4.2 Synthesis and Preparation
107
Fig. 4.3 Photographs of crystal seeding of 1ch from 1o by crystal contact. Photographs are taken
a–c under room light, d–f under UV light
Fig. 4.4 Photographs of the spontaneous phase transition from 1o to 1ac which is triggered by
pricking. Photographs are taken a–c under room light, and d–f under UV light
Fig. 4.5 Photographs of crystal seeding of 1ac from 1o by crystal contact. Photographs are taken
a–c under room light, d–f under UV light