267 citations · 1.8k across the 31 of their papers we have counts for
31 papers
Self-Aligned Metallic-Semiconducting Phosphorus Nanoarrays Driven by Facet Engineering
M. Bassotti, M. Tallarida, J. Dai +10
Two-dimensional (2D) materials often require specific substrate terminations for epitaxial stabilization, yet the search for suitable templates has largely focused on low-index met…
Emergence of π-Magnetism in Fused Aza-Triangulenes: Symmetry and Charge Transfer Effects
Jan Patrick Calupitan, Alejandro Berdonces-Layunta, Fernando Aguilar-Galindo +6
On-surface synthesis has paved the way towards the fabrication and characterization of conjugated carbon-based molecular materials that exhibit π-magnetism such as triangulenes. Az…
Chemisorption Induced Formation of Biphenylene Dimer on Surfaces
Zhiwen Zeng, Dezhou Guo, Tao Wang +10
We report an example that demonstrates the clear interdependence between surface-supported reactions and molecular adsorption configurations. Two biphenyl-based molecules with two…
Epitaxial monolayers of magnetic 2D semiconductor FeBr grown on Au(111)
S. E. Hadjadj, C. González-Orellana, J. Lawrence +20
Magnetic two-dimensional (2D) semiconductors have attracted a lot of attention because modern preparation techniques are capable of providing single crystal films of these material…
Detecting the spin-polarization of edge states in graphene nanoribbons
Jens Brede, Nestor Merino-Díez, Alejandro Berdonces +9
Low dimensional carbon-based materials are interesting because they can show intrinsic -magnetism associated to p-electrons residing in specific open-shell configurations. Conse…
On-surface synthesis and evolution of self-assembled poly(-phenylene) chains on Ag(111): a joint experimental and theoretical study
Viktoria V. Ivanovskaya, Alberto Zobelli, Andrea Basagni +6
The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend…
Carbon-based nanostructures as a versatile platform for tunable -magnetism
Dimas G. de Oteyza, Thomas Frederiksen
Emergence of -magnetism in open-shell nanographenes has been theoretically predicted decades ago but their experimental characterization was elusive due to the strong chemical r…
Ba ion trapping by organic submonolayer: towards an ultra-low background neutrinoless double beta decay detector
P. Herrero-Gómez, J. P. Calupitan, M. Ilyn +112
If neutrinos are their own antiparticles, the otherwise-forbidden nuclear reaction known as neutrinoless double beta decay () can occur, with a characteristic lifetime which…
Aza-Triangulene: On-Surface Synthesis, Electronic and Magnetic Properties
Tao Wang, Alejandro Berdonces-Layunta, Niklas Friedrich +7
Nitrogen heteroatom doping into a triangulene molecule allows tuning its magnetic state. However, the synthesis of the nitrogen-doped triangulene (aza-triangulene) has been challen…
Magnetic Interactions Between Radical Pairs in Chiral Graphene Nanoribbons
Tao Wang, Sofia Sanz, Jesús Castro-Esteban +8
Magnetic graphene nanoribbons (GNRs) have become promising candidates for future applications, including quantum technologies. Here, we characterize magnetic states hosted by chira…
Band structure and energy level alignment of chiral graphene nanoribbons on silver surfaces
Martina Corso, Rodrigo E. Menchón, Ignacio Piquero-Zulaica +5
Chiral graphene nanoribbons are extremely interesting structures due to their low bandgaps and potential development of spin-polarized edge states. Here, we study their band struct…
Topological phase transition in chiral graphene nanoribbons: from edge bands to end states
Jingcheng Li, Sofia Sanz, Nestor Merino-Díez +7
Precise control over the size and shape of graphene nanostructures allows engineering spin-polarized edge and topological states, representing a novel source of non-conventional $π…
Transformation of a graphene nanoribbon into a hybrid 1D nanoobject with alternating double chains and polycyclic regions
