Theory of spin injection into conjugated organic semiconductors

P. P. Ruden, D. L. Smith

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

A model to describe electrical spin injection from a ferromagnetic contact into a conjugate organic semiconductor was presented. The model supports the picture that spin-selective tunnelling was critical for the spin polarization injection of charge carrier from a ferromagnetic metal into a semiconductor. It was found that spin density shows strong variation and reversal in sign near the extracting contact. It was also observed that the voltage drop developed across the device for a charge current was different for the case of parallel and antiparallel of the contacts.

Original languageEnglish (US)
Pages (from-to)4898-4904
Number of pages7
JournalJournal of Applied Physics
Volume95
Issue number9
DOIs
StatePublished - May 1 2004

Bibliographical note

Copyright:
Copyright 2012 Elsevier B.V., All rights reserved.

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