Chikamatsu gave an invited talk at The 20th Industry-Academia Collaboration Subcommittee of the Fluorine Chemistry Society of Japan.

Chikamatsu gave an invited talk titled “Topochemical fluorination of barium-substituted bismuth ferrate thin films” at The 20th Industry-Academia Collaboration Subcommittee of the Fluorine Chemistry Society of Japan held at Waim Ochanomizu in Tokyo.