Optics and Spectroscopy
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Phase-gradient CsPbBr3 perovskite structure
Battalova E. I.
1, Kharintsev S. S.
1
1Kazan Federal University, Kazan, Tatarstan, Russia
Email: elibattalova@kpfu.ru
We introduce a strategy to develop multiple-phase structure of inorganic lead halide perovskite CsPbBr3. The method is based on local optical heating, which allows the creation of strong temperature gradients. Using Raman spectroscopy, it was determined that such gradients induce a distribution of phase transitions within the perovskite crystal. We show that such gradients lead to perovskite multiple-phase structure. Keywords: Perovskites, Phase transitions, metasurface, thermal gradient, Raman scattering.
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