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Hinton MJ Thesis.pdf (17.02 MB)
ETD Abstract Container
Abstract Header
Superfluidity in Ultrathin Cuprates and Niobium/Ferromagnetic Heterostructures
Author Info
Hinton, Michael J
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1420673882
Abstract Details
Year and Degree
2015, Doctor of Philosophy, Ohio State University, Physics.
Abstract
The thrust of this dissertation involves superconductivity, or the lack of any resistance in an electric current, which has been of great interest since its discovery in 1911. Contemporary research has turned to ever more complex systems and has found fascinating interactions and new sources of the phenomenon. Our contribution comes from superfluid density, λ
-2
(0), measurements of Superconducting/Ferromagnetic (S/F) thin film bilayers and trilayers, as well as the high temperature superconducting ceramic cuprate Bi
2
Sr
2
CaCu
2
O
8+δ
(BSCCO or Bi-2212) films we grow by Pulsed Laser Deposition (PLD). Superconductivity and ferromagnetism are opposing phenomena, resulting in complex interaction. We find the ferromagnet in S/F bilayers has a surprisingly small exchange energy, E
ex
, and large interface resistance, R
b
. This contradicts conventional understanding of these systems, but our study of the theory shows that it is entirely consistent.
Committee
Thomas Lemberger (Advisor)
Louis DiMauro (Committee Member)
Fengyuan Yang (Committee Member)
David Stroud (Committee Member)
Pages
97 p.
Subject Headings
Condensed Matter Physics
;
Experiments
;
Physics
Keywords
Superconductivity, Cuprates, Thin films, BSCCO, Proximity Effect
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Citations
Hinton, M. J. (2015).
Superfluidity in Ultrathin Cuprates and Niobium/Ferromagnetic Heterostructures
[Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1420673882
APA Style (7th edition)
Hinton, Michael.
Superfluidity in Ultrathin Cuprates and Niobium/Ferromagnetic Heterostructures.
2015. Ohio State University, Doctoral dissertation.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1420673882.
MLA Style (8th edition)
Hinton, Michael. "Superfluidity in Ultrathin Cuprates and Niobium/Ferromagnetic Heterostructures." Doctoral dissertation, Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1420673882
Chicago Manual of Style (17th edition)
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Document number:
osu1420673882
Download Count:
385
Copyright Info
© 2015, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.