Rapid Hydrothermal Synthesis of Submillimeter Ultralong Flexible Hydroxyapatite Fiber Using Different pH Regulators

Mei-li Qi, Gui-yong Xiao, Yu-peng Lu

Fig. 4 TEM images of the HAF obtained at 180 °C for 0.5 h by urea: a TEM with low magnification, b TEM and SAED pattern (inset), c HRTEM