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High-Resolution Scanning Tunneling Microscope and its Adaptation for Local Thermopower Measurements in 2D Materials by Bermúdez-Perez, Jose D.; Herrera-Vasco, Edwin; Casas-Salgado, Javier; Castelblanco, Hector A.; Vega-Bustos, Karen; Cardenas-Chirivi, Gabriel; Herrera-Sandoval, Oscar L.; Suderow, Hermann; Giraldo-Gallo, Paula; Galvis, Jose A. is a scholarly article available to read on EtoBox.

What is High-Resolution Scanning Tunneling Microscope and its Adaptation for Local Thermopower Measurements in 2D Materials about?

We present the design, fabrication and discuss the performance of a new combined high-resolution Scanning Tunneling and thermopower Microscope (STM/SThEM). We also describe the development of the electronic control, the user interface, the vacuum system, and arrangements to reduce acoustical noise and vibrations. We demonstrate the microscope performance with atomic-resolution topographic images of Highly oriented pyrolytic graphite (HOPG) and local thermopower measurements in the semimetal Bi2Te3 sample. Our system offers a tool to investigate the relationship between electronic structure and thermoelectric properties at the nanoscale.

Author

Bermúdez-Perez, Jose D.; Herrera-Vasco, Edwin; Casas-Salgado, Javier; Castelblanco, Hector A.; Vega-Bustos, Karen; Cardenas-Chirivi, Gabriel; Herrera-Sandoval, Oscar L.; Suderow, Hermann; Giraldo-Gallo, Paula; Galvis, Jose A.

Published

2023

Language

EN