymyn, Ahmad A. Awad, Johan Åkerman
Published in: Nature Physics, Issue 21, 2025, Page(s) 245-252, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-024-02728-1

Energy-efficient W$_{\text{100-x}}$Ta$_{\text{x}}$/CoFeB/MgO spin Hall nano-oscillators

Author(s): Behera, Nilamani; Fulara, Himanshu; Bainsla, Lakhan; Kumar, Akash; Zahedinejad, Mohammad; Houshang, Afshin; Åkerman, Johan
Published in: Physical Review Applied, Issue 18, 2022, Page(s) 024017, ISSN 2331-7019
Publisher: America Physical Society
DOI: 10.1103/physrevapplied.18.024017

Spintronic devices as next-generation computation accelerators

Author(s): Victor H. González, Artem Litvinenko, Akash Kumar, Roman Khymyn, Johan Åkerman
Published in: Current Opinion in Solid State and Materials Science, Issue 31, 2024, Page(s) 101173, ISSN 1359-0286
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.cossms.2024.101173

Symmetry Enhanced Unconventional Spin Current Anisotropy in a Collinear Antiferromagnet

Author(s): Pankhuri Gupta, Kacho Imtiyaz Ali Khan, Akash Kumar, Pratik Sahu, Rekha Agarwal, Artem Litvinenko, Nidhi Kandwal, Ram Singh Yadav, Birabar Ranjit Kumar Nanda, Johan Åkerman, Pranaba Kishor Muduli
Published in: Advanced Functional Materials, 2025, ISSN 1616-301X
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202506816

Femtosecond laser comb driven perpendicular standing spin waves

Author(s): A. A. Awad; S. Muralidhar; A. Alemán; R. Khymyn; D. Hanstorp; J. Åkerman
Published in: Applied Physics Letters, Issue 120, 2022, Page(s) 012405, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0076305

Ultrafast Ising Machines using spin torque nano-oscillators

Author(s): Dagur Ingi Albertsson; Mohammad Zahedinejad; Afshin Houshang; Roman Khymyn; Johan Åkerman; Ana Rusu
Published in: Applied Physics Letters, 2021, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0041575

Frequency comb enhanced Brillouin microscopy

Author(s): Ademir Aleman, Shreyas Muralidhar, Ahmad A. Awad, Johan Åkerman, Dag Hanstorp
Published in: Optics Express, Issue 28/20, 2020, Page(s) 29540, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.398619

Phase and frequency-resolved microscopy of operating spin Hall nano-oscillator arrays

Author(s): A. Alemán, A. A. Awad, S. Muralidhar, R. Khymyn, A. Kumar, A. Houshang, D. Hanstorp, J. Åkerman
Published in: Nanoscale Horizons, Issue 9, 2024, Page(s) 1732-1739, ISSN 2055-6756
Publisher: Royal Society of Chemistry (RSC)
DOI: 10.1039/d4nh00260a

Instability in domain wall dynamics in almost-compensated ferrimagnets

Author(s): R. V. Ovcharov, B. A. Ivanov, E. G. Galkina, J. Åkerman, R. S. Khymyn
Published in: Physical Review B, Issue 112, 2025, Page(s) 014408, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/m5zv-lbgl

Global biasing using a hardware-based artificial Zeeman term in spinwave Ising machines

Author(s): Victor H. González, Artem Litvinenko, Roman Khymyn, Johan Åkerman
Published in: Applied Physics Letters, Issue 124, 2025, Page(s) 092409, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0185888

Two-dimensional mutually synchronized spin Hall nano-oscillator arrays for neuromorphic computing

Author(s): Mohammad Zahedinejad, Ahmad A. Awad, Shreyas Muralidhar, Roman Khymyn, Himanshu Fulara, Hamid Mazraati, Mykola Dvornik, Johan Åkerman
Published in: Nature Nanotechnology, Issue 15/1, 2020, Page(s) 47-52, ISSN 1748-3387
Publisher: Nature Publishing Group
DOI: 10.1038/s41565-019-0593-9

Phase noise analysis of mutually synchronized spin Hall nano-oscillators

Author(s): Artem Litvinenko; Akash Kumar; Mona Rajabali; Ahmad A. Awad; Roman Khymyn; Johan Åkerman
Published in: Applied Physics Letters, Issue 122, 2023, Page(s) 222401, ISSN 1077-3118
Publisher: American Institute of Physics
DOI: 10.1063/5.0152381

Phase-Binarized Spin Hall Nano-Oscillator Arrays: Towards Spin Hall Ising Machines

Author(s): Afshin Houshang; Mohammad Zahedinejad; Shreyas Muralidhar; Jakub Chęciński; Roman Khymyn; Mona Rajabali; Himanshu Fulara; Ahmad A. Awad; Mykola Dvornik; Johan Åkerman
Published in: Physical Review Applied, Issue 17, 2022, Page(s) 014003, ISSN 2331-7019
Publisher: American Physical Soceity
DOI: 10.1103/physrevapplied.17.014003

Femtosecond laser driven precessing magnetic gratings

Author(s): Gaolong Cao, Sheng Jiang, Johan Åkerman, Jonas Weissenrieder
Published in: Nanoscale, Issue 13/6, 2021, Page(s) 3746-3756, ISSN 2040-3364
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0nr07962f

Antiferromagnetic Bloch Line Driven by Spin Current as Room-Temperature Analogue of a Fluxon in a Long Josephson Junction

Author(s): R.V. Ovcharov; B.A. Ivanov; J. Åkerman; R.S. Khymyn
Published in: Physical Review Applied, Issue 20, 2023, Page(s) 034060, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.20.034060

