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- 1. Phys. Rev. B 74, 245201 (2006) , “Electrical resistivity and metal-nonmetal transition in n-type doped 4H-SiC”, Antonio Ferreira da Silva, Julien Pernot, Sylvie Contreras, Bo E. Sernelius, Clas Persson, and Jean CamasselThe electrical resistivity of 4H-SiC doped with nitrogen is analyzed in the temperature range 10–700 K for nitrogen concentrations between 3.5×1015 and 5×1019 cm−3. For the highest doped samples, a good agreement is found between the... (Read more)
- 2. Phys. Rev. B 74, 235434 (2006) , “Transport properties of n-type ultrananocrystalline diamond films”, I. S. Beloborodov, P. Zapol, D. M. Gruen, and L. A. CurtissWe investigate transport properties of ultrananocrystalline diamond films for a broad range of temperatures. Addition of nitrogen during plasma-assisted growth increases the conductivity of ultrananocrystalline diamond films by several orders of magnitude. We show that films produced at low... (Read more)
- 3. J. Appl. Phys. 87, 8773 (2000) , “Ionization energies and electron mobilities in phosphorus- and nitrogen- implanted 4H-silicon carbide”, M. A. Capano, J. A. Cooper, Jr., M. R. Melloch, A. Saxler, W. C. MitchelComparisons are made between the carrier concentrations, ionization energies, and electron mobilities in 4HSiC samples implanted with similar doses of nitrogen or phosphorus and annealed at 1300 or 1700 °C for 10 min in argon. The objective of the research is to determine which element may... (Read more)
- 4. J. Appl. Phys. 87, 3800 (2000) , “Photothermal ionization spectroscopy of shallow nitrogen donor states in 4H–SiC”, C. Q. Chen, J. Zeman, F. Engelbrecht, C. Pepperm?ller, R. Helbig, Z. H. Chen, G. MartinezPhotothermal ionization spectroscopy (PTIS) measurements were carried out on a free-standing, high purity and high quality 4HSiC epitaxial layer at various temperatures. The two step photothermal ionization process is clearly reflected in the temperature dependence of the photoconductivity.... (Read more)
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