Aminorroaya Yamini, Sima Band-Gap Nonlinearity in Lead Chalcogenide (PbQ, Q = Te, Se, S) Alloys. [electronic resource] - ACS omega Jul 2017 - 3417-3423 p. digital Publication Type: Journal Article ISSN: 2470-1343 Standard No.: 10.1021/acsomega.7b00539 doi