374 citations · 1.5k across the 26 of their papers we have counts for
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Intermolecular interaction enhances thermoelectric performance of molecular junctions
Abdalghani Daaoub, Renhang Wang, Ross Davidson +2
Novel organic materials formed from functional molecules are attractive for various nanoelectronic applications because they are environmentally friendly, widely available and inex…
Tunable quantum dots from atomically precise graphene nanoribbons using a multi-gate architecture
Jian Zhang, Oliver Braun, Gabriela Borin Barin +14
Atomically precise graphene nanoribbons (GNRs) are increasingly attracting interest due to their largely modifiable electronic properties, which can be tailored by controlling thei…
Ultimately-scaled electrodes for contacting individual atomically-precise graphene nanoribbons
Jian Zhang, Liu Qian, Gabriela Borin Barin +10
Bottom-up synthesized graphene nanoribbons (GNRs) are quantum materials that can be structured with atomic precision, providing unprecedented control over their physical properties…
Controlled quantum dot formation in atomically engineered graphene nanoribbons field-effect transistors
Maria El Abbassi, Mickael Perrin, Gabriela Borin Barin +12
Graphene nanoribbons (GNRs) have attracted a strong interest from researchers worldwide, as they constitute an emerging class of quantum-designed materials. The major challenges to…
On the resilience of magic number theory for conductance ratios of aromatic molecules
Lara Ulčakar, Tomaž Rejec, Jure Kokalj +5
If simple guidelines could be established for understanding how quantum interference (QI) can be exploited to control the flow of electricity through single molecules, then new fun…
Magic number theory of superconducting proximity effects and Wigner delay times in graphene-like molecules
Péter Rakyta, Asma Alanazy, Andor Kormányos +7
When a single molecule is connected to external electrodes by linker groups, the connectivity of the linkers to the molecular core can be controlled to atomic precision by appropri…
The conductance of porphyrin-based molecular nanowires increases with length
Norah Algethami, Hatef Sadeghi, Sara Sangtarash +1
High electrical conductance molecular nanowires are highly desirable components for future molecular-scale circuitry, but typically molecular wires act as tunnel barriers and their…
Gateway state-mediated, long-range tunnelling in molecular wires
Sara Sangtarash, Andrea Vezzoli, Hatef Sadeghi +7
If the factors controlling the decay in single-molecule electrical conductance G with molecular length L could be understood and controlled, then this would be a significant step f…
Cross-plane enhanced thermoelectricity and phonon suppression in graphene/MoS2 van der Waals heterostructures
Hatef Sadeghi, Sara Sangtarash, Colin J. Lambert
The thermoelectric figures of merit of pristine two-dimensional materials are predicted to be significantly less than unity, making them uncompetitive as thermoelectric materials.…
Quantum Interference in Graphene Nanoconstrictions
Pascal Gehring, Hatef Sadeghi, Sara Sangtarash +7
We report quantum interference effects in the electrical conductance of chemical vapor deposited graphene nanoconstrictions fabricated using feedback controlled electroburning. The…
Theory of electron and phonon transport in nano and molecular quantum devices: Design strategies for molecular electronics and thermoelectricity
Hatef Sadeghi
Understanding the electronic and phononic transport properties of junctions consisting of a scattering region such as a nanoscale matters or molecules connected to two or more elec…
Exploring quantum interference in heteroatom-substituted graphene-like molecules
Sara Sangtarash, Hatef Sadeghi, Colin J. Lambert
If design principles for controlling quantum interference in single molecules could be elucidated and verified, then this will lay the foundations for exploiting such effects in na…
Sensing Single Molecules with Carbon-Boron-Nitride Nanotubes
Laith Algharagholy, Thomas Pope, Qusiy Al-Galiby +3
We investigate the molecular sensing properties of carbon nanotube-boron nitride-carbon nanotube (CNT-BN-CNT) junctions. We demonstrate that the electrical conductance of such a ju…
Conductance enlargement in pico-scale electro-burnt graphene nanojunctions
Hatef Sadeghi, Jan Mol, Chit Lau +3
Provided the electrical properties of electro-burnt graphene junctions can be understood and controlled, they have the potential to underpin the development of a wide range of futu…
Negative differential electrical resistance of a rotational organic nanomotor
Hatef Sadeghi, Sara Sangtarash, Qusiy Al-Galiby +3
A robust nanoelectromechanical switch is proposed based upon an asymmetric pendant moiety anchored to an organic backbone between two C60 fullerenes, which in turn are connected to…
Oligoyne molecular junctions for efficient room temperature thermoelectric power generation
Hatef Sadeghi, Sara Sangtarash, Colin J. Lambert
Understanding phonon transport at a molecular scale is fundamental to the development of high-performance thermoelectric materials for the conversion of waste heat into electricity…
Thermoelectric properties of graphene/boron nitride heterostructures
L. A. Algharagholy, Q. Al-Galiby, H. A. Marhoon +3
Using density functional theory combined with a Green's function scattering approach, we examine the thermoelectric properties of hetero-nanoribbons formed from alternating lengths…
Hexagonal-boron nitride substrates for electroburnt graphene nanojunctions
Hatef Sadeghi, Sara Sangtarash, Colin Lambert
We examine the effect of a hexagonal boron nitride (hBN) substrate on electron transport through graphene nanojunctions just before gap formation. Junctions in vacuum and on hBN ar…
A quantum circuit rule for interference effects in single-molecule electrical junctions
David Zsolt Manrique, Cancan Huang, Masoud Baghernejad +9
A quantum circuit rule for combining quantum interference (QI) effects in the conductive properties of oligo(phenyleneethynylene) (OPE)-type molecules possessing three aromatic rin…
Searching the hearts of graphene-like molecules for simplicity, sensitivity and logic
Sara Sangtarash, Cancan Huang, Hatef Sadeghi +7
If quantum interference patterns in the hearts of polycyclic aromatic hydrocarbons (PAHs) could be isolated and manipulated, then a significant step towards realizing the potential…
Magic ratios for connectivity-driven electrical conductance of graphene-like molecules
Yan Geng, Sara Sangtarash, Cancan Huang +7
Experiments using a mechanically-controlled break junction and calculations based on density functional theory demonstrate a new magic ratio rule (MRR),which captures the contribut…
Functionalization mediates heat transport in graphene nanoflakes
Haoxue Han, Yong Zhang, Zainelabideen Y. Mijbil +9
Self-heating is a severe problem for high-power microelectronic devices. Graphene and few-layer graphene have attracted tremendous attention for heat removal thanks to their extrao…
GOLLUM: a next-generation simulation tool for electron, thermal and spin transport
J. Ferrer, C. J. Lambert, V. M. Garcia-Suarez +9
We have developed an efficient simulation tool 'GOLLUM' for the computation of electrical, spin and thermal transport characteristics of complex nanostructures. The new multi-scale…
Exploiting the Extended π-System of Perylene Bisimide for Label-free Single-Molecule Sensing
Qusiy Al-Galiby, Iain Grace, Hatef Sadeghi +1
We demonstrate the potential of perylene bisimide (PBI) for label-free sensing of organic molecules by investigating the change in electronic properties of five symmetric and asymm…