Strain propagation in layered two-dimensional halide perovskites

• Main Authors: Fu, Jianhui, Xu, Qiang, Ibrahim Abdelwahab, Cai, Rui, Febriansyah, Benny, Yin, Tingting, Loh, Kian Ping, Mathews, Nripan, Sun, Handong, Sum, Tze Chien
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2022
• Subjects: Science::Physics; Strain; Layered 2D Halide Perovskites; Coherent Acoustic Phonon
• Online Access: https://hdl.handle.net/10356/161748
• Institution: Nanyang Technological University

Impulsive light excitation presents a powerful tool for investigating the interdependent structural and electronic responses in layered two-dimensional (2D) halide perovskites. However, detailed understanding of the nonlinear lattice dynamics in these soft hybrid materials remains limited. Here, we...