Regulation mechanism of catalyst structure on diamond crystal morphology under HPHT process

Li Ya-Dong¹, Cheng Yong-Shan¹, Su Meng-Jie¹, Ran Qi-Fu¹, Wang Chun-Xiao², Ma Hong-An², Fang Chao³, Chen Liang-Chao^{3, †}

(a) High-pressure apparatus for diamond synthesis, (b) diamond synthesizing assembly cavity, and (c) catalyst structure modes A, B, and C with different protruding heights.