Ba<sub>2</sub>Ge<sub>2</sub>Te<sub>5</sub>: a ternary NLO-active telluride with unusual one-dimensional helical chains and giant second harmonic-generation tensors
Mao‐Yin Ran, Zuju Ma, Xin‐Tao Wu, Hua Lin, Qi‐Long Zhu
Abstract
The linear-optical and NLO properties of a ternary NLO-active telluride, Ba 2 Ge 2 Te 5 , were investigated systematically at the experimental and theoretical levels for the first time.
Topics & Concepts
TellurideTernary operationSecond-harmonic generationInfraredBirefringenceMaterials scienceNonlinear opticalGroup (periodic table)CrystallographyChemistryOptoelectronicsOpticsPhysicsNonlinear systemOrganic chemistryComputer scienceMetallurgyQuantum mechanicsLaserProgramming languageCrystal Structures and PropertiesNonlinear Optical Materials ResearchSolid-state spectroscopy and crystallography