Anisotropic dielectric behavior of layered perovskite-like Cs<sub>3</sub>Bi<sub>2</sub>I<sub>9</sub> crystals in the terahertz region
Qihao Sun, Wenhui Yang, Yuanbo Cheng, Jiangpeng Dong, Mengqin Zhu, Binbin Zhang, Alain Dubois, Menghua Zhu, Wanqi Jie, Yadong Xu
Abstract
Corresponding frequency domain spectrum and the calculated IR absorption spectrum of the Cs<sub>3</sub>Bi<sub>2</sub>I<sub>9</sub> crystal at 0.1–4.0 THz.
Topics & Concepts
Perovskite (structure)AnisotropyTerahertz radiationMaterials scienceDielectricCrystal (programming language)Absorption (acoustics)Absorption spectroscopyCrystal structureCondensed matter physicsCrystallographyOpticsPhysicsChemistryOptoelectronicsProgramming languageComposite materialComputer sciencePerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyCrystal Structures and Properties