M. Papagno
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View article: Mastering the growth of antimonene on Bi2Se3: Strategies and insights
Mastering the growth of antimonene on Bi2Se3: Strategies and insights Open
Antimonene, the two-dimensional phase of antimony, appears in two distinct allotropes when epitaxially grown on Bi2Se3: the puckered asymmetric washboard (α) and buckled honeycomb (β) bilayer structures. As-deposited antimony films exhibit…
View article: Charge Effects and Electron Phonon Coupling in Potassium-Doped Graphene
Charge Effects and Electron Phonon Coupling in Potassium-Doped Graphene Open
Herewith, we propose a comprehensive study of the vibrational response of chemical doping of free-standing graphene (Gr). Complementary insights on the increased metallicity have been demonstrated by the emerging plasmon excitation in the …
View article: Thiol-functionalized cellulose for mercury polluted water remediation: Synthesis and study of the adsorption properties
Thiol-functionalized cellulose for mercury polluted water remediation: Synthesis and study of the adsorption properties Open
Mercury pollution poses a global health threat due to its high toxicity, especially in seafood where it accumulates through various pathways. Developing effective and affordable technologies for mercury removal from water is crucial. Adsor…
View article: Production and physical-chemical characterization of walnut shell-derived activated carbons for hydrogen storage application
Production and physical-chemical characterization of walnut shell-derived activated carbons for hydrogen storage application Open
A series of activated carbons have been produced from walnut shells by pyrolysis and physical activation in an oxidizing atmosphere. The effects of the activation time on the porosity formation and physicochemical characteristics, then hyd…
View article: On the floating of the topological surface state on top of a thick lead layer: The case of the Pb/Bi2Se3 interface
On the floating of the topological surface state on top of a thick lead layer: The case of the Pb/Bi2Se3 interface Open
The puzzling question about the floating of the topological surface state on top of a thick Pb layer, has now possibly been answered. A study of the interface made by Pb on Bi2Se3 for different temperature and adsorbate coverage condition,…
View article: Nearly-Freestanding Supramolecular Assembly with Tunable Structural Properties
Nearly-Freestanding Supramolecular Assembly with Tunable Structural Properties Open
The synthesis and design of two-dimensional supramolecular assemblies with specific functionalities is one of the principal goals of the emerging field of molecule-based electronics, which is relevant for many technological applications. A…
View article: One-dimensional Rashba states with unconventional spin texture in Bi chains
One-dimensional Rashba states with unconventional spin texture in Bi chains Open
Spin-polarized electrons confined in low-dimensional structures are of high interest for spintronics applications. Here, in this study, we investigate the electronic structure of an ordered array of Bi monomer and dimer chains on the Ag(11…
View article: Electronic band structure of three-dimensional topological insulators with different stoichiometry composition
Electronic band structure of three-dimensional topological insulators with different stoichiometry composition Open
We report on a comparative theoretical and experimental investigation of the electronic band structure of a family of three-dimensional topological insulators, AIVBi4Te7−xSex (AIV= Sn, Pb;x = 0, 1). We prove by means of density functional …
View article: Zinc(II) tetraphenylporphyrin on Au(111) investigated by scanning tunnelling microscopy and photoemission spectroscopy measurements
Zinc(II) tetraphenylporphyrin on Au(111) investigated by scanning tunnelling microscopy and photoemission spectroscopy measurements Open
Porphyrins are a versatile class of molecules, which have attracted attention over the years due to their electronic, optical and biological properties. Self-assembled monolayers of porphyrins were widely studied on metal surfaces in order…
View article: Temperature Driven Phase Transition at the Antimonene/Bi<sub>2</sub>Se<sub>3</sub> van der Waals Heterostructure
Temperature Driven Phase Transition at the Antimonene/Bi<sub>2</sub>Se<sub>3</sub> van der Waals Heterostructure Open
We report the discovery of a temperature-induced phase transition between the α and β structures of antimonene. When antimony is deposited at room temperature on bismuth selenide, it forms domains of α-antimonene having different orientati…
View article: Deep Insight Into the Electronic Structure of Ternary Topological Insulators: A Comparative Study of PbBi<sub>4</sub>Te<sub>7</sub> and PbBi<sub>6</sub>Te<sub>10</sub>
Deep Insight Into the Electronic Structure of Ternary Topological Insulators: A Comparative Study of PbBi<sub>4</sub>Te<sub>7</sub> and PbBi<sub>6</sub>Te<sub>10</sub> Open
By means of angle‐resolved photoemission spectroscopy measurements, the electronic band structure of the three‐dimensional PbBi 4 Te 7 and PbBi 6 Te 10 topological insulators is compared. The measurements clearly reveal coexisting topologi…
View article: TCNQ Physisorption on the Topological Insulator Bi<sub>2</sub>Se<sub>3</sub>
TCNQ Physisorption on the Topological Insulator Bi<sub>2</sub>Se<sub>3</sub> Open
Topological insulators are promising candidates for spintronic applications due to their topologically protected, spin‐momentum locked and gapless surface states. The breaking of the time‐reversal symmetry after the introduction of magneti…
View article: Spin-polarized confined states in Ag films on Fe(1 1 0)
Spin-polarized confined states in Ag films on Fe(1 1 0) Open
Spin- and angle-resolved photoemission spectroscopy of thin Ag(1 1 1) films on ferromagnetic Fe(1 1 0) shows a series of spin-polarized peaks. These features derive from Ag sp-bands, which form quantum well states and resonances due to con…
View article: Giant apparent lattice distortions in STM images of corrugated sp<sup>2</sup>-hybridised monolayers
Giant apparent lattice distortions in STM images of corrugated sp<sup>2</sup>-hybridised monolayers Open
We report on the strengths and limitations of scanning tunnelling microscopy (STM) when used for characterising atomic-scale features of quasi two-dimensional materials, such as graphene and single layers of hexagonal boron nitride, which …
View article: Energy-momentum mapping of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>d</mml:mi></mml:math>-derived Au(111) states in a thin film
Energy-momentum mapping of-derived Au(111) states in a thin film Open
The quantum well states of a film can be used to sample the electronic\nstructure of the parent bulk material and determine its band parameters. We\nhighlight the benefits of two-dimensional film band mapping, with respect to\ncomplex bulk…