First principles and scanning tunneling spectroscopical evidences for thermodynamically stable "on-top" sulfur divacancy in monolayer WS${}_2$

Weiru Chen, John C. Thomas, Yihuang Xiong +10

Chalcogen vacancies in monolayer transition metal dichalcogenides (TMDs), such as WS${}_2$, play a crucial role in various applications ranging from optoelectronics and catalysis t…