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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

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Showing 1 to 20 of 56 for “"Spin Transport"”.

  1. Spin Transport in Organic Semiconductors

    Wang, Shu-JenUniversity of Cambridge2018

    … potential for use in solid state devices for spintronics and spin-based information processing. Organic semiconductors composed of mainly light elements appeal to the field of spintronics due to their long spin lifetime originating from their weak spin-orbit coupling. The significant progress …

    cambridge Repository record

  2. Spin transport in few-layer graphene

    Yan, WenjingUniversity of Cambridge2015

    Graphene spintronics refers to spin injection, spin transport and spin detection, using magnetic electrodes and single/multilayer graphene. Although it has been very actively researched since 2006, there is still disagreement regarding the spin diffusion length (lsf). This is partially because …

    cambridge Repository record

  3. Quantum spin transport in paramagnetic systems

    Greenbaum, DanielMassachusetts Institute of Technology2005

    We have studied the transport of magnetization and energy in systems of spins 1/2 on a lattice at high temperature. This work was motivated by recent experiments which observed "spin diffusion" among the dipolar coupled nuclear spins of the insulator calcium fluoride, under conditions where it was …

    mit Repository record

  4. Charge and spin transport through magnetic molecules

    Misiorny, Maciej2010

    amu-pl

  5. Spin transport through nanopillar superconducting spin valves

    Stoddart-Stones, BenUniversity of Cambridge2021

    … into the interaction of non-equilibrium spin currents with superconductivity using spin valves, where the difference in resistance between the antiparallel (AP) and parallel (P) alignments of the magnetic layers within the device [magnetoresistance, ∆R = RAP − RP ] has been used to …

    cambridge Repository record

  6. semiconducting carbon nanotube transistors: electron and spin transport properties

    Chen, Yung-Fu2006

    … at room temperature, and possibly very long spin-scattering lengths. This thesis will describe experiments to probe the charge-and spin-transport properties of long, clean individual SWNTs prepared by chemical vapor deposition and contacted by metal electrodes. A SWNT field-effect transistor …

    maryland Repository record

  7. Heat, Charge and Spin Transport of Thin Film Nanostructures

    Wesenberg, Devin John2018

    <p>Understanding of fundamental physics of transport properties in thin film nanostructures is crucial for application in spintronic, spin caloritronics and thermoelectric applications. Much of the difficulty in the understanding stems from the measurement itself. In this dissertation I present our …

    denver Repository record

  8. Magnetism and spin transport studies on indium tin oxide

    Hakimi, Ali Moraad HeydarUniversity of Cambridge2011

    … Indium Oxide based materials in next generation spin-transport electronic applications. Initial studies focused on the optimisation of the electrical properties of Indium Oxide (In2O3) and Tin(Sn)-doped Indium Oxide (ITO) thin films grown using DC magnetron sputtering. The manipulation of various …

    cambridge Repository record

  9. Nanoscale electron, phonon and spin transport in thermoelectric materials

    Liao, Bolin, Ph. D. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2016

    … the past decade to decouple the charge and heat transport and thus improve the material performance. Most of the progress has been based on a more detailed understanding of the transport and interaction of fundamental energy carriers, such as electrons and phonons in most semiconductors, and …

    mit Repository record

  10. Charge and spin transport in nanoscale junction from first principles

    Mandal, Subhasish

    mtu Repository record

  11. CHARGE AND SPIN TRANSPORT STUDIES IN GRAPHENE AND BLACK PHOSPHORUS

    GAVIN KOON KOK WAI2015

    Transport studies in graphene and black phosphorus two-dimensional systems will be explored in this thesis. Specifically, I studied the spin transport and spin characteristics of graphene subjected to an enhancement of its otherwise low intrinsic spin-orbit coupling. Taking advantage of its …

    nus Repository record

  12. Theory and simulation of magnetism and spin transport in semiconductors

    AGRAWAL SAURABH2006

    <P>A THEORETICAL MODEL OF SPIN-TRANSPORT IN FERROMAGNET-SEMICONDUCTOR HYBRID STRUCTURES WHICH TAKES INTO ACCOUNT THE EFFECTS OF INTERFACE RESISTANCE HAS BEEN PRESENTED. SPIN-INJECTION EFFICIENCY AND MAGNETORESISTANCE WHICH ARE THE KEY PARAMETERS IN ANY SPINTRONICS DEVICE ARE STUDIED IN DETAIL. IT …

    nus Repository record

  13. Landauer's theory of charge and spin transport in magnetic multilayers

    Human, TrevorCity University London2014

    … Keldysh formalism has been used to study the spin transport effects found in magnetic multi-layered nanostructures. We formulate a new methodology based on Landauer and show it to be in very good qualitative agreement with Keldysh. However, our theory provides more information regarding the …

    city-london Repository record

  14. Taking Steps Towards Superfluid-like Spin Transport in Metallic Ferromagnets

    Smith, David AcoyaVirginia Tech2022

    Conventional electronics rely on the transport of electrons through a circuit to carry information. This comes with ever-present Joule heating as a result of the resistive scattering of electrons. Recent works in the field of spintronics have focused on using magnetic excitations (e.g., spin waves) …

    vt Repository record

  15. Experiments with synthetic spin-orbit coupling and spin transport in Bose Einstein Condensates

    Niffenegger, Robert John

    … thesis I will describe my experiments to study spin transport of spin Bose Einstein Condensates (BECs) with synthetic spin-orbit coupling. First I will describe procedures used to reproduce previous experiments with synthetic gauge fields in Bose-Einstein Condensates, from constant vector …

    purdue-thes Repository record

  16. Thermal, Electrical, and Spin Transport: Encompassing Low-Damping Ferromagnets and Antiferromagnetic/Ferromagnetic Heterostructures

    Natale, Matthew Ryan

    … difficulties, the fields of thermoelectrics, spintronics, and spincaloritronics emerge as contemporary solutions, each presenting unique advantages. Thermoelectric devices, based on the Seebeck effect, other a passive, carbon-free energy generating solution from waste heat. Although current …

    denver Repository record

  17. The nature of band gaps in ionic compounds and band structure aspects of spin transport

    Boer, P.K. de[S.l. : s.n.]1999

    Contains fulltext : 145590.pdf (Publisher’s version ) (Open Access)

    radboud Repository record

  18. Tuning Spin Currents with Ultrathin Heavy Metal Microstructure

    Brennan, Spencer JohnUniversity of Cambridge2019

    All-metallic spintronic heterostructures have the ability to generate pure spin currents at low resistance-area products via spin-orbit coupling. Heavy metal/ferromagnet (HM/NM) bilayers are often used in this context to extract key spin-dependent parameters such as the spin Hall angle, 𝜃, and spin …

    cambridge Repository record

  19. The Interplay of Spin, Charge, and Heat: From Metal/Insulator Heterostructures to Perovskite Bilayers

    Bleser, Sam M.

    … begin with an investigation of non-local spin transport in an amorphous germanium (a-Ge) sample via the inverse spin Hall effect (ISHE). In that study we show that commonly used techniques such as differential conductance and delta mode of a paired Keithley 6221/2182a for non-local …

    denver Repository record

  20. Strongly interacting Fermi gases : non-equilibrium dynamics and dimensional crossover

    Sommer, Ariel T. (Ariel Tjodolv)Massachusetts Institute of Technology2013

    … processes in two-component gases is the transport of spin due to relative motion between the two spin components. We generate spin transport in strongly-interacting Fermi gases using a spin dipole excitation and measure the transport coefficients describing spin drag and spin diffusion. …

    mit Repository record

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