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Daniel P. Weller

Daniel P. Weller
University of New England · Physics

PhD Materials Science and Engineering, B.S. Chemical Physics

About

12
Publications
7,929
Reads
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52
Citations
Additional affiliations
May 2021 - December 2021
Saginaw Valley State University
Position
  • Adjunct Physics Faculty
May 2020 - December 2020
Saginaw Valley State University
Position
  • Undergraduate Student
August 2014 - April 2021
Michigan State University
Position
  • Graduate Student and Postdoctoral Research Associate
Education
August 2014 - December 2018
Michigan State University
Field of study
  • Materials Science and Engineering
August 2010 - May 2014
Saginaw Valley State University
Field of study
  • Chemical Physics and ACS Chemistry

Publications

Publications (12)
Article
Tetrahedrite offers advantages over state-of-the-art thermoelectrics, such as lead telluride, because of its low cost and environmentally friendly composition. However, typical sealed-tube synthesis of tetrahedrite can require multiple days or weeks. In this study, tetrahedrite co-doped with nickel and zinc was synthesized by two different approach...
Article
Tetrahedrite, a promising thermoelectric material composed of earth-abundant elements, has been fabricated utilizing the rapid and low energy modified polyol process. Synthesis has been demonstrated for undoped and zinc-doped tetrahedrite samples on the gram scale requiring only 1 hour at 220 °C. This method is capable of incorporating dopants and...
Thesis
Full-text available
An understanding of the magnetic response of materials as a function of frequency can provide information regarding the energy and time scales of different intra-material interactions. A convenient way to measure magnetic properties at radio frequencies (rf) is to measure frequency shifts in a self-resonant LC circuit. However, measurements of the...
Article
Full-text available
Thermoelectric materials have a long and storied history in the research and development of semiconductor materials, being the first such class of materials to be investigated. Thermoelectric may be used to convert heat to electricity or, alternatively, to liberate or absorb heat upon electrical excitation. They thus find application in thermoelect...
Preprint
Full-text available
Computational thinking has been a recent focus of education research within the sciences. However , there is a dearth of scholarly literature on how best to teach and to assess this topic, especially in disciplinary science courses. Physics classes with computation integrated into the curriculum are a fitting setting for investigating computational...
Article
A modified polyol process produces undoped and doped tetrahedrite. Bottom-up solution-phase formation of nanomaterial is investigated. Impact of nanostructuring and doping on thermal properties is evaluated.
Article
Tetrahedrite exhibits favorable thermoelectric properties, while also being composed of non-toxic and earth-abundant elements. Although tetrahedrite has been studied extensively as a p-type thermoelectric, n-type behavior in this material has not yet been observed. We report the first findings of n-type conductivity in tetrahedrite observed over a...
Article
In this work we investigated the effect of cell size and basis sets on the structural and dynamic properties from density-functional theory based molecular dynamics simulations. Three simulations, 1 × 1 × 1 cell with plane wave (PW) basis set, 1 × 1 × 1 cell with atomic orbital (AO) basis, and 2 × 2 × 2 cell with AO basis, were performed at 300 K o...

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