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Combinatorial Analysis of Thermoelectric Materials using Pulsed Laser Deposition

Snyder, Ryan Daniel

Abstract Details

2016, Doctor of Philosophy (Ph.D.), University of Dayton, Materials Engineering.
A high-throughput combinatorial approach for exploratory materials research was developed and applied to thermoelectric materials with complex compositions and crystal structures. This approach allows rapid correlation between the composition, structure, and properties to provide an understanding of how these factors impact thermoelectric performance. Combinatorial samples with graded compositions were successfully deposited using pulsed laser deposition for two thermoelectric materials classes, Ca3Co4O9 and CoSb3. These films were subsequently analyzed using high-throughput analytical tools developed as part of this work. These measurements were supplemented with theoretical models, such as the single parabolic band theory, to provide further explanation as to the sources of variation in the composition-structure-property relationships. Several aspects of these complex relationships, such as the non-parabolic band structure of CoSb3 and the formation of secondary phases in Ca3Co4O9 films, were identified and correlated to observed stoichiometric and thermoelectric property variations using this developed combinatorial method. This work represents a multifaceted approach to combinatorial analysis, which can be extended to other material systems and applications. Further enhancements to the material fabrication process, measurement techniques, or models used for analysis can easily be incorporated into the presented combinatorial framework.
Andrey Voevodin, Ph.D. (Committee Chair)
Evan Thomas, Ph.D. (Committee Member)
Paul Murray, Ph.D. (Committee Member)
Christopher Muratore, Ph.D. (Committee Member)
Wiebke Diestelkamp, Ph.D. (Committee Member)
257 p.

Recommended Citations

Citations

  • Snyder, R. D. (2016). Combinatorial Analysis of Thermoelectric Materials using Pulsed Laser Deposition [Doctoral dissertation, University of Dayton]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1460037906

    APA Style (7th edition)

  • Snyder, Ryan. Combinatorial Analysis of Thermoelectric Materials using Pulsed Laser Deposition. 2016. University of Dayton, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=dayton1460037906.

    MLA Style (8th edition)

  • Snyder, Ryan. "Combinatorial Analysis of Thermoelectric Materials using Pulsed Laser Deposition." Doctoral dissertation, University of Dayton, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1460037906

    Chicago Manual of Style (17th edition)