Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session F12: Devices from 2D Materials -- Transport
11:15 AM–2:15 PM,
Tuesday, March 5, 2019
BCEC
Room: 153A
Sponsoring
Unit:
DMP
Chair: Fengnian Xia, Yale Univ
Abstract: F12.00013 : Charge Transport in Graphene-based multi-molecules junctions
2:03 PM–2:15 PM
Presenter:
Michel Calame
(EMPA)
Authors:
Maria El Abbassi
(EMPA)
Sara Sangtarash
(Lancaster University)
Xunshan Liu
(University of Bern)
Mickael Perrin
(EMPA)
Hatef Sadeghi
(Lancaster University)
Herre S.J. van der Zant
(Delft University of Technology)
Shlomo Ytzchaik
(The Hebrew University of Jerusalem)
Shi-Xia Liu
(University of Bern)
Silvio Decurtins
(University of Bern)
Colin Lambert
(Lancaster University)
Michel Calame
(EMPA)
We report here on the realization of mechanically and electronically robust graphene-based multi-molecule junctions [4]. The mechanical stability is achieved by anchoring molecules directly to the substrate using silanization, rather than to graphene electrodes. The electronic stability is due to a large overlap between the electronic π-systems of neighboring head groups. The nature of the stacking leads to junctions less sensitive to the electrode properties. The junctions are reproducible throughout several devices and operate up to room temperature.
[1] M. El Abbassi et al. Nanoscale 9, 17312 (2017)
[2] V.M. García-Suarez,et al., Nanoscale 10, 18169 (2018)
[3] L. Posa et al., Nano letters 17, 6783 (2017)
[4] M. El Abbassi et al., to be submitted
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