In Memoriam: Professor Rattikorn Yimnirun

The IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society (UFFC) mourns the passing of Professor Dr. Rattikorn Yimnirun, a dedicated researcher, educator, and member of the ferroelectrics community. Prof. Rattikorn passed away on February 9, 2025, in Thailand.

Prof. Rattikorn was an active member of IEEE, serving in leadership roles, including Past Chair of the IEEE Magnetics Society Thailand Chapter and Past Technical Program Chair of IEEE TENCON 2023, Thailand. He was also involved in the Ferroelectrics Committee of UFFC, contributing to the advancement of research and collaboration in the field.

Beyond his work with IEEE, Prof. Rattikorn was a long-standing member of the Editorial Board of the Chiang Mai Journal of Science. Over the past 20 years, he was a strong supporter of the journal, playing a key role in its growth and development. Prior to his latest appointment in 2017 as Professor of Materials Science at the Vidyasirimedhi Institute of Science and Technology (VISTEC), he held faculty positions at Chiang Mai University (2001-2009) and Suranaree University of Technology (2009-2017), advancing research in materials science.

Prof. Rattikorn was a valued mentor who encouraged and supported many students and colleagues. His kindness, guidance, and dedication to education and research will be remembered.

IEEE UFFC extends its sincere condolences to his family, friends, and colleagues on this great loss.