High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials

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

doi:10.1016/j.ultramic.2024.113963

High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials

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

School of Engineering, Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

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's performance with atomic-resolution topographic images of highly oriented pyrolytic graphite (HOPG) and local thermopower measurements in the semimetal Bi₂Te₃. Our system offers a tool to investigate the relationship between electronic structure and thermoelectric properties at the nanoscale.

Original language	English (US)
Article number	113963
Journal	Ultramicroscopy
Volume	261
DOIs	https://doi.org/10.1016/j.ultramic.2024.113963
State	Published - Jul 2024

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Instrumentation

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10.1016/j.ultramic.2024.113963

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Bermúdez-Perez, J. D., Herrera-Vasco, E., Casas-Salgado, J., Castelblanco, H. A., Vega-Bustos, K., Cardenas-Chirivi, G., Herrera-Sandoval, O. L., Suderow, H., Giraldo-Gallo, P., & Galvis, J. A. (2024). High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials. Ultramicroscopy, 261, Article 113963. https://doi.org/10.1016/j.ultramic.2024.113963

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title = "High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials",

abstract = "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's performance with atomic-resolution topographic images of highly oriented pyrolytic graphite (HOPG) and local thermopower measurements in the semimetal Bi2Te3. Our system offers a tool to investigate the relationship between electronic structure and thermoelectric properties at the nanoscale.",

author = "Berm{\'u}dez-Perez, {Jose D.} and Edwin Herrera-Vasco and Javier Casas-Salgado and Castelblanco, {Hector A.} and Karen Vega-Bustos and Gabriel Cardenas-Chirivi and Herrera-Sandoval, {Oscar L.} and Hermann Suderow and Paula Giraldo-Gallo and Galvis, {Jose Augusto}",

note = "Publisher Copyright: {\textcopyright} 2024",

year = "2024",

month = jul,

doi = "10.1016/j.ultramic.2024.113963",

language = "English (US)",

volume = "261",

journal = "Ultramicroscopy",

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Bermúdez-Perez, JD, Herrera-Vasco, E, Casas-Salgado, J, Castelblanco, HA, Vega-Bustos, K, Cardenas-Chirivi, G, Herrera-Sandoval, OL, Suderow, H, Giraldo-Gallo, P & Galvis, JA 2024, 'High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials', Ultramicroscopy, vol. 261, 113963. https://doi.org/10.1016/j.ultramic.2024.113963

TY - JOUR

T1 - High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials

AU - Bermúdez-Perez, Jose D.

AU - Herrera-Vasco, Edwin

AU - Casas-Salgado, Javier

AU - Castelblanco, Hector A.

AU - Vega-Bustos, Karen

AU - Cardenas-Chirivi, Gabriel

AU - Herrera-Sandoval, Oscar L.

AU - Suderow, Hermann

AU - Giraldo-Gallo, Paula

AU - Galvis, Jose Augusto

PY - 2024/7

Y1 - 2024/7

N2 - 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's performance with atomic-resolution topographic images of highly oriented pyrolytic graphite (HOPG) and local thermopower measurements in the semimetal Bi2Te3. Our system offers a tool to investigate the relationship between electronic structure and thermoelectric properties at the nanoscale.

AB - 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's performance with atomic-resolution topographic images of highly oriented pyrolytic graphite (HOPG) and local thermopower measurements in the semimetal Bi2Te3. Our system offers a tool to investigate the relationship between electronic structure and thermoelectric properties at the nanoscale.

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SN - 0304-3991

VL - 261

JO - Ultramicroscopy

JF - Ultramicroscopy

M1 - 113963

ER -

High-resolution scanning tunneling microscope and its adaptation for local thermopower measurements in 2D materials

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All Science Journal Classification (ASJC) codes

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