Phys.org April 6, 2020
An international team of researchers (Spain, Germany) designed an experiment to image and quantify the magnetization dynamics generated by SAW. The results clearly showed that magnetization waves exist at distinct frequencies and wavelengths and that it is possible to create wave interferences. The interference patterns of magnetization waves provide new avenues for manipulation of these waves at room temperature. As magnetization waves are coupled to the acoustic waves, they can travel long distances and have larger amplitudes than spin waves. As magnetoacoustic waves have more energy efficiency and larger spatial extension they are considered potential information carriers for novel computation schemes…read more. TECHNICAL ARTICLE
Scheme of the strain caused by the surface acoustic waves (SAWs) in the piezoelectric (green) and magnetic modulation in the ferromagnetic material (orange-cyan). Credit: B. Casals et al.