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Martina Ahlberg
Researcher
Department of Physics-
Spin-torque nano-oscillators and their
applications
Sheng Jiang, Linrong Yao, Shun Wang, Di Wang, Long Liu, Akash Kumar, Ahmad Awad, Artem Litvinenko, Martina Ahlberg, Roman Khymyn, Sunjae Chung, Guozhong Xing, Johan Åkerman
APPLIED PHYSICS REVIEWS - 2024 -
Magnetic droplet soliton
pairs
Jiang Sheng , Sunjae Chung, Martina Ahlberg, Andreas Frisk, Roman Khymyn, Q. Tuan Le, H. Mazraati, Afshin Houshang, O. Heinonen, Johan Åkerman
NATURE COMMUNICATIONS - 2024 -
Unveiling the local structure of the amorphous metal Fe(1−x)Zrx combining first-principles-based simulations and modelling of EXAFS
spectra
Giuseppe Muscas, Robert Johansson, Sebastian George, Martina Ahlberg, Dimitri Arvanitis, Rajeev Ahuja, Ralph H. Scheicher, Petra E. Jönsson
Scientific Reports - 2023 -
Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix
alloys
S. Jana, R. Knut, E. K. Delczeg-Czirjak, R. S. Malik, R. Stefanuik, J. A. Terschlusen, R. Chimata, D. Phuyal, M. V. Kamalakar, S. Akansel, D. Primetzhofer, Martina Ahlberg, J. Soderstrom, Johan Åkerman, P. Svedlindh, O. Eriksson, O. Karis
Physical Review B - 2023 -
Freezing and thawing magnetic droplet
solitons
Martina Ahlberg, Sunjae Chung, Jiang Sheng , Andreas Frisk, M. Khademi, Roman Khymyn, Ahmad Awad, Q. Tuan Le, H. Mazraati, M. Mohseni, M. Weigand, I. Bykova, F. Gross, E. Goering, G. Schutz, J. Grafe, Johan Åkerman
Nature Communications - 2022 -
Tuning Magnetic Droplets in Nanocontact Spin-Torque Oscillators Using Electric
Fields
Cuixiu Zheng, Mykola Dvornik, Chengjie Wang, Dun Xiao, Yaowen Liu, Zongzhi Zhang, Yan Zhou, Hamid Mazraati, Martina Ahlberg, Ahmad Awad, Johan Åkerman
Physical Review Applied - 2020 -
Analysis of the linear relationship between asymmetry and magnetic moment at the M edge of 3d transition
metals
S. Jana, R. S. Malik, Y. O. Kvashnin, I. L. M. Locht, R. Knut, R. Stefanuik, I. Di Marco, A. N. Yaresko, Martina Ahlberg, Johan Åkerman, R. Chimata, M. Battiato, J. Soderstrom, O. Eriksson, O. Karis
Physical Review Research - 2020 -
Chiral excitations of magnetic droplet solitons driven by their own
inertia
M. Mohseni, D. R. Rodrigues, M. Saghafi, S. Chung, Martina Ahlberg, H. F. Yazdi, Q. Wang, S. A. H. Banuazizi, P. Pirro, Johan Åkerman, M. Mohseni
Physical Review B - 2020 -
Magnetodynamics in orthogonal nanocontact spin-torque nano-oscillators based on magnetic tunnel
junctions
S. Jiang, Martina Ahlberg, S. Chung, Afshin Houshang, R. Ferreira, P. P. Freitas, Johan Åkerman
Applied Physics Letters - 2019 -
Magnetic and structural characterization of CoFeZr thin films grown by combinatorial
sputtering
Andreas Frisk, Martina Ahlberg, Giuseppe Muscas, Sebastian George, Robert Johansson, Wantana Klysubun, Petra E. Jönsson, Gabriella Andersson
Physical Review Materials - 2019 -
Tuning exchange-dominated spin-waves using lateral current spread in nanocontact spin-torque
nano-oscillators
Masoumeh Fazlali, S. A. H. Banuazizi, Martina Ahlberg, Mykola Dvornik, S. R. Sani, S. M. Mohseni, Johan Åkerman
Journal of Magnetism and Magnetic Materials - 2019 -
Direct Observation of Zhang-Li Torque Expansion of Magnetic Droplet
Solitons
Sunjae Chung, Q. Tuan Le, Martina Ahlberg, Ahmad Awad, Markus Weigand, Iuliia Bykova, Roman Khymyn, Mykola Dvornik, Hamid Mazraati, Afshin Houshang, Sheng Jiang, Thoai N. Anh Nguyen, Eberhard Goering, Gisela Schütz, Joachim Gräfe, Johan Åkerman
Physical Review Letters - 2018 -
Ferromagnetic and Spin-Wave Resonance on Heavy-Metal-Doped Permalloy Films: Temperature
Effects
Y. L. Yin, Martina Ahlberg, Philipp Dürrenfeld, Y. Zhai, Randy K. Dumas, Johan Åkerman
Ieee Magnetics Letters - 2017 -
Parametric autoexcitation of magnetic droplet soliton perimeter
modes
D. Xiao, V. Tiberkevich, Y. H. Liu, Y. W. Liu, S. M. Mohseni, Sunjae Chung, Martina Ahlberg, A. N. Slavin, Johan Åkerman, Yan Zhou
Physical Review B. Condensed Matter and Materials Physics - 2017 -
Interfacial Dzyaloshinskii-Moriya Interaction in Pt/CoFeB Films: Effect of the Heavy-Metal
Thickness
S. Tacchi, R. E. Troncoso, Martina Ahlberg, G. Gubbiotti, M. Madami, Johan Åkerman, P. Landeros
Physical Review Letters - 2017 -
All-optical study of tunable ultrafast spin dynamics in Co/Pd /NiFe systems: the role of spin-twist structure on Gilbert
damping
C. Banerjee, S. Pal, Martina Ahlberg, T. N. A. Nguyen, Johan Åkerman, A. Barman
Rsc Advances - 2016 -
Magnetic properties of amorphous Fe93Zr7 films: Effect of light ion
implantation
Atieh Zamani, Reda Moubah, Martina Ahlberg, Henry Stopfel, Unnar B Arnalds, Anders Hallén, Björgvin Hjörvarsson, Gabriella Andersson, Petra E Jönsson
Journal of Applied Physics - 2015 -
Tunable permalloy-based films for magnonic
devices
Yuli Yin, Fan Pan, Martina Ahlberg, Mojtaba Ranjbar, Philipp Dürrenfeld, Afshin Houshang, Mohammad Haidar, Lars Bergqvist, Ya Zhai, Randy K. Dumas, Anna Delin, Johan Åkerman
Physical Review B - 2015