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Orientation dependent molecular friction on organic layer compound crystals

Orientation dependent molecular friction on organic layer compound crystals
Orientation dependent molecular friction on organic layer compound crystals
High resolution friction force maps of the benzylammonium terminated crystalline surface of a layer compound are presented. The lateral force map acquired with an atomic force microscope, reveals a significant contrast between different molecular orientations yielding molecular rows which differ from their neighboring ones. The single crystals are formed by stacks of copper oxalate sheets sandwiched between stereoregular organic cations, resulting in highly organized surface structures. Single molecular defects are observed at small loads. The experimental results are compared with numerical calculations which indicate a transition from an unperturbed state at small loads to a distorted state at higher loads. (C) 2011 American Institute of Physics.
atomic force microscopy, copper compounds, crystal structure, friction, organic compounds, surface structure
0003-6951
083119-[3pp]
Fessler, Gregor
4be41e95-4100-483d-abe9-6e3815e2385d
Zimmermann, Iwan
c1ffc60d-700a-4757-865e-2395c1486f99
Glatzel, Thilo
2cb1ac8f-8bb8-4124-8854-50a032898489
Gnecco, Enrico
12614c63-7974-40e8-b136-4b1142c513ff
Steiner, Pascal
0f42d0ec-4a05-4af6-8117-eb452ecc2ad0
Roth, Raphael
06b1e054-465b-4191-81f0-dadf7834c9c4
Keene, Tony D.
fb859c26-6a1d-4c43-a15f-f329bc8d34d7
Liu, Shi-Xia
546635e3-8931-436e-8456-298ac2a3134d
Decurtins, Silvio
331985a5-2121-47e4-a4b2-2fd09f8cabfd
Meyer, Ernst
4ab79d90-40f6-42eb-a47f-1b2b538d2244
Fessler, Gregor
4be41e95-4100-483d-abe9-6e3815e2385d
Zimmermann, Iwan
c1ffc60d-700a-4757-865e-2395c1486f99
Glatzel, Thilo
2cb1ac8f-8bb8-4124-8854-50a032898489
Gnecco, Enrico
12614c63-7974-40e8-b136-4b1142c513ff
Steiner, Pascal
0f42d0ec-4a05-4af6-8117-eb452ecc2ad0
Roth, Raphael
06b1e054-465b-4191-81f0-dadf7834c9c4
Keene, Tony D.
fb859c26-6a1d-4c43-a15f-f329bc8d34d7
Liu, Shi-Xia
546635e3-8931-436e-8456-298ac2a3134d
Decurtins, Silvio
331985a5-2121-47e4-a4b2-2fd09f8cabfd
Meyer, Ernst
4ab79d90-40f6-42eb-a47f-1b2b538d2244

Fessler, Gregor, Zimmermann, Iwan, Glatzel, Thilo, Gnecco, Enrico, Steiner, Pascal, Roth, Raphael, Keene, Tony D., Liu, Shi-Xia, Decurtins, Silvio and Meyer, Ernst (2011) Orientation dependent molecular friction on organic layer compound crystals. Applied Physics Letters, 98 (8), 083119-[3pp]. (doi:10.1063/1.3559227).

Record type: Article

Abstract

High resolution friction force maps of the benzylammonium terminated crystalline surface of a layer compound are presented. The lateral force map acquired with an atomic force microscope, reveals a significant contrast between different molecular orientations yielding molecular rows which differ from their neighboring ones. The single crystals are formed by stacks of copper oxalate sheets sandwiched between stereoregular organic cations, resulting in highly organized surface structures. Single molecular defects are observed at small loads. The experimental results are compared with numerical calculations which indicate a transition from an unperturbed state at small loads to a distorted state at higher loads. (C) 2011 American Institute of Physics.

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More information

Published date: 21 February 2011
Keywords: atomic force microscopy, copper compounds, crystal structure, friction, organic compounds, surface structure
Organisations: Organic Chemistry: Synthesis, Catalysis and Flow, Chemistry, Faculty of Natural and Environmental Sciences

Identifiers

Local EPrints ID: 351383
URI: http://eprints.soton.ac.uk/id/eprint/351383
ISSN: 0003-6951
PURE UUID: 6e40e1ef-f424-476f-955d-8f62c338d9f1
ORCID for Tony D. Keene: ORCID iD orcid.org/0000-0003-2297-4327

Catalogue record

Date deposited: 22 Apr 2013 09:42
Last modified: 15 Aug 2019 00:35

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