Applying band gap engineering to tune the linear optical and nonlinear optical properties of noncentrosymmetric chalcogenides La<sub>4</sub>Ge<sub>3</sub>Se<sub><i>x</i></sub>S<sub>12−<i>x</i></sub> (<i>x</i> = 0, 2, 4, 6, 8, 10)
Gary Cicirello, Kui Wu, Bingbing Zhang, Jian Wang
Abstract
Band gap engineering was applied to tune the properties of a phase-matchable La 4 Ge 3 S 12 by replacing S with Se, which uncovered five new compounds: La 4 Ge 3 Se x S 12− x ( x = 2, 4, 6, 8, 10).
Topics & Concepts
Band gapNonlinear opticalGermaniumMaterials sciencePhase (matter)Condensed matter physicsPhysicsNonlinear systemCrystallographyOptoelectronicsChemistryQuantum mechanicsSiliconCrystal Structures and PropertiesChalcogenide Semiconductor Thin FilmsInorganic Chemistry and Materials