A new paper has beem published on Chemistry of Materials
Chemical Switching of Ferroaxial and Nonferroaxial Structures Based on Second-Order Jahn–Teller Activity in (Na,K)2Hf(BO3)2
Takayuki Nagai,and Tsuyoshi Kimura
Chem. Mater. 35, 4109-4115 (2023).