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Coherent Spectroscopy of Transition Metal Dichalcognides
Cubed
StatusCubed
Steven
Cundiff
LSA: Natural Sciences
Zetian
Mi
Engineering
Mackillo
Kira
Engineering
StatusCubed
Cube Size
Classic Cube ($60K)
Category
Atomic Level Phenomena and Science
Mcubed 2.0
Description

Transition metal dichalgonides are 2D materials that have attracted significant attention because a single monolayer has a direct bandgap, whereas a bilayer, or more, is indirect. This transition is important for optics because direct gap materials emit light efficiently, whereas indirect gap materials do not. We will study these materials using optical coherent multidimensional spectroscopy at the diffraction limit. This method can remove the effects of sample heterogenity that results in inhomogeneous broadenng of resonances. We will start with currently available exfoliated samples, and then transition to studying samples grown by molecular beam epitaxy. The method is expected to reveal the presence of exciation induced dephasing and shifts, which indicate that many-body effects are present. These effects will be theoretically described using state-of-the-art theoretical and computational methods.

Accomplishments
Check back soon for cube accomplishments!
Keywords
Spectroscopy,
2D,
Transition Metal Dichalcognides
Project ID
1528
Project Posted By
Steven Cundiff (LSA: Natural Sciences)

Team

Steven
Cundiff
LSA: Natural Sciences
Zetian
Mi
Engineering
Mackillo
Kira
Engineering

Additional Faculty

Additional Personnel

Eric Martin, Graduate Student, LSA: Natural Sciences, Applied Physics, UM-AA
Hanna Ruth, Graduate Student, LSA: Natural Sciences, Applied Physics, UM-AA
Ben Giordias, Graduate Student, LSA: Natural Sciences, Applied Physics, UM-AA
David Laleyan, Graduate Student, College of Engineering, Electrical and Computer Engineering, UM-AA
Hui Deng, Professor, LSA: Natural Sciences, Physics, UM-AA

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