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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
Díaz-Guerra Viejo, Carlos ; Kurdyukov, D.A. ; Piqueras de Noriega, Javier ; Sokolov, V. I. ; Zamoryanskaya, M. V. | American Institute of Physics | 2001-03-01Synthetic opals-composed of 250 nm amorphous silica spheres closed packed in a face centered cubic structure-have been infilled with silicon, platinum, and with Si and different Pt contents. The luminescent properties of these composites have be[...]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[...]
