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- 1. Phys. Rev. B 73, 115203 (2006) , “Thermal stability of gamma-irradiation-induced oxygen-deficient centers in silica”, S. Agnello and L. NuccioThe effects of isochronal thermal treatments on three -irradiation-induced point defects, named the E, ODC(II), and H(I) centers, are investigated in various types of commercial silica (a-SiO2). ODC(II) is investigated by means of photoluminescence spectroscopy,... (Read more)
- 2. Phys. Rev. Lett. 97, 135502 (2006) , “29Si Hyperfine Structure of the Eα Center in Amorphous Silicon Dioxide”, G. Buscarino, S. Agnello, and F. M. GelardiWe report a study by electron paramagnetic resonance on the Eα point defect in amorphous silicon dioxide (a-SiO2). Our experiments were performed on γ-ray irradiated oxygen-deficient materials and pointed out that the 29Si... (Read more)
- 3. J. Non-Cryst. Solids 239, 16-48 (1998) , “Optically active oxygen-deficiency-related centers in amorphous silicon dioxide”, Linards SkujaThe spectroscopic properties, structure and interconversions of optically active oxygen-deficiency-related point defects in vitreous silica are reviewed. These defects, the E′-centers (oxygen vacancies with a trapped hole or 3-fold-coordinated silicons), different variants of diamagnetic... (Read more)GeO2 SiO2| EPR PL gamma-irradiation optical-spectroscopy| 0.5-1.0eV 1.0eV~ 1H 2.0eV~ 3.0eV~ 4.0eV~ 5.0eV~(larger) Chlorine E' E'-alpha E'-betha E'-delta E'-gamma Germanium H(I) H(II) Hydrogen ODC ODC(I) ODC(II) OHC Oxygen POR Silicon amorphous dangling-bond dielectric interstitial pair(=2) surface triplet vacancy | last update: Takahide Umeda
- 4. J. Vac. Sci. Technol. B 16, 2134-2153 (1998) , “What can electron paramagnetic resonance tell us about the Si/SiO2 system?”, P. M. Lenahan, J. F. Conley, Jr.Electron paramagnetic resonance (EPR) measurements of Si/SiO2 systems began over 30 years ago. Most EPR studies of Si/SiO2 systems have dealt with two families of defects: Pb centers and E centers. Several variants from each group have... (Read more)BPSG PSG Si SiO2| EDMR EPR electric-field-effect electrical-meas. etching gamma-irradiation| 10B 11B 1H 29Si 2D 31P BOHC Boron Deuterium E' E'-delta H(I) Hydrogen Nb Nitrogen Oxygen P1 P2 P4 POHC Pb Pb0 Pb1 Phosphorus Silicon amorphous complex(=3) dangling-bond device dielectric interface pair(=2) | last update: Takahide Umeda
- 5. J. Non-Cryst. Solids 179, 1-9 (1994) , “The many varieties of E′ centers: a review”, Robert A. WeeksThree varieties of E′ centers with a spin state, S = 1/2, and with a G-tensor, Gx Gy 2.0003, Gz 2.0018, were identified in the early reports on paramagnetic states in irradiated α-quartz. The atomic structure of two of these had an hydrogen ion (proton) in nearby sites and hence... (Read more)
- 6. J. Non-Cryst. Solids 149, 137-160 (1992) , “Electron spin resonance characterization of self-trapped holes in amorphous silicon dioxide”, David L. GriscomThe electron spin resonance spectra of radiation-induced self-trapped holes (STHs) in amorphous silicon dioxide are isolated by isochromal annealing experiments and computer simulation analyses. Two distinct components, denoted STH1 and STH2 (plus a third component intermediate between the two),... (Read more)
- 7. IEEE Trans. Nucl. Sci. 36, 1800-1807 (1989) , “A spin dependent recombination study of radiation induced defects at and near the Si/SiO2 interface”, M. A. Jupina , P. M. Lenahan
- 8. Phys. Rev. B 34, 7524-7533 (1986) , “Fundamental radiation-induced defect centers in synthetic fused silicas: Atomic chlorine, delocalized E' centers, and a triplet state”, D. L. Griscom and E. J. FriebeleA series of synthetic fused silicas of diverse OH contents was subjected to 100-keV x irradiations at 77 K and investigated by electron-spin-resonance techniques at ?110 K or higher temperatures. Spectra were recorded at X-band frequencies (?9.2–9.3 GHz) both as the first derivative of absorption... (Read more)
- 9. Appl. Phys. Lett. 44, 96-98 (1984) , “Paramagnetic trivalent silicon centers in gamma irradiated metal-oxide-silicon structures”, P. M. Lenahan and P. V. DressendorferWe find that two paramagnetic ``trivalent silicon'' centers appear to be primarily responsible for radiation damage in metal-oxide-silicon structures. Applied Physics Letters is copyrighted by The American Institute of Physics. ... (Read more)
- 10. J. Non-Cryst. Solids 32, 313-326 (1979) , “OXYGEN-ASSOCIATED TRAPPED-HOLE CENTERS IN HIGH-PURITY FUSED SILICAS”, M. Stapelbroek, D. L. Griscom, E. J. Friebele and G. H. Sigel, Jr.Two distinct oxygen-associated trapped-hole centers (OHCs) are identified in samples of room-temperature γ-irradiated, high-purity fused silica. One, which we label the "wet" OHC, predominates in the high-OH-content (wet) silicas while the other, the "dry" OHC, is more... (Read more)
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