Electron spin resonance properties of semiconductor/granular film heterostructures with cobalt nanoparticles in millimeter waveband |
| |
| Authors: | M Khodzitskiy L Lutsev S Tarapov A Zamkovoj A Stognij N Novitskii |
| |
| Institution: | 1. Institute of Radiophysics and Electronics NASU, 12 Ac. Proskura St. Kharkov 61085, Ukraine;2. Research Institute ‘Ferrite-Domen’, 8 Chernigovskaya Street, St. Petersburg 196084, Russia;3. Kharkov National University of Radioelectronics, 14 Lenin Ave., Kharkov 61166, Ukraine;4. Minsk Research Institute of Radiomaterials, 86 Kizhevatova Street, Minsk 220024, Belarus;5. Institute of Solid State and Semiconductor Physics NASB, 17 P. Brovki Street, Minsk 220072, Belarus |
| |
| Abstract: | Ferromagnetic resonance spectra (FMR) on heterostructures of amorphous silicon dioxide films containing cobalt nanoparticles, (SiO2)100−xCox, grown on GaAs and Si substrates have been investigated over a frequency range of 37–41 GHz at room temperature. The FMR linewidth and saturation magnetization dependencies on the cobalt concentration have been analyzed. The impact of the semiconductor type on the FMR linewidth ΔH and a sharp increase in ΔH with a decreasing concentration of cobalt nanoparticles have been noted. The effect of considerable FMR linewidth broadening has been accounted for by the spin-polarized relaxation mechanism. |
| |
| Keywords: | 72 25 Dc 75 70 Cn 75 75 +a 76 50 +g |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
