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Autor Nogales Díaz, Emilio |
Documentos disponibles escritos por este autor (55)
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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[...]