METHOD OF MEASURING VELOCITY OF DOMAIN WALLS IN MAGNETIC UNIAXIAL DOMAIN-CONTAINING FILM

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to computer technology and optical devices and may be used in the measurement of dynamic parameters u043cu0430u0433u043du0438u0442u043eu043eu0434u043du043eu043eu0441u043du044bu0445 films, prim u0435u043du00a0u0435u043cu044bu0445 in storage devices on cylindrical magnetic domains, u043cu0430u0433u043du0438u0442u043eu043eu043fu0442u0438u0447u0435u0441u043au0438u0445 u0443u043fu0440u0430u0432u043bu00a0u0435u043cu044bu0445 u0442u0440u0430u043du0441u043fu0430u0440u0430u043du0442u0430u0445, u043cu043eu0434u0443u043bu00a0u0442u043eu0440u0430u0445, u043fu0435u0440u0435u043au043bu044eu0447u0430u0442u0435u043bu00a0u0445, deflector x, and the like. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 increased accuracy and simplification method.in the implementation of the method u0438u0437u043cu0435u0440u0435u043du0438u00a0 speed domain walls prior to the u043cu0435u043du043eu0441u043eu0434u0435u0440u0436u0430u0449u0435u0439 tape form a sting or linear mixed with locally reduced a u0437u0430u0440u043eu0434u044bu0448u0435u043eu0431 - u0440u0430u0437u043eu0432u0430u043du0438u00a0.that is, by the local u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 thickness of film, the local ion implantation by u0432u043eu0437u0434u0435u0439u0441u0442u0432u0438u00a0 on film focused pulse laser u0438u0437u043bu0443u0447 u0435u043du0438u0435u043c with wavelength of u043fu043eu0433u043bu043eu0449u0435u043du0438u00a0 film by u043fu0440u043eu043fu0443u0441u043au0430u043du0438u00a0 current pulse through the u0442u043eu043au043eu043fu0440u043e - u0432u043eu0434u00a0u0449u0438u0439 u043du0430u0445u043eu0434u00a0u0449u0438u0439u0441u00a0 u0440u0435u0437u0438u0441u0442u0438u0432u043du044bu0439 element in contact with the interlayer, and the through the pulse acoustic u0432u043eu0437u0434u0435u0439u0441u0442u0432u0438u00a0 on tape.u0434u043eu043cu0435u043du043eu0441u043eu0434u0435u0440u0436u0430u0449u0443u044e film u043du0430u043cu0430u0433u043du0438u0447u0438u0432u0430u044eu0442 to u043du0430u0441u044bu0449u0435u043du0438u00a0 field u0441u043cu0435u0449u0435u043du0438u00a0, and in the opposite direction were pulse magnetic field, the u043cu0430u0433u043du0438u0447u0438u0432u0430u044eu0449u0435u0435 the tape. record the time dependence of domain wall u043fu0435u0440u0435u043cu0435u0449u0435u043du0438u00a0 domain reverse u043du0430u043cu0430u0433u043du0438 value u0437u0430u0440u043eu0436u0434u0430u044eu0449u0435u0433u043eu0441u00a0 on local diversities, and the angle of l the dependence of the speed of the u0438u043du0435u0439u043du043eu0433u043e u0441u0443u0434u00a0u0442 domain walls.4, z. s - lu. c5 00 00 fe VJ eating yu cj