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Autor Nogales Díaz, Emilio |
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Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Plugaru, R. | Materials Research Society | 2003Electrically active regions of nanocrystalline silicon (nc-Si) films as well as of a p-type crystalline silicon (c-Si) wafer have been investigated by using a scanning electron microscope/scanning tunneling microscope (SEM/STM) combined instrume[...]texto impreso
López, Iñaqui ; Lorenz, K. ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Alves, E. ; Garcia, J. A. | Springer | 2014-02A systematical analysis of the correlation between the crystalline quality and the luminescence of rare-earth-implanted ß-Ga_2O_3 nanostructures with potential applications in visible and ultraviolet photonics is presented. Europium ions led to [...]texto impreso
Diaz, Joquín ; López, Iñaki ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | Springer | 2011-05Silicon-doped gallium oxide nanowires have been synthesized by thermal methods using either a mixture of gallium oxide and silicon powders or metallic gallium with silicon powder as precursor materials. The growth mechanism has been found to be [...]texto impreso
Méndez Martín, Bianchi ; López, I. ; Alonso Orts, Manuel ; Sanz, A. ; Nogales Díaz, Emilio ; Hidalgo Alcalde, Pedro ; Piqueras de Noriega, Javier | Spie-Int Soc Optical Engineering | 2017-05-30The synthesis of complex nanostructures that combine materials and dimensionality, promises the ability to identify novel designs and architectures with enhanced properties that could be used in new devices. One of the building blocks in nanomat[...]texto impreso
López García, Iñaki ; Cebriano Ramírez, Teresa ; Hidalgo Alcalde, Pedro ; Nogales Díaz, Emilio ; Piqueras de Noriega, Javier ; Méndez Martín, Bianchi | American Institute of Materials Science (AIMS) | 2016A thermal evaporation method developed in the research group enables to grow and design several morphologies of semiconducting oxide nanostructures, such as Ga_2O_3, GeO_2 or Sb_2O_3, among others, and some ternary oxide compounds (ZnGa_2O_4, Zn[...]texto impreso
Nogales Díaz, Emilio ; Garcia, J. A. ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Lorenz, K. ; Alves, E. | IOP publishing ltd | 2008-03-20The luminescence properties of Er doped ?-Ga_2O_3 and of the erbium gallium garnet Er_3 Ga_5O_12(ErGG) have been investigated both in the visible and in the infrared (IR) ranges by means of photoluminescence (PL). Doping of the ?-Ga_2O_3 was obt[...]texto impreso
Nogales Díaz, Emilio ; Montone, A. ; Cardellin, F. ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | IOP publishing ltd | 2002-12There. has been interest in the past years in the visible luminescence properties of germanium nanocrystals. Most of the previous works refer to Ge nanocrystals embedded in an oxide matrix. In this work nanocrystalline germanium has been prepare[...]texto impreso
Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | IOP publishing ltd | 2008-01-23Erbium doped ß-Ga_2O_3 nanowires and microwires have been obtained by a vapour-solid process from an initial mixture of ß-Ga_2O_3 and Er_2O_3 powders. X-ray diffraction (XRD) analysis reveals the presence of erbium gallium garnet as well as ß-Ga[...]texto impreso
Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Plugaru, R ; Coraci, A. ; Garcia, J. A. | IOP publishing ltd | 2002Visible luminescence from erbium oxide layers grown on crystalline and amorphous silicon (c-Si and a-Si) has been investigated. The results show strong red and green cathodoluminescence bands due to intraionic Er3+ radiative transitions at room [...]texto impreso
Méndez Martín, Bianchi ; Cebriano Ramírez, Teresa ; López, I. ; Nogales Díaz, Emilio ; Piqueras de Noriega, Javier | Spie-Int Soc Optical Engineering | 2013Interest on the control of light at the nano- and microscale has increased in the last years because of the incorporation of nanostructures into optical devices. In particular, semiconductor oxides microstructures emerge as important active mate[...]