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Showing 1 to 12 of 21 entries
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Remotely Controlled Isomer Selective Molecular Switching.

Nano letters

Schendel V, Borca B, Pentegov I, Michnowicz T, Kraft U, Klauk H, Wahl P, Schlickum U, Kern K.
PMID: 26619213
Nano Lett. 2016 Jan 13;16(1):93-7. doi: 10.1021/acs.nanolett.5b02974. Epub 2015 Dec 04.

Nonlocal addressing-the "remote control"-of molecular switches promises more efficient processing for information technology, where fast speed of switching is essential. The surface state of the (111) facets of noble metals, a confined two-dimensional electron gas, provides a medium that...

Molecular orbital gates for plasmon excitation.

Nano letters

Lutz T, Grosse C, Dette C, Kabakchiev A, Schramm F, Ruben M, Gutzler R, Kuhnke K, Schlickum U, Kern K.
PMID: 23688309
Nano Lett. 2013 Jun 12;13(6):2846-50. doi: 10.1021/nl401177b. Epub 2013 May 28.

Future combinations of plasmonics with nanometer-sized electronic circuits require strategies to control the electrical excitation of plasmons at the length scale of individual molecules. A unique tool to study the electrical plasmon excitation with ultimate resolution is scanning tunneling...

Adsorption and electronic properties of pentacene on thin dielectric decoupling layers.

Beilstein journal of nanotechnology

Koslowski S, Rosenblatt D, Kabakchiev A, Kuhnke K, Kern K, Schlickum U.
PMID: 28900594
Beilstein J Nanotechnol. 2017 Jul 06;8:1388-1395. doi: 10.3762/bjnano.8.140. eCollection 2017.

With the increasing use of thin dielectric decoupling layers to study the electronic properties of organic molecules on metal surfaces, comparative studies are needed in order to generalize findings and formulate practical rules. In this paper we study the...

Mapping the surface spin structure of large unit cells: reconstructed mn films on Fe(001).

Physical review letters

Gao CL, Schlickum U, Wulfhekel W, Kirschner J.
PMID: 17358562
Phys Rev Lett. 2007 Mar 09;98(10):107203. doi: 10.1103/PhysRevLett.98.107203. Epub 2007 Mar 09.

Using spin-polarized scanning tunneling microscopy with ring electrodes, the in-plane spin polarization of Mn on Fe(001) was measured. A large (square root 10 x 2 square root 10)R18.4 degrees reconstruction with a noncollinear spin structure was found. By combining...

Does the surface matter? Hydrogen-bonded chain formation of an oxalic amide derivative in a two- and three-dimensional environment.

Chemphyschem : a European journal of chemical physics and physical chemistry

Klappenberger F, Cañas-Ventura ME, Clair S, Pons S, Schlickum U, Qu ZR, Strunskus T, Comisso A, Wöll C, Brune H, Kern K, De Vita A, Ruben M, Barth JV.
PMID: 18991309
Chemphyschem. 2008 Dec 01;9(17):2522-30. doi: 10.1002/cphc.200800590.

We report on a multi-technique investigation of the supramolecular organisation of N,N-diphenyl oxalic amide under differently dimensioned environments, namely three-dimensional (3D) in the bulk crystal, and in two dimensions on the Ag(111) surface as well as on the reconstructed...

Surface-assisted assembly of 2D metal-organic networks that exhibit unusual threefold coordination symmetry.

Angewandte Chemie (International ed. in English)

Stepanow S, Lin N, Payer D, Schlickum U, Klappenberger F, Zoppellaro G, Ruben M, Brune H, Barth JV, Kern K.
PMID: 17154209
Angew Chem Int Ed Engl. 2007;46(5):710-3. doi: 10.1002/anie.200603644.

No abstract available.

High-quality 2D metal-organic coordination network providing giant cavities within mesoscale domains.

