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Vidal, Marie ; Ibáñez García, Paula Beatriz ; Guerra, P. ; Valdivieso Casique, M. F. ; Rodrigues, R. ; Illane, C. ; Udías Moinelo, José Manuel | IOP publishing ltd | 2019-04Low energy x-ray intra-operative radiation therapy (IORT) is used mostly for breast cancer treatment with spherical applicators. X-ray IORT treatment delivered during surgery (ex: INTRABEAM (R), Carl Zeiss) can benefit from accurate and fast dos[...]texto impreso
Domínguez-Adame Acosta, Francisco ; Maciá Barber, Enrique Alfonso ; Méndez Martín, Bianchi ; Roy, C.L. ; Khan, A. | IOP publishing ltd | 1995-06We report the theoretical electronic structure of Fibonacci superlattices of narrow-gap III-V semiconductors. The electron dynamics is accurately described within the envelope-function approximation in a two-band model. Quasiperiodicity is intro[...]texto impreso
We consider the following system: [GRAPHICS] which has been used as a model for various phenomena, including motion of species by chemotaxis and equilibrium of self-attracting clusters. We show that, in space dimension N = 3, (S) possess radial [...]texto impreso
Ruiz Cembranos, José Alberto ; Cruz Dombriz, Álvaro de la ; Dobado González, Antonio ; Lineros, R. ; López Maroto, Antonio | IOP publishing ltd | 2011Annihilation of different dark matter (DM) candidates into Standard Model (SM) particles could be detected through their contribution to the gamma ray fluxes that are measured on the Earth. The magnitude of such contributions depends on the part[...]texto impreso
Fluctuation theorems impose constraints on the probability of observing negative entropy production in small systems driven out of equilibrium. The range of validity of fluctuation theorems has been extensively tested for transitions between equ[...]texto impreso
Maestre Varea, David ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier | IOP publishing ltd | 2006-03-28Samples of rutile TiO2 have been prepared by sintering compacted powders under argon flow. Long (above 20 h) sintering times at 1500 degrees C led to the formation of rods with squared cross-sections in a broad range of sizes. A two-step anneali[...]texto impreso
Storgards, J. ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Chenot, M. ; Dimroth, F. ; Bett, A.V. | IOP publishing ltd | 2004-07The effect of electrochemical etching of n-type GaSb in aqueous solutions of HCl and HF has been analysed. By anodization in HCl, two different morphologies of porous layers were observed depending on the current density. At low current density [...]texto impreso
López, I. ; Castaldini, A. ; Cavallini, A. ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | IOP publishing ltd | 2014-10-15The behaviour of ß-Ga?O? nanowires as photoconductive material in deep ultraviolet photodetectors to operate in the energy range 3.0-6.2 eV has been investigated. The nanowires were grown by a catalyst-free thermal evaporation method on gallium [...]texto impreso
Gate quality of ex situ deposited Al/SiNx : H/n-In0.53Ga0.47As devices after rapid thermal annealing
Ex situ deposited SiNx:H/In0.53Ga0.47As metal-insulator-semiconductor devices, with a minimum of interface state density of 3.5 x 10(11) eV(-1) cm(-2) have been obtained by electron cyclotron resonance plasma method at a low substrate temperatur[...]texto impreso
The structure of the algebra of gauge-invariant differential forms on the bundle C × ME is determined, where p:C?M is the bundle of connections of a U(1) principal bundle ? : P?M, and E?M is the associated bundle to P by the representation ?r, r[...]texto impreso
Hidalgo Alcalde, Pedro ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | IOP publishing ltd | 2005-11Thermal treatment of compacted GeO_2 powder under argon flow leads to the growth of a dense distribution of microwires and nanowires on the sample surface. Extended treatment causes the formation of more complex structures, including arrays of n[...]texto impreso
Munarriz, J. ; Domínguez-Adame Acosta, Francisco ; Orellana, P. A. ; Malyshev, Andrey | IOP publishing ltd | 2012-05-25We propose a novel spin filter based on a graphene nanoring fabricated above a ferromagnetic strip. The exchange interaction between the magnetic moments of the ions in the ferromagnet and the electron spin splits the electronic states, and give[...]texto impreso
We propose to use eigenvalue densities of unitary random matrix ensembles as mass distributions in gravitational lensing. The corresponding lens equations reduce to algebraic equations in the complex plane which can be treated analytically. We p[...]texto impreso
We propose to use eigenvalue densities of unitary random matrix ensembles as mass distributions in gravitational lensing. The corresponding lens equations reduce to algebraic equations in the complex plane which can be treated analytically. We p[...]texto impreso
In this work we report on the growth of Fe_(1-x)Gax films by means of the electrodeposition technique in baths containing sodium citrate as an antioxidant agent. We have investigated the effect of the electrolyte composition in terms of its Ga c[...]