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- 1. Appl. Phys. Lett. 89, 112903 (2006) , “Effect of impurities on the fixed charge of nanoscale HfO2 films grown by atomic layer deposition”, Raghavasimhan Sreenivasan, Paul C. McIntyre, Hyoungsub Kim, and Krishna C. SaraswatHfO2 films were grown by atomic layer deposition using two different precursor chemistries—HfCl4 and tetrakis(diethylamido)hafnium (TDEAH) with H2O as the oxidant. Electrical measurements on capacitor structures fabricated using the films showed a 0.4 V... (Read more)
- 2. J. Appl. Phys. 99, 053502 (2006) , “Spectroscopic analysis of defects in chlorine doped polycrystalline CdTe”, V. Consonni, G. Feuillet, and S. RenetThe effects of Cl doping of thick polycrystalline CdTe layers grown by close space sublimation on their crystalline structure and the compensation and passivation processes have been investigated. From an extensive low temperature photoluminescence study, it is shown that, in polycrystalline... (Read more)
- 3. Phys. Rev. B 74, 174101 (2006) , “First-principles study of the intrinsic defects in PbFCl”, Bo Liu, Zeming Qi, and Chaoshu ShiFirst-principles pseudopotential calculations have been performed to investigate intrinsic defects including vacancies, interstitials, antisite defects, as well as Schottky and Frenkel defects in PbFCl crystals. For the isolated vacancies and interstitials, their formation energies are critically... (Read more)
- 4. Phys. Rev. B 73, 184122 (2006) , “Off-center instability in SrCl2:Fe+: Role of unoccupied 4p orbitals”, P. García-Fernández, J. A. Aramburu, M. T. Barriuso, and M. MorenoRecent electron nuclear double resonance experiments on the Fe(II) center in SrCl2:Fe+ have unambiguously demonstrated that an isolated Fe+ impurity (without any close defect) undergoes a big off-center motion along 001 type directions. As Fe+ in... (Read more)
- 5. Phys. Rev. B 73, 174103 (2006) , “Electron-trapping centers and interstitials in chlorinated SrCl2:Fe single crystals”, D. Ghica, S. V. Nistor, E. Goovaerts, D. Schoemaker, H. Vrielinck, and F. CallensElectron-trapped Fe+-type centers, produced by x-ray irradiation at 80 K and further annealing at higher temperatures in iron-doped SrCl2 single crystals grown in chlorine gas, have been investigated by electron paramagnetic resonance. The Fe+(III) and... (Read more)
- 6. 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
- 7. 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)
- 8. Surf. Sci. 13, 251-262 (1969) , “ESR studies of the interaction of O2, NO2, N2O, NO and Cl2 with zinc oxide”, R. D. Iyengar, V. V. Subba Rao , A. C. ZettlemoyerAn electron spin resonance study of the surface interaction of zinc oxide with oxygen, oxides of nitrogen (NO2, NO and N2O) and chlorine was made. Characteristic spectra obtained following adsorption of NO2 and NO were analyzed and attributed to rigidly adsorbed neutral molecules. Confirmation of... (Read more)
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