Journal of the American Chemical Society

Kühne D, Klappenberger F, Decker R, Schlickum U, Brune H, Klyatskaya S, Ruben M, Barth JV.
PMID: 19256496
J Am Chem Soc. 2009 Mar 25;131(11):3881-3. doi: 10.1021/ja809946z.

A surface-supported open metal-organic nanomesh featuring a 24 nm(2) cavity size and extending to mum domains was fabricated by Co-directed assembly of para-hexaphenyl-dicarbonitrile linker molecules in two dimensions. The metallosupramolecular lattice is thermally robust and resides fully commensurate on...

Temperature and magnetic field dependence of a Kondo system in the weak coupling regime.

Nature communications

Zhang YH, Kahle S, Herden T, Stroh C, Mayor M, Schlickum U, Ternes M, Wahl P, Kern K.
PMID: 23817525
Nat Commun. 2013;4:2110. doi: 10.1038/ncomms3110.

The Kondo effect arises due to the interaction between a localized spin and the electrons of a surrounding host. Studies of individual magnetic impurities by scanning tunneling spectroscopy have renewed interest in Kondo physics; however, a quantitative comparison with...

Formation of fe cluster superlattice in a metal-organic quantum-box network.

Physical review letters

Pivetta M, Pacchioni GE, Schlickum U, Barth JV, Brune H.
PMID: 23473168
Phys Rev Lett. 2013 Feb 22;110(8):086102. doi: 10.1103/PhysRevLett.110.086102. Epub 2013 Feb 19.

We report on the self-assembly of Fe adatoms on a Cu(111) surface that is patterned by a metal-organic honeycomb network, formed by coordination of dicarbonitrile pentaphenyl molecules with Cu adatoms. Fe atoms landing on the metal surface are mobile...

Restoring the Co magnetic moments at interfacial Co-porphyrin arrays by site-selective uptake of iron.

ACS nano

Vijayaraghavan S, Auwärter W, Ecija D, Seufert K, Rusponi S, Houwaart T, Sautet P, Bocquet ML, Thakur P, Stepanow S, Schlickum U, Etzkorn M, Brune H, Barth JV.
PMID: 25856066
ACS Nano. 2015 Apr 28;9(4):3605-16. doi: 10.1021/nn507346x. Epub 2015 Apr 09.

Magnetochemistry recently emerged as a promising approach to control addressable spin arrays on surfaces. Here we report on the binding, spatial ordering, and magnetic properties of Fe on a highly regular Co-tetraphenylporphyrin (Co-TPP) template and highlight how the Fe...

Controlling Single Molecule Conductance by a Locally Induced Chemical Reaction on Individual Thiophene Units.

Angewandte Chemie (International ed. in English)

Michnowicz T, Borca B, Pétuya R, Schendel V, Pristl M, Pentegov I, Kraft U, Klauk H, Wahl P, Mutombo P, Jelínek P, Arnau A, Schlickum U, Kern K.
PMID: 31965698
Angew Chem Int Ed Engl. 2020 Apr 06;59(15):6207-6212. doi: 10.1002/anie.201915200. Epub 2020 Feb 18.

Among the prerequisites for the progress of single-molecule-based electronic devices are a better understanding of the electronic properties at the individual molecular level and the development of methods to tune the charge transport through molecular junctions. Scanning tunneling microscopy...

Step-induced frustration of antiferromagnetic order in Mn on Fe(001).

Physical review letters

Schlickum U, Janke-Gilman N, Wulfhekel W, Kirschner J.
PMID: 15089238
Phys Rev Lett. 2004 Mar 12;92(10):107203. doi: 10.1103/PhysRevLett.92.107203. Epub 2004 Mar 12.

We studied the spin arrangement in ultrathin antiferromagnetic Mn films in contact with a ferromagnetic Fe(001) substrate using spin-polarized scanning tunneling microscopy. Mn shows a layerwise antiferromagnetic order on Fe(001). In regions where Mn overgrows Fe steps, a frustration...

Showing 1 to 12 of 21 entries