Revealing the Substrate Dependent Ultrafast Phonon Dynamics in Bi2Se3 Thin Films

Revealing the Substrate Dependent Ultrafast Phonon Dynamics in Bi2Se3 Thin Films

Abstract The bulk carrier excitation influences the phonon dynamics, which can alter and modulate the surface charge density of topological insulators such as bismuth selenide (Bi2Se3). This work investigates the charge carrier and phonon dynamics in Bi2Se3 grown on various substrates. The orientati...

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Bibliographic Details
Main Authors: Saurabh K. Saini, Naveen Kumar Tailor, Prince Sharma, Lavi Tyagi, Nikita Vashistha, Rimjhim Yadav, Amit Kumar Chaudhary, Soumitra Satapathi, Mahesh Kumar
Format: Article
Language:English
Published: Wiley-VCH 2023-01-01
Series:Advanced Materials Interfaces
Subjects:
acoustic phonon dynamics
nanostructures
sound velocity
thin film
ultrafast spectroscopy
Online Access:https://doi.org/10.1002/admi.202201650

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