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Magnetic Proximity Effect Inside Heterostructures of 2D Materials and Thin Films Adjacent to Magnetic Insulators

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2018, Doctor of Philosophy, Ohio State University, Physics.
The magnetic proximity effect (MPE) has generated a lot of interest recently due to its ability to introduce magnetic order into otherwise non-magnetic systems. It can be realized in 2D material stacks as well as inside 3D material thin film heterostructure. The work in this thesis explores MPE inside a variety of heterostructures using multiple measurement techniques. It demonstrates the first realization of MPE inside a thin film of Pt from a ferrimagnetic insulator CoFe2O4. Next, it experimentally demonstrates a novel growth method for synthesizing high quality thin films of topological Dirac semimetal Na3Bi on Al2O3 substrate, and further extends this growth method to synthesize the first topological Dirac semimetal/magnetic insulator heterostructure of Na3Bi/CoFe2O4. Finally, it lays the groundwork for ambitious studies of MPE inside 2D material/magnetic insulator heterostructures using angle-resolved photoemission spectroscopy. This is accomplished by a new process of transferring flakes of 2D materials on top of freshly deposited thin films while inside an ultra-high vacuum environment.
Roland Kawakami (Advisor)
Yuanming Lu (Committee Member)
Jay Gupta (Committee Member)
Enam Chowdhury (Committee Member)
152 p.

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Citations

  • PINCHUK, I. (2018). Magnetic Proximity Effect Inside Heterostructures of 2D Materials and Thin Films Adjacent to Magnetic Insulators [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543570735992966

    APA Style (7th edition)

  • PINCHUK, IGOR. Magnetic Proximity Effect Inside Heterostructures of 2D Materials and Thin Films Adjacent to Magnetic Insulators. 2018. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1543570735992966.

    MLA Style (8th edition)

  • PINCHUK, IGOR. "Magnetic Proximity Effect Inside Heterostructures of 2D Materials and Thin Films Adjacent to Magnetic Insulators." Doctoral dissertation, Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543570735992966

    Chicago Manual of Style (17th edition)