Micromagnetic Simulation of Spin Transfer Torque Magnetization Precession Phase Diagram in a Spin-Valve Nanopillar under External Magnetic Fields
Joint Authors
Xiao, Z. H.
Yue, T.
Chen, L. Q.
Huang, H. B.
Ma, Xingqiao
Liu, Z. H.
Shi, X. M.
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-08-23
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
We investigated spin transfer torque magnetization precession in a nanoscale pillar spin-valve under external magnetic fields using micromagnetic simulation.
The phase diagram of the magnetization precession is calculated and categorized into four states according to their characteristics.
Of the four states, the precessional state has two different modes: steady precession mode and substeady precession mode.
The different modes originate from the dynamic balance between the spin transfer torque and the Gilbert damping torque.
Furthermore, we reported the behavior of the temporal evolutions of magnetization components in steady precession mode at the condition of the applied magnetic field using the orbit projection method and explaining perfectly the magnetization components evolution behavior.
In addition, a result of a nonuniform magnetization distribution is observed in the free layer due to the excitation of non-uniform mode.
American Psychological Association (APA)
Huang, H. B.& Ma, Xingqiao& Liu, Z. H.& Shi, X. M.& Yue, T.& Xiao, Z. H.…[et al.]. 2012. Micromagnetic Simulation of Spin Transfer Torque Magnetization Precession Phase Diagram in a Spin-Valve Nanopillar under External Magnetic Fields. ISRN Condensed Matter Physics،Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-468136
Modern Language Association (MLA)
Huang, H. B.…[et al.]. Micromagnetic Simulation of Spin Transfer Torque Magnetization Precession Phase Diagram in a Spin-Valve Nanopillar under External Magnetic Fields. ISRN Condensed Matter Physics No. 2012 (2012), pp.1-12.
https://search.emarefa.net/detail/BIM-468136
American Medical Association (AMA)
Huang, H. B.& Ma, Xingqiao& Liu, Z. H.& Shi, X. M.& Yue, T.& Xiao, Z. H.…[et al.]. Micromagnetic Simulation of Spin Transfer Torque Magnetization Precession Phase Diagram in a Spin-Valve Nanopillar under External Magnetic Fields. ISRN Condensed Matter Physics. 2012. Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-468136
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-468136