& Inorganic Pigments | Hot Paper | Stuffed Tridymite Structures: Synthesis, Structure, Second Harmonic Generation, Optical, and Multiferroic Properties Anupam Bhim, [a] Jean-Pascal Sutter, [b] Jagannatha Gopalakrishnan, [a] and Srinivasan Natarajan* [a] Chem. Eur. J. 2021, 27, 1995 – 2008 # 2020 Wiley-VCH GmbH 1995 Chemistry—A European Journal Full Paper doi.org/10.1002/chem.202004078