Pd-Si金属玻璃液-液相变过程的短程-中程序结构演变规律
董蔚霞, 姚忠正, 刘思楠, 陈国星, 王循理, 吴桢舵, 兰司

Evolution of Short-to-Medium Range Orders During the Liquid-Liquid Phase Transition of a Pd-Si Metallic Glass
DONG Weixia, YAO Zhongzheng, LIU Sinan, CHEN Guoxing, WANG Xun-Li, WU Zhenduo, LAN Si
图4 Pd82Si18金属玻璃在超过冷液相区等温退火过程中的约化对分布函数(PDF)图谱(G(r))及差分图谱(ΔG(r))
Fig.4 Reduced pair distribution function G(r) (a) and differential profiles ΔG(r) (b) for Pd82Si18 metallic glass during isothermal annealing (The annealing time for each line corresponds to that in Fig.1a. r—the distance between two atoms; G(r)—reduced pair distribution function; ΔG(r) obtained by subtracting the respective G(r) profile at the beginning of isothermal annealing (3 s); r1—the first shell; r21, r31, r33, r34, r42—the crystalline peaks in G(r); r22, r23, r32, r41—the amorphous peaks in G(r); the dashed lines and solid lines represent atomic pairs in fcc and 6M-TTP (six-membered tricapped trigonal prism) structure, respectively)