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# Site selective adsorption of the spin crossover complex Fe(phen)2(NCS)2 on Au(111)

## Title data

Beniwal, Sumit ; Sarkar, Suchetana ; Baier, Felix ; Weber, Birgit ; Dowben, Peter ; Enders, Axel:
Site selective adsorption of the spin crossover complex Fe(phen)2(NCS)2 on Au(111).
In: Journal of Physics: Condensed Matter. Vol. 32 (2020) Issue 32 . - No. 324003.
ISSN 1361-648X
DOI: https://doi.org/10.1088/1361-648X/ab808d

## Abstract in another language

The iron(II) spin crossover complex Fe(1,1phenanthroline)2(NCS)2, dubbed Fe-phen, has been studied with scanning tunneling microscopy, after adsorption on the 'herringbone' reconstructed surface of Au(111) for sub-monolayer coverages. The Fe-phen molecules attach, through their NCS-groups, to the Au atoms of the fcc domains of the reconstructed surface only, thereby lifting the herringbone reconstruction. The molecules stack to form 1D chains, which run along the Au[110] directions. Neighboring Fe-phen molecules are separated by approximately 2.65 nm, corresponding to 9 atomic spacings in this direction. The molecular axis, defined by the two phenanthroline groups, is aligned perpendicular to the chain axis, along the Au $\left[22\overline{1}\right]$ direction, thereby bridging over 5 atomic spacings, in this direction. Experimental evidence suggests that the molecular spins are locked in a mixed state in the sub-monolayer regime at temperatures between 100 K and 300 K.

## Further data

Item Type: Article in a journal Yes Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics XI - Functional NanostructuresFaculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics XI - Functional Nanostructures > Chair Experimental Physics XI - Functional Nanostructures - Univ.-Prof. Dr. Axel EndersFaculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IVFaculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV > Chair Inorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber Yes 500 Science > 530 Physics500 Science > 540 Chemistry 14 Jul 2020 05:54 14 Jul 2020 05:54 https://eref.uni-bayreuth.de/id/eprint/55597