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Ab-initio simulation of spintronic devicesWaldron, Derek. January 1900 (has links)
Thesis (Ph.D.). / Written for the Dept. of Physics. Title from title page of PDF (viewed 2008/01/11). Includes bibliographical references.
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Investigations of nanoscale variations in spin and charge transport in manganites and organic semiconductors using spin polarized scanning tunneling spectroscopyHughes, Cameron Richard. Yeh, Nai-Chang. Yeh, Nai-Chang, January 1900 (has links)
Thesis (Ph. D.) -- California Institute of Technology, 2010. / Title from home page (viewed 03/22/2010). Advisor and committee chair names found in the thesis' metadata record in the digital repository. Includes bibliographical references.
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Annealing-dependent phenomena in Ga₁[-x]Mn[x]AsKirby, Brian J., January 2004 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2004. / Bracketed information should be subscripted. The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (June 29, 2006) Vita. Includes bibliographical references.
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Exchange bias training effect in magnetically coupled bilayersPolisetty, Srinivas. January 2009 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2009. / Title from title screen (site viewed February 25, 2010). PDF text: ix, 227 p. : ill. (chiefly col.) ; 12 Mb. UMI publication number: AAT 3379026. Includes bibliographical references. Also available in microfilm and microfiche formats.
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Spintronic devices with highly spin-polarised manganite electrodes and graphene channelsPhillips, Lee Charles January 2012 (has links)
No description available.
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Towards the development of organic magnetoconducting materials: structural, magnetic and conducting properties of diaryl-1,2,4-benzotriazinyl radicals and polyradicalsYan, Bin 31 May 2011 (has links)
Considerable interest exists in the development of purely organic magneto-conducting materials for spintronics. Towards this end, an investigation of the effect of electronic structure, magnetic exchange, and electrical conductivity on the properties of open-shell delocalized organic conjugated polymers was carried out. The design, synthesis and properties of radical-based multifunctional magnetic materials have been developed in which (i) a series of functionalized benzotriazinyl radicals have been synthesized and characterized, (ii) a series of benzotriazinyl alternating copolymers with vinyl and heteroaromatic bridges have been prepared and characterized, and (iii) the magnetic properties of the resulting polymers have been investigated as a function of doping state in order to probe relationships between magnetic and electrical properties of these
systems. New synthetic methodology -has been developed which allows the syntheses of 1,3-diphenyl-l,2,4-benzotriazinyl (DPBT) radicals and derivatives under mild reaction conditions. The condensation of arylamines with chlorohydrazones followed by reductive or oxidative ring closure allows generation of the desired radicals. The series of DPBT radicals prepared were found to be thermally and chemically stable in both the solid and
solution states. The radicals were spectroscopically characterized by mass spectrometry, EPR, electrochemistry, UV-Vis, electronic absorption spectroscopy, X-ray crystallography, and magnetometry. Single crystal X-ray diffraction studies indicate that these radicals exhibit [pi]-stacking interactions in the solid state which lead to unusually strong anti ferro- or ferromagnetic exchange interactions. Cyclic voltammetry
experiments reveal that these radicals exhibit unusually low oxidation potentials, leading to an important class of spin-polarized donors for multifunctional magnetic materials. A new class of DPBT containing alternating copolymers with varying connectivity, bridge structure, and redox activity has been prepared by metal-catalyzed cross coupling. All of the polymers were spectroscopically characterized by EPR, cyclic voltammetry.
electronic absorption spectroscopy, and magnetometry. The relationship between magnetic exchange and electrical conductivity was studied as a function of redox state (chemical doping). Preliminary results suggest that there is a correlation between magnetic property and electrical conductivity. As a result, a purely organic ferromagnetic semiconductor critical for investigations in organic spintronic materials was designed and
synthesized. Lastly, a new triazinyl donor-acceptor dyad was designed and synthesized. Spectroscopic investigation of electronic and magnetic properties reveal that this radical exhibits an intramolecular - charge-transfer band and strong intermolecular antiferromagnetic interactions. / Graduate
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Vertical transport silicon spintronic devicesHuang, Biqin. January 2008 (has links)
Thesis (Ph.D.)--University of Delaware, 2007. / Principal faculty advisor: Ian Appelbaum, Dept. of Electrical and Computer Engineering. Includes bibliographical references.
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Manipulation of Magnetization Dynamics in Ferromagnetic and Antiferromagnetic HeterostructuresCheng, Yang January 2021 (has links)
No description available.
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Spintronics in ferromagnets and antiferromagnets from first principlesHaney, Paul Michael, 1976- 12 June 2012 (has links)
Not available / text
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Charge and spin conductance fluctuation and distribution in electronictransportRen, Wei, 任偉 January 2006 (has links)
published_or_final_version / abstract / Physics / Doctoral / Doctor of Philosophy
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