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Akademický článek

Long and isolated graphene nanoribbons by on-surface polymerization on Au(111)

Autor: Umamahesh Thupakula, We-Hyo Soe, Christian Joachim, Erik Dujardin

Publikováno v: Communications Chemistry, Vol 6, Iss 1, Pp 1-8 (2023)

Abstract Low electronic gap graphene nanoribbons (GNRs) are used for the fabrication of nanomaterial-based devices and, when isolated, for mono-molecular electronics experiences, for which a well-controlled length is crucial. Here, an on-surface chem

Externí odkaz: https://doaj.org/article/f54d1ff6e06244a38bfe652d1bd26dd9

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Akademický článek

Universal quantum control of an atomic spin qubit on a surface

Autor: Yu Wang, Masahiro Haze, Hong T. Bui, We-hyo Soe, Herve Aubin, Arzhang Ardavan, Andreas J. Heinrich, Soo-hyon Phark

Publikováno v: npj Quantum Information, Vol 9, Iss 1, Pp 1-6 (2023)

Abstract Scanning tunneling microscopy (STM) enables the bottom-up fabrication of tailored spin systems on a surface that are engineered with atomic precision. When combining STM with electron spin resonance (ESR), these single atomic and molecular s

Externí odkaz: https://doaj.org/article/0e959395a93a4b40b1d415bed70abc9f

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Low Coverage of Long Graphene Nanoribbons by On-surface Double Layer Polymerization on Au(111)

Autor: Umamahesh THUPAKULA, We-Hyo Soe, Christian Joachim, Erik Dujardin

The controlled surface annealing by steps of 50°C of graphene nanoribbon (GNR) precursors on Au(111) is characterized, during the GNR on-surface synthesis, using low-temperature ultrahigh vacuum scanning tunneling microscopy and dI/dV spectroscopy.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16e8d3aece2b476b1c3f0e03313c82f5
https://doi.org/10.21203/rs.3.rs-2780904/v1

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Towards a Molecular Mechanical Calculator

Autor: We-Hyo Soe, Christian Joachim

Publikováno v: Advances in Atom and Single Molecule Machines ISBN: 9783031169298

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dedf6eb0a0ebadb8807d94f06f468ed
https://doi.org/10.1007/978-3-031-16930-4_8

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A Single-Molecule Digital Full Adder

Autor: Antonio M. Echavarren, We-Hyo Soe, Paula de Mendoza, Christian Joachim

Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2021, 12 (35), pp.8528-8532. ⟨10.1021/acs.jpclett.1c02449⟩
Journal of Physical Chemistry Letters, 2021, 12 (35), pp.8528-8532. ⟨10.1021/acs.jpclett.1c02449⟩

A specifically designed aza-starphene molecule is presented where contacting one, two, and/or three single Al adatoms allows this molecule to function as a "3-inputs & 2-outputs" digital full adder on a Au(111) surface. Sequentially positioning singl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbaf53485fbb7eafb474cc4e5c538a8a
https://pubmed.ncbi.nlm.nih.gov/34464145

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Doublet-singlet-doublet transition in a single organic molecule magnet on-surface constructed with up to 3 aluminum atoms

Autor: We-Hyo Soe, Roberto Robles, Antonio M. Echavarren, Nicolás Lorente, Paula de Mendoza, Christian Joachim

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Nano Letters
Nano Letters, American Chemical Society, 2021, 21 (19), pp.8317-8323. ⟨10.1021/acs.nanolett.1c02881⟩
Nano Letters, 2021, 21 (19), pp.8317-8323. ⟨10.1021/acs.nanolett.1c02881⟩

Starting from a long aza-starphene neutral and nonmagnetic organic molecule, a single-molecule magnet is on-surface constructed using up to 3 light nonmagnetic aluminum (Al) atoms. Seldom observed in solution with transition-metal atoms and going fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24d4a00b83be4f2856c7cf0c0608aa54
http://hdl.handle.net/10261/264061

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A Tetrabenzophenazine Low Voltage Single Molecule XOR Quantum Hamiltonian Logic Gate

Autor: We-Hyo Soe, Christian Joachim, Carlos Manzano

Publikováno v: Chemical Physics Letters
Chemical Physics Letters, 2020
Chemical Physics Letters, Elsevier, 2020

A tetrabenzo[a,c,j.h]phenazine molecule is functionning like a “2 input – 1 output” XOR Boolean logic gate using the quantum level repulsion effect of the Quantum Hamiltonian Computing approach. The logical inputs are performed using one alumin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2a4fdfafa4c3d29b8607db47c319bf5
https://hal.science/hal-03022376

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Mechanics of molecule-gears with six long teeth

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

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2020, ⟨10.1021/acs.jpcc.0c08194⟩
Journal of Physical Chemistry C, 2020, ⟨10.1021/acs.jpcc.0c08194⟩

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 rotatio...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cd56835a5259d1aa2696e7fa4b3d536
https://hal.archives-ouvertes.fr/hal-03022368

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Transmission of Rotational Motion Between Molecule-Gears

Autor: Saurabh Srivastava, We-Hyo Soe, Christian Joachim

Publikováno v: Building and Probing Small for Mechanics ISBN: 9783030567767

A molecule-gear rotating without a lateral jittering effect is constructed using a single copper adatom as a physical axle on a lead superconducting surface. The molecule-gear has a diameter of 1.2 nm with 6 tert-butyl-teeth. It is mounted on this Cu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84f126738d09b9e96470d87a764a2485
https://doi.org/10.1007/978-3-030-56777-4_9

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Train of Single Molecule-Gears

Autor: We-Hyo Soe, Christian Joachim, Saurabh Srivastava

Publikováno v: Journal of Physical Chemistry Letters
Journal of Physical Chemistry Letters, American Chemical Society, 2019, 10 (21), pp.6462-6467. ⟨10.1021/acs.jpclett.9b02259⟩
Journal of Physical Chemistry Letters, 2019, 10 (21), pp.6462-6467. ⟨10.1021/acs.jpclett.9b02259⟩
The Journal of Physical Chemistry Letters

International audience; Two molecule-gears, 1.2 nm in diameter with 6 teeth, are mounted each on a single copper ad-atom separated exactly by 1.9 nm on a lead surface using a low temperature scanning tunneling microscope (LT-STM). A functioning train

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a3d4ab9da6a856b049ac1124c992797
https://pubmed.ncbi.nlm.nih.gov/31584279

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