Alexander S. Sinitsa, Irina V. Lebedeva, Yulia G. Polynskaya +6
Molecular dynamics simulations show that a graphene nanoribbon with alternating regions which are one and three hexagons wide can transform into a hybrid 1D nanoobject with alterna…
Substrate-Independent Growth of Atomically Precise Chiral Graphene Nanoribbons
Dimas G. de Oteyza, Aran Garcia-Lekue, Manuel Vilas-Varela +10
Contributing to the need of new graphene nanoribbon (GNR) structures that can be synthesized with atomic precision, we have designed a reactant that renders chiral (3,1) - GNRs aft…
Steering alkyne homocoupling with on-surface synthesized catalysts
Mohammed S. G. Mohammed, Luciano Colazzo, Aurelio Gallardo +3
We report a multi-step on-surface synthesis strategy. The first step consists in the surface-supported synthesis of metal-organic complexes, which are subsequently used as catalyst…
Controlling the stereospecific bonding motif of Au-thiolate links
Luciano Colazzo, Mohammed S. G. Mohammed, Aurelio Gallardo +4
Organosulfur compounds at the interface to noble metals have proved over the last decades to be extremely versatile systems for both fundamental and applied research. However, the…
Electronic structure tunability by periodic meta-ligand spacing in one-dimensional organic semiconductors
Ignacio Piquero-Zulaica, Aran Garcia-Lekue, Luciano Colazzo +7
Designing molecular organic semiconductors with distinct frontier orbitals is key for the development of devices with desirable properties. Generating defined organic nanostructure…
Keto-enol tautomerization drives the self-assembly of Leucoquinizarin on Au(111)
Roberto Costantini, Luciano Colazzo, Laura Batini +7
The self-assembly of Leucoquinizarin molecule on Au(111) surface is shown to be characterized by the molecules mostly in their keto-enolic tautomeric form, with evidences of their…
Probing the magnetism of topological end-states in 5-armchair graphene nanoribbons
James Lawrence, Pedro Brandimarte, Alejandro Berdonces +5
We extensively characterize the electronic structure of ultra-narrow graphene nanoribbons (GNRs) with armchair edges and zig-zag termini that have 5 carbon atoms across their width…
Single Photon Emission from a Plasmonic Light Source Driven by a Local Field-Induced Coulomb Blockade
Christopher C. Leon, Olle Gunnarsson, Dimas G. de Oteyza +5
A hallmark of quantum control is the ability to manipulate quantum emission at the nanoscale. Through scanning tunneling microscopy induced luminescence (STML) we are able to gener…
Electrically addressing the spin of a magnetic porphyrin through covalently connected graphene electrodes
Jingcheng Li, Niklas Friedrich, Nestor Merino +4
We report on the fabrication and transport characterization of atomically-precise single molecule devices consisting of a magnetic porphyrin covalently wired by graphene nanoribbon…
On-Surface Synthesis of Heptacene on Ag(001) from Brominated and Non-Brominated Tetrahydroheptacene Precursors
Luciano Colazzo, Mohammed S. G. Mohammed, Ruth Dorel +6
Achieving the Ag(001)-supported synthesis of heptacene from two related reactants reveals the effect of the presence of Br atoms on the reaction process. The properties of reactant…
Switching From Reactant to Substrate Engineering in the Selective Synthesis of Graphene Nanoribbons
Néstor Merino-Díez, Jorge Lobo-Checa, Pawel Nita +12
The challenge of synthesizing graphene nanoribbons (GNRs) with atomic precision is currently being pursued along a one-way road, based on the synthesis of adequate molecular precur…
Width-Dependent Band Gap in Armchair Graphene Nanoribbons Reveals Fermi Level Pinning on Au(111)
Néstor Merino-Díez, Aran Garcia-Lekue, Eduard Carbonell-Sanromà +7
We report on the energy level alignment evolution of valence and conduction bands of armchair-oriented graphene nanoribbons (aGNR) as their band gap shrinks with increasing width.…