Scanning tunneling thermometer
Abstract
Various examples are provided related to scanning tunneling thermometers and scanning tunneling microscopy (STM) techniques. In one example, a method includes simultaneously measuring conductance and thermopower of a nanostructure by toggling between: applying a time modulated voltage to a nanostructure disposed on an interconnect structure, the time modulated voltage applied at a probe tip positioned over the nanostructure, while measuring a resulting current at a contact of the interconnect structure; and applying a time modulated temperature signal to the nanostructure at the probe tip, while measuring current through a calibrated thermoresistor in series with the probe tip. In another example, a device includes an interconnect structure with connections to a first reservoir and a second reservoir; and a scanning tunneling probe in contact with a probe reservoir. Electrical measurements are simultaneously obtained for temperature and voltage applied to a nanostructure between the reservoirs.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Arizona, Tucson, AZ (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1892506
- Patent Number(s):
- 11215636
- Application Number:
- 17/092,722
- Assignee:
- Arizona Board of Regents on Behalf of the University of Arizona (Tucson, AZ)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01K - MEASURING TEMPERATURE
G - PHYSICS G01 - MEASURING G01Q - SCANNING-PROBE TECHNIQUES OR APPARATUS
- DOE Contract Number:
- SC0006699
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 11/09/2020
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Chinivaranahalli Shastry, Abhay Shankar, and Stafford, Charles Allen. Scanning tunneling thermometer. United States: N. p., 2022.
Web.
Chinivaranahalli Shastry, Abhay Shankar, & Stafford, Charles Allen. Scanning tunneling thermometer. United States.
Chinivaranahalli Shastry, Abhay Shankar, and Stafford, Charles Allen. Tue .
"Scanning tunneling thermometer". United States. https://www.osti.gov/servlets/purl/1892506.
@article{osti_1892506,
title = {Scanning tunneling thermometer},
author = {Chinivaranahalli Shastry, Abhay Shankar and Stafford, Charles Allen},
abstractNote = {Various examples are provided related to scanning tunneling thermometers and scanning tunneling microscopy (STM) techniques. In one example, a method includes simultaneously measuring conductance and thermopower of a nanostructure by toggling between: applying a time modulated voltage to a nanostructure disposed on an interconnect structure, the time modulated voltage applied at a probe tip positioned over the nanostructure, while measuring a resulting current at a contact of the interconnect structure; and applying a time modulated temperature signal to the nanostructure at the probe tip, while measuring current through a calibrated thermoresistor in series with the probe tip. In another example, a device includes an interconnect structure with connections to a first reservoir and a second reservoir; and a scanning tunneling probe in contact with a probe reservoir. Electrical measurements are simultaneously obtained for temperature and voltage applied to a nanostructure between the reservoirs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 04 00:00:00 EST 2022},
month = {Tue Jan 04 00:00:00 EST 2022}
}
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