Prof. Seungbum Hong visited the city of Ekaterinburg to attend in the 3rd International Conference on Scanning Probe Microscopy (SPM) and the 4th Russia-China Workshop on Dielectric and Ferroelectric Materials (RCWDFM) Joint International Conference (SPM-2019-RCWDFM), August 25th ~ 28th, 2019. He gave a presentation in the Tutorial Session as well as in the Tutorial.