Spin Dependent Transport In Cobalt Nanocontacts
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Spin Dependent Transport In Cobalt Nanocontacts
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Author : George Sarau
language : en
Publisher: Forschungszentrum Jülich
Release Date : 2007
Spin Dependent Transport In Cobalt Nanocontacts written by George Sarau and has been published by Forschungszentrum Jülich this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Magnetoresistance And Transport In Carbon Nanotube Based Devices
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Author : Caitlin Morgan
language : en
Publisher: Forschungszentrum Jülich
Release Date : 2014-03-27
Magnetoresistance And Transport In Carbon Nanotube Based Devices written by Caitlin Morgan and has been published by Forschungszentrum Jülich this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-27 with categories.
Theoretical Studies Of Spin Dependent Transport Phenomena
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Author : Christoph Michel
language : en
Publisher: Cuvillier Verlag
Release Date : 2007
Theoretical Studies Of Spin Dependent Transport Phenomena written by Christoph Michel and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Electron transport categories.
Spin Dependent Tunneling Into Single Cobalt Phthalocyanine Molecules
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Author : Cristian Iacovita
language : en
Publisher:
Release Date : 2009
Spin Dependent Tunneling Into Single Cobalt Phthalocyanine Molecules written by Cristian Iacovita and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
The thesis presents an experimental study of both the electronic and the spin-polarized properties of single cobalt-phthalocyanine (CoPc) molecules, which are potentially interesting for the emerging eld of molecular spintronics. The CoPc molecules were deposited on a nonmagnetic and a magnetic surface and individually studied at low temperature using a scanning tunneling microscope. Two fundamental aspects of molecular spintronics are addressed, namely the injection of electron spins into a single molecule and the magnetic coupling of the molecule with the underlying magnetic surface. To do so, spin-polarized scanning tunneling spectroscopy is employed to locally inject spin-polarized electron across the vacuum barrier into a single CoPc molecule. Using the spin-polarized Co terminated tip and Co nanoislands of opposite magnetization as magnetic electrodes, and the CoPc molecule as an active element, spin-polarized electronic features are identied over the center of the molecule. The Co nanoislands were grown on Cu(111) and thoroughly calibrated to eliminate electronic artifacts. The stationary spin states of CoPc arise from the d-orbitals of the cobalt ion and reect two molecular spin orientations. DFT calculations establish that CoPc couples ferromagnetically with the Co nanoislands through two exchange mechanisms (direct and superexchange), illustrating the important role played by the organic ligands in the spin-dependent transport properties. Comparative experimental studies are done on non-magnetic surfaces [Au(111) and Cu(111)], where the paramagnetic CoPc becomes non-magnetic upon adsorption, as DFT calculations predict.
Electrocrystallization In Nanotechnology
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Author : Georgi T. Staikov
language : en
Publisher: John Wiley & Sons
Release Date : 2007-02-27
Electrocrystallization In Nanotechnology written by Georgi T. Staikov and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-02-27 with Technology & Engineering categories.
Here, the well-known editor in the field of electrocrystallization and his team of excellent international authors guarantee the high quality of the contributions. Clearly structured in two main parts, this book reviews the fundamentals and applications of electrocrystallization processes in nanotechnology. The first part, "Fundamentals" covers the basic concepts of electrocrystallization, computer simulations of low-dimensional metal phase formation, electrodeposition in templates and nanocavities, nanoscale electrocrystallization from ionic liquids, and superconformal electrodeposition of metals. The second part, "Preparation and properties of nanostructures", includes nanostructuring by STM tip induced localized electrocrystallization of metals, fabrication of ordered anodic nanoporous Al2O3 layers and their application, preparation of nanogaps, nanocontacts, nanowires and nanodots by selective electrochemical deposition, as well as electrodeposition of magnetic nanostructures and multilayers
Spin Dependent Transport In Co Nano Scale Tunnel Junctions
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Author : Mattias Urech
language : en
Publisher:
Release Date : 2002
Spin Dependent Transport In Co Nano Scale Tunnel Junctions written by Mattias Urech and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Spin Dependent Transport In Continuous And Discontinuous Cofeb Mgo Heterostructures
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Author : Khalid Mehmood Bhutta
language : en
Publisher:
Release Date : 2009
Spin Dependent Transport In Continuous And Discontinuous Cofeb Mgo Heterostructures written by Khalid Mehmood Bhutta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Spin Dependent Transport Properties Of Metallic And Semiconducting Nanostructures
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Author : Keshab R. Sapkota
language : en
Publisher:
Release Date : 2015
Spin Dependent Transport Properties Of Metallic And Semiconducting Nanostructures written by Keshab R. Sapkota and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Nanostructured materials categories.
Present day computing and communication devices rely on two different classes of technologies; information processing devices are based on electrical charge transport while information storage devices are based on orientation of electron spins in magnetic materials. Realization of a hybrid-type device based on charge as well as spin properties of electrons would perform both of these actions thereby enhancing computation power to many folds and reducing power consumptions. This dissertation focuses on the fabrication of such spin-devices based on metallic and semiconducting nanostructures. A simplified design of the spin-device consists of a spin injector, a semiconducting or a metallic channel, and a spin detector. The channel is the carrier of spin signal from the injector to the detector, and therefore plays a crucial role in the manipulation of spin properties in the device. In this work, nanostructures such as nanowires and nanostripes were used to function as the channel in the spin-device. Various physical and chemical methods were used to synthesize the nanostructures. Fabrication of the spin-devices from the nanostructures were carried out using two-stage electron beam lithography process. These spin-devices show large spin relaxation lengths compared to common materials such as copper and offer potential for novel future technologies. Further, nanowires of Co2FeAl and Cd1-xMnxTe were synthesized and studied their structural, magnetic and electrical transport properties to understand whether they can be used in spin-devices as spin injectors and spin detectors. In summary, the studies carried out in this thesis opens up several new material systems for future device applications.
Spin Dependent Transport In Nanoscale Structures
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Author : Kirill I. Bolotin
language : en
Publisher:
Release Date : 2007
Spin Dependent Transport In Nanoscale Structures written by Kirill I. Bolotin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
If a metallic particle is sufficiently small (
Spin Dependent Transport In Semiconductor And Semimetal Materials
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Author : Kiyoung Lee
language : en
Publisher:
Release Date : 2012
Spin Dependent Transport In Semiconductor And Semimetal Materials written by Kiyoung Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.