A Low Temperature Thermoelectric Measurement

Presentation Type

Poster/Portfolio

Presenter Major(s)

Physics, Mathematics

Mentor Information

Harold Schnyders

Department

Physics

Location

Kirkhof Center KC14

Start Date

10-4-2013 12:00 PM

End Date

10-4-2013 1:00 PM

Keywords

Physical Science, Technology

Abstract

The Seebeck coefficient of a material measures the magnitude of voltage produced when a temperature gradient is created. This project focused on development of a method for measuring thermoelectric data for material samples in a low temperature setting. Temperatures range from 77 K, the boiling point of liquid nitrogen, to approximately 293 K, room temperature. The technique will be used to measure a sample with a well established measurement of the Seebeck coefficient to establish a baseline. The method will then be used to measure a sample of S_2 Te which has not been thoroughly researched due to its instability at room temperature. The method involved data collection techniques using LabView software as well as creating an integrated chip template to allow switching between samples easily.

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Apr 10th, 12:00 PM Apr 10th, 1:00 PM

A Low Temperature Thermoelectric Measurement

Kirkhof Center KC14

The Seebeck coefficient of a material measures the magnitude of voltage produced when a temperature gradient is created. This project focused on development of a method for measuring thermoelectric data for material samples in a low temperature setting. Temperatures range from 77 K, the boiling point of liquid nitrogen, to approximately 293 K, room temperature. The technique will be used to measure a sample with a well established measurement of the Seebeck coefficient to establish a baseline. The method will then be used to measure a sample of S_2 Te which has not been thoroughly researched due to its instability at room temperature. The method involved data collection techniques using LabView software as well as creating an integrated chip template to allow switching between samples easily.