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Planar refraction and lensing of highly confined polaritons in anisotropic media
(Nature, 2021-07-15)
Refraction between isotropic media is characterized by light bending towards the normal to the boundary when passing from a low- to a high-refractive-index medium. However, refraction between anisotropic media is a more ...
First-principles calculations of hot-electron lifetimes in metals
(American Physical Society, 2000)
First-principles calculations' of the inelastic lifetime of low-energy electrons in Al, Mg, Be, and Cu are reported. Quasiparticle damping rates are evaluated from the: knowledge of the electron self-energy, which we compute ...
Role of occupied d bands in the dynamics of excited electrons and holes in Ag
(American Physical Society, 2003)
The role that occupied d bands play in the inelastic lifetime of bulk and surface states in Ag is investigated from the knowledge of the quasiparticle self-energy. In the case of bulk electrons, sp bands are taken to be ...
Nanomechanics of pathogenic attachment: uropathogenic escherichia coli and human immunodeficiency virus.
(2017-12-15)
En esta tesis doctoral el objetivo ha sido estudiar la nanomecánica de proteínas de superficie celular involucradas en la adhesión de patógenos a células humanas. Concretamente se han estudiado lasproteínas que utiliza ...
How Aromatic Are Molecular Nanorings? The Case of a Six-Porphyrin Nanoring**
(Wiley, 2021-11-02)
Large conjugated rings with persistent currents are novel promising structures in molecular-scale electronics. A six-porphyrin nanoring structure that allegedly sustained an aromatic ring current involving 78 pi electrons ...
Acoustic plasmons in extrinsic free-standing graphene
(IOP Publishing, 2014-08-04)
An acoustic plasmon is predicted to occur, in addition to the conventional two-dimensional (2D) plasmon, as the collective motion of a system of two types of electronic carriers coexisting in the same 2D band of extrinsic ...
Non-adiabatic processes in the radiation damage of materials from first principles
(2018-03-23)
El paso rápido de iones a través de un sistema de materia condensadaconstituye un problema cuánntico de muchos cuerpos dependientedel tiempo. La complejidad del problema hace que sea extremadamentedifícil encontrar una ...
Advances in Single-Chain Nanoparticles for Catalysis Applications
(MDPI, 2017-10-21)
Enzymes are the most efficient catalysts known for working in an aqueous environment near room temperature. The folding of individual polymer chains to functional single-chain nanoparticles (SCNPs) offers many opportunities ...
Efficient Synthesis of Single-Chain Polymer Nanoparticles via Amide Formation
(Hindawi Publishing, 2015)
Single-chain technology (SCT) allows the transformation of individual polymer chains to folded/collapsed unimolecular soft nanoparticles. In this work we contribute to the enlargement of the SCT toolbox by demonstrating ...
Electronic and spintronic devices using two-dimensional materials
(2017-05-30)
Ever since in 2004 atomically-thin two-dimensional van der Waals materials became available to the scientific community, at the reach of manual microexfoliation techniques, their implementation in novel device structures ...