Jasper-Toennies, Torben and Gruber, Manuel and Karan, Sujoy and Jacob, Hanne and Tuczek, Felix and Berndt, Richard (2017) Robust and Selective Switching of an Fe-III Spin-Crossover Compound on Cu2N/Cu(100) with Memristance Behavior. NANO LETTERS, 17 (11). pp. 6613-6619. ISSN 1530-6984, 1530-6992
Full text not available from this repository. (Request a copy)Abstract
The switching between two spin states makes spin-crossover molecules on surfaces very attractive for potential applications in molecular spintronics. Using scanning tunneling microscopy, the successful deposition of [Fe(pap)(2)](+) (pap = N-2-pyridylmethylidene-2-hydroxyphenylaminato) molecules on Cu2N/Cu(100) surface is evidenced. The deposited Fe-III spin-crossover compound is controllably switched between three different states, each of them exhibiting a characteristic tunneling conductance. The conductance is therefore employed to readily read the state of the molecules. A comparison of the experimental data with the results of density functional theory calculations reveals that all Fe(pap)(2) molecules are initially in their high-spin state. The two other states are compatible with the low-spin state of the molecule but differ with respect to their coupling to the substrate. As a proof of concept, the reversible and selective nature of the switching is used to build a two-molecule memory.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ROOM-TEMPERATURE; ORGANIC SEMICONDUCTORS; ROTATIONAL MOTION; SINGLE MOLECULES; TIME-DEPENDENCE; DIRECT-CONTACT; SOLID-SURFACE; EXCHANGE; STATE; COMPLEXES; Spin crossover; switching; memristance; scanning tunneling microscopy |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Jascha Repp |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Dec 2018 13:19 |
| Last Modified: | 20 Feb 2019 08:22 |
| URI: | https://pred.uni-regensburg.de/id/eprint/1884 |
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