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Magnetic droplet so...
Magnetic droplet solitons in orthogonal nano-contact spin torque oscillators
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- Mohseni, Seyed Majid (author)
- KTH,Materialfysik, MF
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- Redjai Sani, Sohrab (author)
- KTH,Materialfysik, MF
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- Dumas, Randy K. (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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Persson, J. (author)
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Anh Nguyen, T. N. (author)
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- Chung, Sunjae (author)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg,Materialfysik, MF
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- Pogoryelov, Yevgen, 1975 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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- Muduli Kishor, Pranaba, 1978 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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- Iacocca, Ezio, 1986 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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Eklund, A. (author)
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- Åkerman, Johan, 1970 (author)
- KTH,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg,Materialfysik, MF
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Pogoryelov, Ye. (author)
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- Nguyen, Thi Ngooc Ahn (author)
- KTH,Materialfysik, MF
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- English.
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In: Physica. B, Condensed matter. - : Elsevier BV. - 0921-4526 .- 1873-2135. ; 435, s. 84-87
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Abstract
Subject headings
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- We study microwave signal generation as a function of drive current and applied perpendicular magnetic field in nano-contact spin torque oscillators (NC-STOs) based on orthogonal (pseudo) spin valves where the Co fixed layer has strong easy-plane anisotropy, and the [Co/Ni] free layer has a strong perpendicular magnetic anisotropy. The orthogonal NC-STOs exhibit a dramatic transition from the conventional ferromagnetic resonance-like spin wave mode to a magnetic droplet soliton mode. In particular, the field and current dependence of the droplet soliton near threshold are discussed. Near threshold the droplet soliton undergoes complex dynamics that include mode hopping, as evident in the experimental frequency domain and magnetoresistance response. © 2013 Elsevier B.V.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Magnetic droplet soliton
- Magnetoresistance
- Perpendicular magnetic anisotropy
- Spin torque oscillators
- Spin wave
- Spin torque oscillators
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Mohseni, Seyed M ...
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Redjai Sani, Soh ...
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Dumas, Randy K.
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Persson, J.
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Anh Nguyen, T. N ...
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Chung, Sunjae
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show more...
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Pogoryelov, Yevg ...
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Muduli Kishor, P ...
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Iacocca, Ezio, 1 ...
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Eklund, A.
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Åkerman, Johan, ...
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Pogoryelov, Ye.
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Nguyen, Thi Ngoo ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
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Physica. B, Cond ...
- By the university
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University of Gothenburg
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Chalmers University of Technology
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Uppsala University
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Royal Institute of Technology