Table 1 Formation energy of chalcogen vacancies in NbSe2 and NbS2 under Nb-rich and Nb-poor conditions.

From: Effect of alloying in monolayer niobium dichalcogenide superconductors

Defect

Nb-rich (eV)

Nb-poor (eV)

VSe

0.7

1.7

VS

1.2

2

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