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

被引：0
|
作者：
Bermudez-Perez, Jose D. [1 ,2 ]
Herrera-Vasco, Edwin [2 ,3 ,4 ]
Casas-Salgado, Javier [2 ]
Castelblanco, Hector A. [2 ]
Vega-Bustos, Karen [5 ]
Cardenas-Chirivi, Gabriel [5 ]
Herrera-Sandoval, Oscar L. [2 ]
Suderow, Hermann [3 ]
Giraldo-Gallo, Paula [5 ]
Galvis, Jose Augusto [1 ]
机构：
[1] Univ Rosario, Sch Engn Sci & Technol, Bogota 111711, Colombia
[2] Univ Cent, Fac Ingn & Ciencias Bas, Bogota 110311, Colombia
[3] Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, Dept Fis Mat Condensada, Fac Ciencias,Lab Bajas Temp & Altos Campos Magnet,, Madrid 28049, Spain
[4] Univ Autonoma Madrid, Fac Ciencias, Dept Fis Aplicada, E-28049 Madrid, Spain
[5] Univ Los Andes, Dept Phys, Bogota 111711, Colombia
来源：
ULTRAMICROSCOPY | 2024年 / 261卷
关键词：
Scanning tunneling microscope; Thermopower microscope; Thermoelectric properties; Nanoscale; GRAPHITE; SURFACE; IMAGES; SUPERCONDUCTORS; CORRUGATIONS; FORCES;
D O I：
10.1016/j.ultramic.2024.113963
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
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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页数：10
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