Current crowding issues on nanoscale planar organic transistors for spintronic applications
| Accès libre Peer reviewed | |
|---|---|
| Version acceptée pour publication (post-print auteur) | |
| Paternité - Pas d'utilisation commerciale [CC] [BY] [NC] | |
| Auteurs |
Tindara Verduci Guillaume Chaumy Jean-françois Dayen Nicolas Leclerc Eloïse Devaux Marc-Antoine Stoeckel Emanuele Orgiu Paolo Samorì Bernard Doudin |
| Unité de recherche du site |
Institut de Physique et Chimie des Matériaux de Strasbourg - IPCMS - UMR7504 Institut de chimie et procédés pour l'énergie l'environnement et la santé - ICPEES - UMR7515 Institut de Science et d'Ingénierie Supramoléculaires - ISIS - UMR7006 |
| Langue |
en |
| Volume |
29 |
| Numéro |
36 |
| Page de début |
365201 |
| Date de première publication |
2018-06-29 |
| Date de parution |
2018-09 |
| ISSN |
0957-4484 |
| Titre de la source (revue, livre…) |
Nanotechnology |
| Résumé |
The predominance of interface resistance makes current crowding ubiquitous in short channel organic electronics devices but its impact on spin transport has never been considered. We investigate electrochemically doped nanoscale PBTTT short channel Show moreThe predominance of interface resistance makes current crowding ubiquitous in short channel organic electronics devices but its impact on spin transport has never been considered. We investigate electrochemically doped nanoscale PBTTT short channel devices and observe the smallest reported values of crowding lengths, found for sub-100 nm electrodes separation. These observed values are nevertheless exceeding the spin diffusion lengths reported in the literature. We discuss here how current crowding can be taken into account in the framework of the Fert–Jaffrès model of spin current propagation in heterostructures, and predict that the anticipated resulting values of magnetoresistance can be significantly reduced. Current crowding therefore impacts spin transport applications and interpretation of the results on spin valve devices. Show less |
| DOI | 10.1088/1361-6528/aacc22 |
| Éditeur |
IOP Publishing |
| URL éditeur |
http://iopscience.iop.org/article/10.1088/1361-6528/aacc22/meta |
| Titre abrégé de la source |
Nanotechnology |
| Type de publication |
ACL |
| Projet(s) de recherche ANR |
Agence Nationale de la Recherche (MULTISELF 11-BS08-06, Labex NIE 11-LABX-0058_NIE within the Investissement d’Avenir program ANR-10-IDEX- 0002-02) |
| Topic |
Chimie/Matériaux |
| Mots-clés |
current crowding |
| PMID | 29894980 |
| Équipes de recherche |
E3 - DMONS : Département magnétisme des objets nanostructurés |
| Fonction |
aut |
| Identifiant ORCID |
0000-0001-6256-8281 0000-0002-0657-4780 |
| Identifiant idREF |
089078144 19105190X 149238614 |
| Audience |
International |
| URL | https://univoak.eu/islandora/object/islandora:71170 |