Abstract
In this article, the authors present the impact of laser treatment on the structure of magnetic composite microfibers. Changes occurring on the surface can have a significant impact on the conductive properties of functional materials produced on a micro- and nanoscale. The fibers presented are functional materials that gain technical applications when combined with other materials. In this case, we refer to the concept of textronics, i.e., the combination of textiles with electronics to create various types of flexible sensors. The authors performed microscopic analysis to observe the changes occurring in the materials. For this purpose, scanning electron microscope and atomic force microscope were used.