Journal ArticleDOI
Spin routes in organic semiconductors
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TLDR
The main experimental results and their connections with devices such as light-emitting diodes and electronic memory devices are summarized, and the scientific and technological issues that make organic spintronics a young but exciting field are outlined.Abstract:
Organic semiconductors are characterized by a very low spin–orbit interaction, which, together with their chemical flexibility and relatively low production costs, makes them an ideal materials system for spintronics applications. The first experiments on spin injection and transport occurred only a few years ago, and since then considerable progress has been made in improving performance as well as in understanding the mechanisms affecting spin-related phenomena. Nevertheless, several challenges remain in both device performance and fundamental understanding before organic semiconductors can compete with inorganic semiconductors or metals in the development of realistic spintronics applications. In this article we summarize the main experimental results and their connections with devices such as light-emitting diodes and electronic memory devices, and we outline the scientific and technological issues that make organic spintronics a young but exciting field.read more
Citations
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Journal ArticleDOI
Singlet-to-triplet interconversion using hyperfine as well as ferromagnetic fringe fields
Markus Wohlgenannt,Michael E. Flatté,Nicholas J. Harmon,Fujian Wang,Andrew D. Kent,Ferran Macià +5 more
TL;DR: It is shown that spatially rapidly varying local magnetic fields that may be present in the organic layer dramatically affect electronic transport properties and electroluminescence efficiency, and a model based on fringe-field-induced polaron-pair spin-dynamics that successfully describes several key features of the experimental fringe- field magnetoresistance and magnetoelectrolominescence is reviewed.
Journal ArticleDOI
Molecular spinterface in F<sub>4</sub>TCNQ-doped polymer spin valves
TL;DR: In this paper , an anionic radical through the charge transfer process of hybridization on the spinterface was found in a doped P3HT spin valve, which may effectively enhance the device performance.
Journal ArticleDOI
Anomalous migration of polarons in disordered organic semiconductors and its manifestation in magnetic-field effects
A. I. Shushin,V. P. Sakun +1 more
TL;DR: In this article, it was shown that anomalous (dispersive) migration, which is described in the CTRW model by a heavy-tailed hop waiting time distribution ψ(t)∼t -(1+α), clearly manifests itself in the magnetic field dependence of the PP-recombination yield and, hence, the conductivity.
Journal ArticleDOI
Super-Resolution Photothermal Patterning in Conductive Polymers Enabled by Thermally Activated Solubility
Ian E. Jacobs,Ian E. Jacobs,Zaira I. Bedolla-Valdez,Brandon T. Rotondo,David J. Bilsky,Ryan Lewis,Alejandra N. Ayala Oviedo,Goktug Gonel,John Armitage,Jun Li,Adam J. Moulé +10 more
TL;DR: In this article, the authors use diffraction to spatially modulate the light intensity and determine the dissolution rate, revealing a superlinear dependence on light intensity, which is not dominated by an optical dedoping reaction, as was previously proposed.
References
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Journal ArticleDOI
Organic Electroluminescent Diodes
Ching Wan Tang,Steven A Vanslyke +1 more
TL;DR: In this article, a double-layer structure of organic thin films was prepared by vapor deposition, and efficient injection of holes and electrons was provided from an indium-tinoxide anode and an alloyed Mg:Ag cathode.
Journal ArticleDOI
Spintronics: Fundamentals and applications
TL;DR: Spintronics, or spin electronics, involves the study of active control and manipulation of spin degrees of freedom in solid-state systems as discussed by the authors, where the primary focus is on the basic physical principles underlying the generation of carrier spin polarization, spin dynamics, and spin-polarized transport.
Journal ArticleDOI
Giant magnetoresistance of (001)Fe/(001)Cr magnetic superlattices.
Mario Norberto Baibich,J. M. Broto,Albert Fert,F. Nguyen Van Dau,Frédéric Petroff,P. Etienne,G. Creuzet,A. Friederich,Jean Chazelas +8 more
TL;DR: This work ascribes this giant magnetoresistance of (001)Fe/(001)Cr superlattices prepared by molecularbeam epitaxy to spin-dependent transmission of the conduction electrons between Fe layers through Cr layers.
Journal ArticleDOI
Electroluminescence in conjugated polymers
Richard H. Friend,R. W. Gymer,A.B. Holmes,J. H. Burroughes,R.N. Marks,Carlo Taliani,Donal D. C. Bradley,D.A. dos Santos,Jean-Luc Brédas,Michael Lögdlund,William R. Salaneck +10 more
TL;DR: Research in the use of organic polymers as active semiconductors in light-emitting diodes has advanced rapidly, and prototype devices now meet realistic specifications for applications.
Journal ArticleDOI
Enhanced magnetoresistance in layered magnetic structures with antiferromagnetic interlayer exchange
TL;DR: The electrical resistivity of Fe-Cr-Fe layers with antiferromagnetic interlayer exchange increases when the magnetizations of the Fe layers are aligned antiparallel, much stronger than the usual anisotropic magnetoresistance.