Melody Wu L&S Math & Physical Sciences
MoTe2 Carrier Dynamics via Attosecond Transient Grating Spectroscopy
Carrier dynamics play a fundamental role in enabling control, scalability, and performance of next-generation electronics. However, carriers react on timescales of a fraction of a femtosecond. To observe their processes in real time, attosecond light pulses in the extreme-ultraviolet (XUV) regime must be employed. 2H-MoTe2, a transition metal dichalcogenide (TMDC), is a promising candidate for next-generation electronics due to its complex carrier properties. With the novel attosecond transient grating spectroscopy (ATGS) technique, carrier and transport dynamics can be explored on an ultrafast timescale with background-free signals and element specificity. We aim to apply the new ATGS on 2H-MoTe2 as a validation of the ATGS technique and to investigate the material’s carrier dynamics. By building a phase mask component into our setup, carrier and phonon transport processes in solid-state systems, uniquely probed by ATGS, can be investigated for the first time.
Message To Sponsor
Thank you so much for your generous funding in supporting my exploration of attosecond physics this summer! I’m interested in understanding ultrafast light-matter interactions in solid state systems and their potential applications in technology. I’m excited to continue this multi-year project and ultimately develop it into a senior thesis.