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- 1. Appl. Phys. Lett. 91, 122109 (2007) , “Determining the defect parameters of the deep aluminum-related defect center in silicon”, Philipp Rosenits, Thomas Roth, Stefan W. Glunz, and Svetlana BeljakowaThrough a combined application of two characterization methods, deep-level transient spectroscopy and lifetime spectroscopy, the lifetime-limiting defect level in intentionally aluminum-contaminated Czochralski silicon has been analyzed and a complete set of defect parameters could be obtained. This... (Read more)
- 2. Appl. Phys. Lett. 88, 253504 (2006) , “Single silicon vacancy-oxygen complex defect and variable retention time phenomenon in dynamic random access memories”, T. Umeda, K. Okonogi, K. Ohyu, S. Tsukada, K. Hamada, S. Fujieda, and Y. MochizukiThe variable retention time phenomenon has recently been highlighted as an important issue in dynamic random access memory (DRAM) technology. Based on electrically detected magnetic resonance and simulation studies, we suggest that a single Si vacancy-oxygen complex defect is responsible for this... (Read more)
- 3. J. Appl. Phys. 99, 011101 (2006) , “Degradation of hexagonal silicon-carbide-based bipolar devices”, M. Skowronski and S. HaOnly a few years ago, an account of degradation of silicon carbide high-voltage p-i-n diodes was presented at the European Conference on Silicon Carbide and Related Compounds (Kloster Banz, Germany, 2000). This report was followed by the intense effort of multiple groups... (Read more)
- 4. Microelectron. Reliability 45, 71 (2005) , “A comprehensive model of PMOS NBTI degradation ”,Negative bias temperature instability has become an important reliability concern for ultra-scaled Silicon IC technology with significant implications for both analog and digital circuit design. In this paper, we construct a comprehensive model for NBTI phenomena within the framework of the standard reaction–diffusion model. We demonstrate how to solve the reaction–diffusion equations in a way that emphasizes the physical aspects of the degradation process and allows easy generalization of the existing work. We also augment this basic reaction–diffusion model by including the temperature and field-dependence of the NBTI phenomena so that reliability projections can be made under arbitrary circuit operating conditions. (Read more)
- 5. J. Vac. Sci. Technol. B 22, 120-125 (2004) , “Properties of Fe-doped semi-insulating GaN structures”, A. Y. Polyakov, N. B. Smirnov, A. V. Govorkov, S. J. PeartonThe properties of semi-insulating GaN films with the lower part of the film doped with Fe are reported. The 300 K sheet resistivity of the films was 2×1010 /square with an activation energy of the dark conductivity of 0.5 eV. The Fermi level is also pinned at... (Read more)
- 6. Phys. Rev. B 62, 12888-12895 (2000) , “Tungsten in silicon carbide:?Band-gap states and their polytype dependence”, N. Achtziger, G. Pasold, R. Sielemann, C. Hülsen, J. Grillenberger, and W. WitthuhnBand-gap states of tungsten in silicon carbide (polytypes 4H, 6H, and 15R) are investigated by deep-level transient spectroscopy (DLTS) and admittance spectroscopy on n-type SiC. Doping with W is done by ion implantation and annealing. To establish a definite chemical identification of band-gap... (Read more)
- 7. Jpn. J. Appl. Phys. 37, 1939-1944 (1999) , “Role of the EL2 Center on the Formation of Metastable Hydrogen-related Defects (M3/M4) in n-GaAs”, T. Shinagawa, T. OkumuraHydrogen-related metastable defects (M3/M4) in n-GaAs were studied in relation to the EL2 center. We found that the M3/M4 defects were observed only in the crystals containing the EL2 center in the as-grown state after exposure to a hydrogen plasma. The EL3 level, which was tentatively assigned as... (Read more)
- 8. Mater. Res. Soc. Symp. Proc. 573, 107 (1999) , “ELECTRICAL AND OPTICAL STUDY OF CHARGE TRAPS AT PASSIVATED GaAs SURFACES”, Y. Mochizuki
- 9. Jpn. J. Appl. Phys. 34, 5483-5488 (1995) , “Effects of Grown-in Hydrogen on Lifetime of Czochralski Silicon Crystals ”, Akito HaraI studied the effects of grown-in hydrogen on the lifetime of Czochralski-grown silicon crystals. It was found that grown-in hydrogen degraded the electrical properties of Czochralski-grown silicon crystals by enhancing the formation of recombination centers, which had a high thermal stability... (Read more)
- 10. Appl. Phys. Lett. 49, 348-350 (1986) , “Interface traps and Pb centers in oxidized (100) silicon wafers”, G. J. Gerardi, E. H. Poindexter, P. J. Caplan, N. M. JohnsonThe band-gap energy distribution of Pb centers on oxidized (100) Si wafers has been determined and compared with interface electrical trap density Dit. Two different Pb centers are observed on (100) Si: Pb0,... (Read more)
- 11. 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)
- 12. J. Appl. Phys. 56, 2844-2849 (1984) , “Electronic traps and Pb centers at the Si/SiO2 interface: Band-gap energy distribution”, E. H. Poindexter, G. J. Gerardi, M. -E. Rueckel, P. J. Caplan, N. M. Johnson, D. K. BiegelsenEnergy distribution of Pb centers (·SiSi3) and electronic traps (Dit) at the Si/SiO2 interface in metal-oxide-silicon (MOS) structures was examined by electric-field-controlled electron paramagnetic resonance (EPR)... (Read more)
- 13. Appl. Phys. A 30, 1 (1983) , “Transition Metals in Silicon”, E. R. Weber.A review is given on the diffusion, solubility and electrical activity of 3d transition metals in silicon. Transition elements (especially, Cr, Mn, Fe, Co, Ni, and Cu) diffuse interstitially and stay in the interstitial site in thermal equilibrium at the diffusion temperature. The parameters of the liquidus curves are identical for the Si:Ti — Si:Ni melts, indicating comparable silicon-metal interaction for all these elements. Only Cr, Mn, and Fe could be identified in undisturbed interstitial sites after quenching, the others precipitated or formed complexes. The 3d elements can be divided into two groups according to the respective enthalpy of formation of the solid solution. The distinction can arise from different charge states of these impurities at the diffusion temperature. For the interstitial 3d atoms remaining after quenching, reliable energy levels are established from the literature and compared with recent calculations. (Read more)
- 14. Appl. Phys. Lett. 43, 563-565 (1983) , “Characteristic electronic defects at the Si-SiO2 interface”, N. M. Johnson, D. K. Biegelsen, M. D. Moyer, S. T. Chang, E. H. Poindexter, P. J. CaplanOn unannealed, thermally oxidized silicon, electron spin resonance reveals an oriented interface defect which is termed the Pb center and identified as the trivalent silicon defect. Deep level transient spectroscopy (DLTS) reveals two broad characteristic peaks in the... (Read more)
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