Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session Q41: Synthesis and Spectroscopy
3:00 PM–5:36 PM,
Wednesday, March 8, 2023
Room: Room 319
Sponsoring
Unit:
DMP
Chair: Ross Kerner, National Renewable Energy Laboratory; Joe Berry
Abstract: Q41.00012 : A Raman Scattering Investigation of Halide Rb4Ag2BiBr6*
5:12 PM–5:24 PM
Presenter:
Collin T Tower
(Brock University)
Authors:
Collin T Tower
(Brock University)
Maureen Reedyk
(Brock University)
double perovskite Cs2AgBiBr6 which consists of alternating BiBr6 octahedral groups surrounding a central cation, with Rb4Ag2BiBr6 containing additional AgBr5 square pyramids. Using a controlled cooling synthesis technique[2] Rb4Ag2BiBr6 crystals have been successfully synthesized. The composition has been confirmed via X-ray powder diffraction and Energy Dispersive X-ray spectroscopy. Temperature and polarization dependent Raman scattering spectroscopy measurements will be presented to analyze the vibrational modes.
[1] C.N. Savory et al. ACS Energy Letters. 1 (5), 949−955, 2016.
[2] L. Yin et al. Advanced Optical Materials. 7 (19) 1900491, 2019.
**The authors are grateful to Brock University and the NSERC Canada Discovery Grant program for financial support.
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