DataVXThe Journal of Physical Chemistry CPaper
journal article·2020-10-15Open access

Mechanics of Molecule-Gears with Six Long Teeth

We-Hyo Soe, Michael Kleinwächter, Claire Kammerer, Gwénaël Rapenne, Christian Joachim

The Journal of Physical Chemistry C· Volume 124· Issue 41
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Source abstract

Abstract

On a Pb(111) surface in its superconducting state, the construction of a train of two and three hexa- tert -butylbiphenylbenzene molecule-gears (HB-BPB) is presented using a single Cu ad-atom rotation axle per molecule-gear for the two first ones. The new presented HB-BPB gears have been designed and synthesized with very long biphenyl teeth to minimize the number of Cu rotation axles for a long train construction when engaged at larger interaxle distances. It leads to a strong mechanical entanglement between the gears and renders a transmission of rotation along the train difficult. To minimize this classical entanglement, a practical solution is presented by using a native Pb(111) surface monoatomic step and by positioning each molecule-gear of the train at different monoatomic step heights on the supporting surface. This allows the construction of functioning long molecule-gear trains.
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Research context

OpenAlex topics: Molecular Junctions and Nanostructures · Force Microscopy Techniques and Applications · Physics of Superconductivity and Magnetism

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Centre d’Elaboration de Matériaux et d’Études Structurales (CEMES), Centre National de la Recherche Scientifique (CNRS), Université de Toulouse, 29 Rue J. Marvig, BP 4347, 31055 Toulouse Cedex, France

International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Material Sciences (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan

Funding

Japan Society for the Promotion of Science · Centre National de la Recherche Scientifique · Horizon 2020 Framework Programme · Universit? Toulouse III - Paul Sabatier

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