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.

引用

页数：10

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