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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Magneto-thermoelectric effects in magnetic metallic thin-films

Park, Gyuhyeon 30 August 2021 (has links)
It was the purpose of this thesis to evaluate two-dimensional (2D) magneto-thermoelectric (MTE) phenomena in thinner regime. Mostly this work was motivated by the recent discovery of MTE properties in transition metal dichalcogenides (TMD). In general, TMD thin films have attracted much attention due to their very good electrical, optical, and electrochemical properties. However the total amount of studies of the MTE in TMD is rather small compared to the other properties, such as electric, opto-electric, and catalyst. Hence, in this thesis, we aimed to evaluate the MTE properties in TMD materials. Before we started to measure TMDs, we established a measurement platform and studied MTE properties in ferromagnetic CoFeB, and Weyl semimetal Co2MnGa.:1. Introduction a. Physical background i. Seebeck Effect ii. Anomalous Hall Effect and Anomalous Nernst Effect iii. Mott relation 2. Sample Preparation and evaluation a. Physical vapor deposition b. Mechanical Exfoliation c. Patterning Process 3. Data Evaluation 4. State of the art in Transition Metal Dichalcogenids a. Introduction b. TMD in use c. Magneto-thermoelectric properties in TMD 5. Magneto-thermoelectrical properties in CoFeB thin film a. Introduction b. Results and Discussion c. Conclusion 6. Anomalous Nernst and Anomalous Hall effect in Co2MnGa thin film a. Introduction b. Results and Discussion c. Summary 7. Anomalous Hall effect in exfoliated VS2 flake a. Introduction b. Experiment c. Results and Discussion d. Summary 8. Summary Acknowledgement and References

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