Fabrication of crystalline selenium microwire Project supported by the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 61425021) and the Natural Natural Science Foundation of China (Grant Nos. 11374296, 61376054, 61475153, and 61604132). |
(color online) (a) Optical micrograph image of a-Se core fiber. (b) Optical micrograph image of c-Se core fiber annealing at 150 °C for 1 h. |