Citation: Abeysinghe, Dileka; Huq, Ashfia; Yeon, Jeongho; Smith, Mark D.; zur Loye, Hans-Conrad (2018). In Situ Neutron Diffraction Studies of the Flux Crystal Growth of the Reduced Molybdates La4Mo2O11 and Ce4Mo2O11: Revealing Unexpected Mixed-Valent Transient Intermediates and Determining the Sequence of Events during Crystal Growth. Chemistry of Materials, , pp. -.