Switching behaviour of individual Ag-TCNQ nanowires: an in situ transmission electron microscopy study

Journal article


Publication Details

Author(s): Ran K, Rösner B, Butz B, Fink R, Spiecker E
Journal: Nanotechnology
Publisher: Institute of Physics: Hybrid Open Access
Publication year: 2016
Volume: 27
Journal issue: 42
ISSN: 0957-4484


Abstract


The organic semiconductor silver-tetracyanoquinodimethane (Ag-TCNQ) exhibits electrical switching and memory characteristics. Employing a scanning tunnelling microscopy setup inside a transmission electron microscope, the switching behaviour of individual Ag-TCNQ nanowires (NWs) is investigated in detail. For a large number of NWs, the switching between a high (OFF) and a low (ON) resistance state was successfully stimulated by negative bias sweeps. Fitting the experimental I-V curves with a Schottky emission function makes the switching features prominent and thus enables a direct evaluation of the switching process. A memory cycle including writing, reading and erasing features is demonstrated at an individual NW. Moreover, electronic failure mechanisms due to Joule heating are discussed. These findings have a significant impact on our understanding of the switching behaviour of Ag-TCNQ.



FAU Authors / FAU Editors

Butz, Benjamin Dr.
Lehrstuhl für Werkstoffwissenschaften (Mikro- und Nanostrukturforschung)
Sonderforschungsbereich 953/2 Synthetische Kohlenstoffallotrope
Fink, Rainer Prof. Dr.
Rösner, Benedikt
Professur für Physikalische Chemie
Lehrstuhl für Physikalische Chemie II
Ran, Ke
Spiecker, Erdmann Prof. Dr.
Lehrstuhl für Werkstoffwissenschaften (Mikro- und Nanostrukturforschung)


Additional Organisation
Graduiertenkolleg 1896/2 In situ Mikroskopie mit Elektronen, Röntgenstrahlen und Rastersonden
Lehrstuhl für Werkstoffwissenschaften (Mikro- und Nanostrukturforschung)
Interdisziplinäres Zentrum, Center for Nanoanalysis and Electron Microscopy (CENEM)
Exzellenz-Cluster Engineering of Advanced Materials


Research Fields

B Nanoelectronic Materials
Exzellenz-Cluster Engineering of Advanced Materials
A2 Nanoanalysis and Microscopy
Exzellenz-Cluster Engineering of Advanced Materials


How to cite

APA:
Ran, K., Rösner, B., Butz, B., Fink, R., & Spiecker, E. (2016). Switching behaviour of individual Ag-TCNQ nanowires: an in situ transmission electron microscopy study. Nanotechnology, 27(42). https://dx.doi.org/10.1088/0957-4484/27/42/425703

MLA:
Ran, Ke, et al. "Switching behaviour of individual Ag-TCNQ nanowires: an in situ transmission electron microscopy study." Nanotechnology 27.42 (2016).

BibTeX: 

Last updated on 2019-29-05 at 09:19