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Investigation of th...
Investigation of the Tunability of the Spin Configuration Inside Exchange Coupled Springs of Hard/Soft Magnets
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- Nguyen, Thi Ngoc Anh (författare)
- KTH,Materialfysik, MF,Vietnam Natl Univ, Vietnam
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Fallahi, Vahid (författare)
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- Le, Quang Tuan (författare)
- KTH,Materialfysik, MF
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- Chung, Sunjea (författare)
- KTH,Materialfysik, MF
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- Mohseni, Seyed Majid (författare)
- KTH,Materialfysik, MF,Shahid Beheshti Univ, Iran
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Dumas, Randy K. (författare)
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Miller, Casey W. (författare)
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- Åkerman, Johan (författare)
- KTH,Materialfysik, MF,Univ Gothenburg, Sweden
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(creator_code:org_t)
- 2014
- 2014
- Engelska.
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Ingår i: IEEE transactions on magnetics. - 0018-9464 .- 1941-0069. ; 50:6, s. 2004906-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Magnetic multilayer (ML) structures comprising a perpendicular magnetic anisotropy (PMA) layer coupled to an in-plane magnetic anisotropy (IMA) layer are promising materials for zero/low field operating spin-torque oscillators and bit patterned recording media. The magnetization tilt angle can be easily tuned by varying the IMA layer thickness due to the competition between PMA and IMA layers. To explore the underlying magnetization reversal mechanism and to further understand the control of tilt angle and uniformity of the magnetization, the IMA (NiFe, Co, and CoFeB)/PMA (Co/Pd MLs) exchange spring systems are systematically studied. Experimental data obtained from magnetometry show good agreement with 1-D micromagnetic simulations, allowing us to design tunable exchange coupled spring as a function of IMA thickness.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Competing magnetic anisotropy
- exchange spring
- tilted anisotropy materials
- tunable magnetization
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