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Chemical Trends in Complex Electronic Structures of Thermoelectric Semiconductors

Description:

Thermoelectric devices convert between temperature gradients and electricity, implying numerous applications, such as powering exploratory space vehicles, industrial waste-heat recovery, and solid- state refrigeration. Thermoelectric devices consist of doped p-type and n-type semiconductor legs, and the overall device efficiency depends on the transport properties of these semiconductor materials. High-performing thermoelectric...

Keyword:

band engineering, electronic structure, density functional theory, thermoelectrics, group theory, and tight-binding

Subject:

Materials Science

Creator:

Brod, Madison K

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

05/31/2023

Date Created:

2023-01-01

Resource Type:

Dissertation

Alternate Identifier:

http://dissertations.umi.com/northwestern:16437 and etdadmin_upload_967109
Phonon-Defect Interactions in Thermoelectric Materials

Description:

Engineering heat transport in materials is essential for thermal management in a wide range of technologies, from batteries to thermoelectrics. Materials host a wide spectrum of heat-carrying phonons, which vary in their frequency, spatial extent, and degree of plane-wave character. This diversity in phonon properties leads to complex behavior, especially...

Keyword:

thermal modelling, thermal conductivity, semiconductors, phonons, and thermoelectrics

Subject:

Physics and Materials Science

Creator:

Gurunathan, Ramya

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

02/02/2022

Date Created:

2021-01-01

Resource Type:

Dissertation

Alternate Identifier:

etdadmin_upload_856415 and http://dissertations.umi.com/northwestern:15824

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