The Library
Controlling magnetoresistance by oxygen impurities in Mq3-based molecular spin valves
Tools
Tools
Tools
Riminucci, Alberto , Yu, Zhi-Gang, Prezioso, Mirko, Cecchini, Raimondo, Bergenti, Ilaria, Graziosi, Patrizio and Dediu, Valentin Alek (2019) Controlling magnetoresistance by oxygen impurities in Mq3-based molecular spin valves. ACS Applied Materials & Interfaces, 11 (8). pp. 8319-8326. doi:10.1021/acsami.8b20423 ISSN 1944-8244.
|
PDF
WRAP-controlling-magnetoresistance-oxygen-spin-valves-Graziosi-2019.pdf - Accepted Version - Requires a PDF viewer. Download (1724Kb) | Preview |
Official URL: https://doi.org/10.1021/acsami.8b20423
Abstract
The understanding of magnetoresistance (MR) in organic spin valves (OSVs) based on molecular semiconductors is still incomplete after its demonstration more than a decade ago. While carrier concentration may play an essential role in spin transport in these devices, direct experimental evidence of its importance is lacking. We probed the role of charge carrier concentration by studying the interplay between MR and multilevel resistive switching in OSVs. The present work demonstrates that all salient features of these devices, particularly the intimate correlation between MR and resistance, can be accounted for by the impurity band model, based on oxygen migration. Finally, we highlight the critical importance of carrier concentration in determining spin transport and MR in OSVs and the role of interface-mediated oxygen migration in controlling the OSVs response.
| Item Type: | Journal Article | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
| Library of Congress Subject Headings (LCSH): | Semiconductors, Magnetoresistance | |||||||||
| Journal or Publication Title: | ACS Applied Materials & Interfaces | |||||||||
| Publisher: | American Chemical Society | |||||||||
| ISSN: | 1944-8244 | |||||||||
| Official Date: | 27 February 2019 | |||||||||
| Dates: |
|
|||||||||
| Volume: | 11 | |||||||||
| Number: | 8 | |||||||||
| Page Range: | pp. 8319-8326 | |||||||||
| DOI: | 10.1021/acsami.8b20423 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Reuse Statement (publisher, data, author rights): | “This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].” | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| Date of first compliant deposit: | 6 March 2019 | |||||||||
| Date of first compliant Open Access: | 5 February 2020 | |||||||||
| RIOXX Funder/Project Grant: |
|
Request changes or add full text files to a record
Repository staff actions (login required)
 |
View Item |
Downloads
Downloads per month over past year
