Coherent Acoustic Phonons in Bi2Se3 Ultrathin Films Probed by Femtosecond, Optical Pump-Probe Spectroscopy
Paper in proceeding, 2024

The dynamics of coherent acoustic phonons in the Bi2Se3 layered crystal system are investigated. The findings reveal that the frequency evolution of breathing modes with the number of the material quintuple layers and the dispersion relation both can be explained by a modified chain model with a nonuniform coupling force.

Author

Jing Cheng

University of Rochester

Kiryl Niherysh

University of Latvia

Peter Francis

Hajim School of Engineering and Applied Sciences

Debamitra Chakraborty

University of Rochester

Floriana Lombardi

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Other publications Research

Donats Érts

University of Latvia

S. L. Prischepa

University of Salerno

Adam Laszcz

Sieć Badawcza Łukasiewicz

Ivan Komissarov

University of Rochester

Hajim School of Engineering and Applied Sciences

R. Sobolewski

University of Rochester

Hajim School of Engineering and Applied Sciences

CLEO: Fundamental Science, CLEO:FS 2024 in Proceedings CLEO 2024 - Part of Conference on Lasers and Electro-Optics


9781957171395 (ISBN)

CLEO: Fundamental Science, CLEO:FS 2024 - Part of Conference on Lasers and Electro-Optics, CLEO 2024
Charlotte, USA,

Subject Categories

Other Materials Engineering

Condensed Matter Physics

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Latest update

11/7/2024

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