the disclosure pertains to a method of orientating particles by their easy axes in a selected area of a composite comprising the particles dispersed in a matrix . the method comprises liquefying and then solidifying the matrix at the selected area while applying an external magnetic field on the composite . the composite can be used for a transmission line component for directing high frequency electromagnetic waves . the particles are preferably superparamagnetic nanocrystallite particles and matrix is preferably a polymeric material .