In the field of spin dynamics and magnonics he is particularly interested in the properties of spin waves and their quanta, magnons, and their application to future information technologies.
12.
For long wavelength ( short wave vector ) spin wave the resulting spin precession has a very low frequency and the spin waves can be treated quantum mechanical description is needed.
13.
For long wavelength ( short wave vector ) spin wave the resulting spin precession has a very low frequency and the spin waves can be treated quantum mechanical description is needed.
14.
Recent work on the Fermi surface has shown that nesting occurs at four points in the antiferromagnetic Brillouin zone where spin waves exist and that the superconducting energy gap is larger at these points.
15.
He is also interested in research on dynamic magnetic excitations in confined magnetic structures, linear and nonlinear spin wave propagation phenomena, magnon gases and, condensates, magnonic crystals and magnetic switching.
16.
Following the success of the modern hard disk, there is much current interest in future magnetic data storage and using spin waves for things such as'magnonic'logic and data storage.
17.
By tuning the size of this bandgap, only spin wave modes able to cross the bandgap would be able to propagate through the media, leading to selective propagation of certain spin wave frequencies.
18.
By tuning the size of this bandgap, only spin wave modes able to cross the bandgap would be able to propagate through the media, leading to selective propagation of certain spin wave frequencies.
19.
Therefore, experimental information on these short wavelength ( large wave vector ) spin waves in ultrathin films is highly desired and may lead to fundamentally new insights into the spin dynamics in reduced dimensions in the future.
20.
Later, with a better momentum resolution, the spin wave dispersion was fully measured in 8 ML fcc Co film on Cu ( 001 ) and 8 ML hcp Co on W ( 110 ), respectively.
