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Dynamics of Paramagnetic Spins: A Study of Spin Defects using Magnetic Resonance Force Microscopy

Cardellino, Jeremy D
http://rave.ohiolink.edu/etdc/view?acc_num=osu1448982765

Abstract Details

2015, Doctor of Philosophy, Ohio State University, Physics.
Magnetic Resonance Force Microscopy (MRFM) is a challenging yet incredibly sensitive tool for characterizing and imaging magnetic materials down to the nanoscale. It combines the technology of scanned probe microscopy with the powerful spectral techniques of magnetic resonance. The MRFM can measure very small spin ensembles, down to a single electron spin, and the measurements are performed at thermal equilibrium. Instead of perturbing the polarization away from equilibrium, the `spin noise' or statistical spin fluctuations are used to generate a force signal. Here I show MRFM measurements on a nanoscale `spin wire', which is a narrow, high spin density region implanted in a diamond substrate. The spin wire measurements reveal an interesting interplay between the transport and lifetime of spins con fined within the nanoscale diamond wire which are relevant for the development of nanoscale spintronics. Additionally, I show measurements which resolve the hyper fine spectrum of the defects in the spin wire by measuring less than 100 net spins.
Chris Hammel (Advisor)
Ezekiel Johnston-Halperin (Committee Member)
David Stroud (Committee Member)
Richard Furnstahl (Committee Member)
155 p.
Condensed Matter Physics; Low Temperature Physics; Physics
MRFM; spin; spintronics; defects; lifetime; force; detection; magnetic; resonance; microscopy; dynamics; paramagnetic;

Recommended Citations

Citations

  • Cardellino, J. D. (2015). Dynamics of Paramagnetic Spins: A Study of Spin Defects using Magnetic Resonance Force Microscopy [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1448982765

    APA Style (7th edition)

  • Cardellino, Jeremy. Dynamics of Paramagnetic Spins: A Study of Spin Defects using Magnetic Resonance Force Microscopy. 2015. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1448982765.

    MLA Style (8th edition)

  • Cardellino, Jeremy. "Dynamics of Paramagnetic Spins: A Study of Spin Defects using Magnetic Resonance Force Microscopy." Doctoral dissertation, Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1448982765

    Chicago Manual of Style (17th edition)

osu1448982765
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© 2015, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.