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Díaz-Guerra Viejo, Carlos ; Piqueras de Noriega, Javier ; Golubev, VG. ; Kurdyukov, D.A. ; Pevtsov, A. B. | American Institute of Physics | 2001-10-01Synthetic opals infilled with silicon (opal-Si) and with Si and Pt (opal-Pt-Si) have been irradiated in a scanning electron microscope under high excitation conditions. Electron irradiation-induced changes in the morphology and luminescent defec[...]texto impreso
Cremades Rodríguez, Ana Isabel ; Sanchez, M. ; Piqueras de Noriega, Javier ; Golubev, VG. | Wiley-V C H Verlag Gmbh | 2003-01In this study, three-dimensional ordered synthetic opals formed by spheres of 230 nm impregnated with GaN have been investigated. In some of the samples gold and platinum were also introduced. The potential applications of GaN-opal assemblies in[...]texto impreso
Díaz-Guerra Viejo, Carlos ; Piqueras de Noriega, Javier ; Golubev, VG. ; Kurdyukov, D.A. ; Pevtsov, A. B. ; Zamoryanskaya, M. V. | Amer Inst Physics | 2002-11-13Scanning tunneling microscopy and scanning tunneling spectroscopy (STS) are used to investigate the local electronic behavior of Pt-Si nanostructures fabricated in an opal matrix formed by silica spheres of 250 nm diameter. Si and Pt are regular[...]