Advances in Magnetics Roadmap on Spin-Wave Computing

Author(s): Chumak, A. V.; Kabos, P.; Wu, M.; Abert, C.; Adelmann, C.; Adeyeye, A. O.; Akerman, J.; Aliev, F. G.; Anane, A.; Awad, A.; Back, C. H.; Barman, A.; Bauer, G. E. W.; Becherer, M.; Beginin, E. N.; Bittencourt, V. A. S. V.; Blanter, Y. M.; Bortolotti, P.; Boventer, I.; Bozhko, D. A.; Bunyaev, S. A.; Carmiggelt, J. J.; Cheenikundil, R. R.; Ciubotaru, F.; Cotofana, S.; Csaba, G.; Dobrovolskiy, O. V.; D
Published in: IEEE Transactions on Magnetics, Issue 58, 2022, Page(s) 0800172, ISSN 0018-9464
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tmag.2022.3149664

Memristive control of mutual spin Hall nano-oscillator synchronization for neuromorphic computing.

Author(s): Mohammad Zahedinejad; Himanshu Fulara; Roman Khymyn; Afshin Houshang; Mykola Dvornik; Shunsuke Fukami; Shun Kanai; Hideo Ohno; Johan Åkerman
Published in: Nature Materials, 2022, ISSN 1476-1122
Publisher: Nature Publishing Group
DOI: 10.1038/s41563-021-01153-6

Frequency-tunable low-noise oscillator based on yttrium-iron-garnet/gadolinium-gallium-garnet structure with strong magnetoelastic coupling

Author(s): P. Sgarro, R. Ovcharov, R. Khymyn, S. Ghosh, A.A. Awad, J. Åkerman, A. Litvinenko
Published in: Physical Review Applied, Issue 23, 2025, Page(s) 064049, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.1103/rq6q-q91k

Fabrication of voltage-gated spin Hall nano-oscillators

Author(s): Akash Kumar; Mona Rajabali; Victor Hugo González; Mohammad Zahedinejad; Afshin Houshang; Johan Åkerman
Published in: Nanoscale, Issue 14, 2021, Page(s) 1432-1439, ISSN 2040-3372
Publisher: Royal Soceity of Chemistry
DOI: 10.1039/d1nr07505e

Sustained coherent spin wave emission using frequency combs

Author(s): S. Muralidhar, A. A. Awad, A. Alemán, R. Khymyn, M. Dvornik, D. Hanstorp, J. Åkerman
Published in: Physical Review B, Issue 101/22, 2020, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.101.224423

Spin Hall Nano-Oscillator Based on an Antiferromagnetic Domain Wall

Author(s): R.V. Ovcharov; E.G. Galkina; B.A. Ivanov; R.S. Khymyn
Published in: Physical Review Applied, Issue 18, 2022, Page(s) 024047, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.18.024047

A spinwave Ising machine

Author(s): Artem Litvinenko; Roman Khymyn; Victor H. González; Roman Ovcharov; Ahmad A. Awad; Vasyl Tyberkevych; Andrei Slavin; Johan Åkerman
Published in: Communications Physics, Issue 6, 2023, Page(s) 227, ISSN 2399-3650
Publisher: Nature Portfolio
DOI: 10.1038/s42005-023-01348-0

Roadmap for unconventional computing with nanotechnology

Author(s): Giovanni Finocchio, Jean Anne C Incorvia, Joseph S Friedman, Qu Yang, Anna Giordano, Julie Grollier, Hyunsoo Yang, Florin Ciubotaru, Andrii V Chumak, Azad J Naeemi, Sorin D Cotofana, Riccardo Tomasello, Christos Panagopoulos, Mario Carpentieri, Peng Lin, Gang Pan, J Joshua Yang, Aida Todri-Sanial, Gabriele Boschetto, Kremena Makasheva, Vinod K Sangwan, Amit Ranjan Trivedi, Mark C Hersam, Kerem Y C
Published in: Nano Futures, Issue 8, 2024, Page(s) 012001, ISSN 2399-1984
Publisher: IOP Publishing
DOI: 10.1088/2399-1984/ad299a

Robust Mutual Synchronization in Long Spin Hall Nano-oscillator Chains

Author(s): Akash Kumar; Himanshu Fulara; Roman Khymyn; Artem Litvinenko; Mohammad Zahedinejad; Mona Rajabali; Xiaotian Zhao; Nilamani Behera; Afshin Houshang; Ahmad A. Awad; Johan Åkerman
Published in: Nano Letters, Issue 23, 2023, Page(s) 6720-6726, ISSN 1530-6992
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.3c02036

Optothermal control of spin Hall nano-oscillators

Author(s): Shreyas Muralidhar; Afshin Houshang; Ademir Alemán; Roman Khymyn; Ahmad A. Awad; Johan Åkerman
Published in: Applied Physics Letters, Issue 120, 2022, Page(s) 262401, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0086758

Giant voltage-controlled modulation of spin Hall nano-oscillator damping

Author(s): Himanshu Fulara, Mohammad Zahedinejad, Roman Khymyn, Mykola Dvornik, Shunsuke Fukami, Shun Kanai, Hideo Ohno, Johan Åkerman
Published in: Nature Communications, Issue 11/1, 2020, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-17833-x

Spin Pumping in Moderately Perpendicular W/CoFeB/HfO_<i>x</i> Thin Films

Author(s): Shiva Gaur, Nilamani Behera, Johan Åkerman, Anubhav Raghav
Published in: SPIN, Issue 14, 2024, Page(s) 2340022, ISSN 2010-3247
Publisher: World Scientific Pub Co Pte Ltd
DOI: 10.1142/s2010324723400222