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- 21. Appl. Phys. Lett. 88, 162117 (2006) , “Electric-field-induced charge noise in doped silicon: Ionization of phosphorus donors”, A. J. Ferguson, V. C. Chan, A. R. Hamilton, and R. G. ClarkWe report low-frequency charge noise measurement on silicon substrates with different phosphorus doping densities. The measurements are performed with aluminum single electron transistors (SETs) at millikelvin temperatures where the substrates are in the insulating regime. By measuring the SET... (Read more)
- 22. Appl. Phys. Lett. 88, 092108 (2006) , “Hydrogen passivation of carbon Pb like centers at the 3C- and 4H-SiC/SiO2 interfaces in oxidized porous SiC”, J. L. Cantin, H. J. von Bardeleben, Yue Ke, R. P. Devaty, W. J. ChoykeThe effect of forming gas and vacuum annealing on the concentration of carbon dangling bond (PbC) centers at 3C- and 4H-SiC/SiO2 interfaces has been studied by electron paramagnetic resonance (EPR) spectroscopy. Our results show efficient passivation at 400 °C and... (Read more)
- 23. Appl. Phys. Lett. 88, 052110 (2006) , “Lifetime-limiting defects in n– 4H-SiC epilayers”, P. B. Klein, B. V. Shanabrook, S. W. Huh, A. Y. Polyakov, M. Skowronski, J. J. Sumakeris, M. J. O'LoughlinLow-injection minority carrier lifetimes (MCLs) and deep trap spectra have been investigated in n 4H-SiC epilayers of varying layer thicknesses, in order to enable the separation of bulk lifetimes from surface recombination effects. From the linear dependence of the inverse... (Read more)
- 24. J. Appl. Phys. 100, 113728 (2006) , “Investigation of deep levels in n-type 4H-SiC epilayers irradiated with low-energy electrons”, Katsunori Danno and Tsunenobu KimotoDeep levels in n-type 4H-SiC epilayers have been investigated by deep level transient spectroscopy (DLTS). The Z1/2 and EH6/7 centers are dominant in as-grown samples. After electron irradiation at 116 keV, by which only carbon atoms may be displaced, the... (Read more)
- 25. J. Appl. Phys. 100, 043706 (2006) , “Electrical properties of unintentionally doped semi-insulating and conducting 6H-SiC”, W. C. Mitchel, W. D. Mitchell, Z. Q. Fang, D. C. Look, S. R. Smith, H. E. Smith, Igor Khlebnikov, Y. I. Khlebnikov, C. Basceri, and C. BalkasTemperature dependent Hall effect (TDH), low temperature photoluminescence (LTPL), secondary ion mass spectrometry (SIMS), optical admittance spectroscopy (OAS), and thermally stimulated current (TSC) measurements have been made on 6H-SiC grown by the physical vapor transport technique... (Read more)
- 26. J. Appl. Phys. 100, 023709 (2006) , “Effect of threading dislocation density on Ni/n-GaN Schottky diode I-V characteristics”, A. R. Arehart, B. Moran, J. S. Speck, U. K. Mishra, S. P. DenBaars, and S. A. RingelThe impact of threading dislocation density on Ni/n-GaN Schottky barrier diode characteristics is investigated using forward biased current-voltage-temperature (I-V-T) and internal photoemission (IPE) measurements. Nominally, identical metal-organic chemical vapor... (Read more)
- 27. J. Appl. Phys. 100, 023704 (2006) , “Transformation behavior of room-temperature-stable metastable defects in hydrogen-implanted n-type silicon studied by isothermal deep-level transient spectroscopy”, Yutaka TokudaIsothermal deep-level transient spectroscopy (DLTS) with a single pulse has been used to study the transformation behavior of hydrogen-related metastable defects labeled EM1 (Ec0.28 eV) and EM2 (Ec0.37 eV), which are observed in... (Read more)
- 28. J. Appl. Phys. 99, 123717 (2006) , “Identification of sulfur double donors in 4H-, 6H-, and 3C-silicon carbide”, S. A. Reshanov, G. Pensl, H. Nagasawa, and A. SchönerSulfur ions are implanted into 6H-, 4H-, and 3C-SiC. Admittance and double correlated deep level transient spectroscopy investigations reveal that S atoms form double donors in SiC, which reside on lattice sites. The number of double donors observed corresponds to the number of... (Read more)
- 29. J. Appl. Phys. 99, 093511 (2006) , “Primary photoluminescence in as-neutron (electron) -irradiated n-type 6H-SiC”, Z. Q. Zhong, D. X. Wu, M. Gong, O. Wang, S. L. Shi, S. J. Xu, X. D. Chen, C. C. Ling, S. Fung, C. D. Beling, G. Brauer, W. Anwand, and W. SkorupaLow-temperature photoluminescence spectroscopy has revealed a series of features labeled S1, S2, S3 in n-type 6H-SiC after neutron and electron irradiation. Thermal annealing studies showed that the defects S1,... (Read more)
- 30. J. Appl. Phys. 99, 013515 (2006) , “Defects and electrical behavior in 1 MeV Si+-ion-irradiated 4H–SiC Schottky diodes”, F. Roccaforte, S. Libertino, V. Raineri, A. Ruggiero, V. Massimino, and L. CalcagnoIn this paper, the formation and evolution of defects induced by ion irradiation with 1 MeV Si+ ions in Ni2Si/4HSiC Schottky diodes were studied and correlated with the electrical properties of the contacts. The current-voltage characteristics of the contacts... (Read more)
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