Theoretical Description of the Spin Dynamics at the Nanoscale
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (30 September 2020) | Viewed by 345
Special Issue Editor
Special Issue Information
Dear Colleagues,
A complete theoretical understanding of the electron’s spin dynamics at the nanoscale is fundamental to further utilize it in advanced device concepts with reduced power consumption. A fundamental challenge here is to bridge the gap between our ability to study and manipulate spin dynamics at the microscopic scale and our desire to understand and predict how this impacts the emergent properties at a macroscopic scale. Spin dynamics are triggered by magnetic, electric, and thermal stimuli with tailored time and length scales, ranging from femtosecond to years, and nanometers to millimetres. At the same time, the specific responses are generally determined by the time and length scales of the exchange, spin–orbit, dipolar interactions, anisotropy or thermalactivation. Examples include the electron current spin control in spintronics, femtosecond optical laser-induced ultrafast spin dynamics, magnetic and electric field-driven magnonic effects, or oscillating magnetic field heating of magnetic nanoparticles for harmless cancer treatments. The long-term focus of research in the theory of spin dynamics is to formulate a robust theoretical understanding of complex spin systems in terms of a minimal set of constitutive equations, bridging a broad spectrum of length and time scales, the so-called multiscale models.
This Special Issue of Materials is aimed at providing a collection of papers focusing on the theoretical description of the spin dynamics covering multiple scales, with special emphasis on multiscale approaches. Spin or magnetization dynamics on ferro-, ferrimagnets, and antiferromagnets at the nanoscale, such as thin films, multilayers, or nanoparticles, are welcome. The theories of interest include but are not limited to:
- Micromagnetic theory for magnetization dynamics;
- Atomistic spin dynamics models;
- Ab initio calculation of atomic magnetic parameters;
- Time-dependent density function theory for spin dynamics.
It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.
Dr. Unai Atxitia
Guest Editor
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Keywords
- Atomistic models for ultrafast spin dynamics
- Micromagnetic theory for spintronics applications
- Beyond atomistic models, time-dependent DFT
- Multiscale modeling of nanostructures, from nanoparticles to multilayers
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