@article{WU2022, 
author = {Angxuan WU and Ziyang YAN and Xilin WANG and Zhiyang YU and Rongxia HUANG and Nianping YAN and Zhidong JIA},
title = {A versatile defect engineering strategy for room-temperature flash sintering},
year = {2022},
journal = {Journal of Advanced Ceramics},
volume = {11},
number = {7},
pages = {1172-1178},
keywords = {oxygen vacancies, defect engineering, flash sintering (FS), ZnO powders, electric discharge},
url = {https://www.sciopen.com/article/10.1007/s40145-022-0591-5},
doi = {10.1007/s40145-022-0591-5},
abstract = {In this study, we reported that flash sintering (FS) could be efficiently triggered at room temperature (25 ℃) by manipulating the oxygen concentration within ZnO powders via a versatile defect engineering strategy, fully demonstrating a promising method for the repaid prototyping of ceramics. With a low concentration of oxygen defects, FS was only activated at a high onset electric field of ~2.7 kV/cm, while arcs appearing on the surfaces of samples. Strikingly, the onset electric field was decreased to < 0.51 kV/cm for the activation of FS initiated, which was associated with increased oxygen concentrations coupled with increased electrical conductivity. Thereby, a general room-temperature FS strategy by introducing intrinsic structural defect is suggested for a broad range of ceramics that are prone to form high concentration of point defects.}
}