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 A46: Undergraduate Research I
8:00 AM–10:48 AM,
Monday, March 6, 2023
Room: Room 314
Sponsoring
Unit:
SPS
Chair: Brad Conrad, AIP
Abstract: A46.00001 : Probing CDW states in Graphene/1T-TaS2 heterostructures using Scanning Tunneling Microscopy/Spectroscopy.*
8:00 AM–8:12 AM
Abstract 
Presenter:
Taha Kaleem
(Rutgers University)
Authors:
Taha Kaleem
(Rutgers University)
Michael Altvater
(Rutgers University, New Brunswick)
Sheng-Hsiung Hung
(National Tsing Hua University)
Nikhil M Tilak
(Rutgers University)
Choong Jae-Won
(Max Planck POSTECH/Korea Research Initiative, Pohang University of Science and Technology and Laboratory of Pohang Emergent Materials, Pohang Accelerator Laboratory, Korea)
Guohong Li
(Rutgers University, New Brunswick)
Sang-Wook Cheong
(Rutgers University, New Brunswick)
Chung-Hou Chung
(National Chiao Tung University)
Horng-Tay Jeng
(National Tsing Hua University)
Eva Y Andrei
(Rutgers University)
Charge Density Wave (CDW) states which survive well above room temperature.
However, 1T-TaS2 is highly susceptible to degradation under ambient conditions,
making it difficult to probe experimentally with surface sensitive techniques. We use a
monolayer Graphene cover to protect its surface from oxidation and investigate these
heterostructures using Scanning Tunneling Microscopy/Spectroscopy. Our
measurements reveal an induced CDW-like phase in the Graphene layer.
*National Science Foundation grant EFRI 1433307; the Department of EnergyDOE-FG02-99ER45742, the Gordon and Betty Moore Foundation EPiQS initiativegrant GBMF9453
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