Radical Single-Molecule Junctions

L Li, CR Prindle, W Shi, C Nuckolls… - Journal of the …, 2023 - ACS Publications
Radicals are unique molecular systems for applications in electronic devices due to their
open-shell electronic structures. Radicals can function as good electrical conductors and …

Topological radical pairs produce ultrahigh conductance in long molecular wires

L Li, S Louie, AM Evans, E Meirzadeh… - Journal of the …, 2023 - ACS Publications
Molecular one-dimensional topological insulators (1D TIs), which conduct through
energetically low-lying topological edge states, can be extremely highly conducting and …

Extreme Anomalous Conductance Enhancement in Neutral Diradical Acene-like Molecular Junctions

B Lawson, E Vidal Jr, S Luna, MM Haley… - ACS …, 2024 - ACS Publications
We achieve, at room temperature, conductance enhancements over 2 orders of magnitude
in single molecule circuits formed with polycyclic benzoquinoidal (BQn) diradicals upon …

Designing Long and Highly Conducting Molecular Wires with Multiple Nontrivial Topological States

L Li, C Nuckolls, L Venkataraman - The Journal of Physical …, 2023 - ACS Publications
Molecular one-dimensional topological insulators (1D TIs), described by the Su–Schrieffer–
Heeger (SSH) model, are a new class of molecular electronic wires whose low-energy …

Long-Range Gating in Single-Molecule One-Dimensional Topological Insulators

L Li, S Louie, NM Orchanian, C Nuckolls… - Journal of the …, 2024 - ACS Publications
Single-molecule one-dimensional topological insulator (1D TI) is a class of molecular wires
that exhibit increasing conductance with wire length. This unique trend is due to the coupling …

Atomically Precise Control of Topological State Hybridization in Conjugated Polymers

A Jiménez-Martín, Z Sosnová, D Soler, B Mallada… - ACS …, 2024 - ACS Publications
Realization of topological quantum states in carbon nanostructures has recently emerged as
a promising platform for hosting highly coherent and controllable quantum dot spin qubits …

Signatures of Topological States in Conjugated Macrocycles

R Almughathawi, S Hou, Q Wu, CJ Lambert - Nano Letters, 2024 - ACS Publications
Single-molecule electrical junctions possess a molecular core connected to source and
drain electrodes via anchor groups, which feed and extract electricity from specific atoms …

Unraveling the Nature of Spin Coupling in a Metal-Free Diradical: Theoretical Distinction of Ferromagnetic and Antiferromagnetic Interactions

L Zuo, L Ye, X Li, RX Xu, YJ Yan… - The Journal of Physical …, 2024 - ACS Publications
Metal-free diradicals based on polycyclic aromatic hydrocarbons are promising candidates
for organic spintronics due to their stable magnetism and tunable spin coupling. However …

Does a Blatter Radical Retain Its Open-Shell Character When Incorporated into Gold–Molecule–Gold Junctions?

Y Jiang, S Li, Y Wang, H Pan, Y Wang… - The Journal of …, 2023 - ACS Publications
One of the key issues for the use of organic radicals in high-performance molecular
electronic, spintronic and thermoelectric devices is the retention, at room temperature, of …

Au-Thiolate Interfacial Coordination: The Key to Determining the Spin State of a Blatter Radical When Incorporated into Gold–Molecule–Gold Junctions

Y Jiang, S Li, Y Wang, S Sanvito… - The Journal of Physical …, 2024 - ACS Publications
The retention of the open-shell character of radicals when they are contacted to metallic
electrodes in a junction is the primary prerequisite for their applications in high-performance …