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- 21. J. Appl. Phys. 99, 103502 (2006) , “Correlation of Mn local structure and photoluminescence from CdS:Mn nanoparticles”, Huijuan Zhou, Detlev M. Hofmann, Helder R. Alves, and Bruno K. MeyerThe structure and luminescence properties of Mn2+ in CdS nanoparticles are studied. Electron paramagnetic resonance measurements show the existence of three distinct Mn2+ centers with different local structures in CdS nanocrystals: Mn ions substitutionally incorporated on Cd... (Read more)
- 22. J. Appl. Phys. 99, 064501 (2006) , “Effects of x-ray irradiation on polycrystalline silicon, thin-film transistors”, Yixin Li, Larry E. Antonuk, Youcef El-Mohri, Qihua Zhao, Hong Du, Amit Sawant, and Yi WangThe effects of x-ray irradiation on the transfer and noise characteristics of excimer-laser-annealed polycrystalline silicon (poly-Si) thin-film transistors (TFTs) have been examined at dose levels up to 1000 Gy. Parameters including mobility, threshold voltage, subthreshold swing, and leakage... (Read more)
- 23. 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)
- 24. 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)
- 25. Phys. Rev. B 74, 174115 (2006) , “Modeling of damage generation mechanisms in silicon at energies below the displacement threshold”, Iván Santos, Luis A. Marqués, and Lourdes PelazWe have used molecular dynamics simulation techniques to study the generation of damage in Si within the low-energy deposition regime. We have demonstrated that energy transfers below the displacement threshold can produce a significant amount of damage, usually neglected in traditional radiation... (Read more)
- 26. Phys. Rev. B 74, 045204 (2006) , “Donor-acceptor pairs in the confined structure of ZnO nanocrystals”, Serguei B. Orlinskii, Hubert Blok, and Jan SchmidtThe electron paramagnetic resonance signal of an exchange-coupled pair consisting of a shallow interstitial Li donor and a deep Na-related acceptor has been identified in ZnO nanocrystals with radii smaller than 1.5 nm. From electron nuclear double resonance experiments it is concluded that the... (Read more)
- 27. Phys. Rev. B 73, 195204 (2006) , “Hydrogen migration in single crystal and polycrystalline zinc oxide”, N. H. NickelHydrogen diffusion in single crystal and polycrystalline zinc oxide was investigated by deuterium diffusion and hydrogen effusion experiments. Deuterium concentration depth profiles were measured as a function of the passivation temperature, while in H effusion experiments the molecular hydrogen... (Read more)
- 28. Phys. Rev. B 73, 184105 (2006) , “Iron-oxygen vacancy defect association in polycrystalline iron-modified PbZrO3 antiferroelectrics: Multifrequency electron paramagnetic resonance and Newman superposition model analysis”, Hrvoje Metri, Rüdiger-A. Eichel, Klaus-Peter Dinse, Andrew Ozarowski, Johan van Tol, Louis Claude Brunel, Hans Kungl, Michael J. Hoffmann, Kristin A. Schönau, Michael Knapp, and Hartmut FuessBy utilizing multifrequency electron paramagnetic resonance (EPR) spectroscopy, the iron functional center in Fe3+-modified polycrystalline lead zirconate (PbZrO3) was studied. The single phase polycrystalline sample remained orthorhombic and antiferroelectric down to 20 K as... (Read more)
- 29. Appl. Phys. Lett. 87, 223111 (2005) , “Time-resolved photoluminescence from ZnO nanostructures”, W. M. Kwok, A. B. Djuri?i?, Y. H. Leung, W. K. Chan, D. L. PhillipsDifferent ZnO nanostructures (tetrapods, shells, rods, and highly faceted rods) were characterized by photoluminescence (PL) and time-resolved PL measurements. It was found that different nanostructures exhibit very different optical properties in terms of defect emission and decay times of the... (Read more)
- 30. Chem. Phys. Lett. 415, 337 (2005) , “No ferromagnetism in Mn doped ZnO semiconductors”, J. Alaria, P. Turek, M. Bernard, M. Bouloudenine, A. Berbadj, N. Brihi, G. Schmerber, S. Colis , A. DiniaPolycrystalline Zn1 − xMnxO was synthesized by co-precipitation method with xvarying between 0.01 and 0.10. Although X-ray diffraction patterns show a typical würtzite structure with no additional peaks for all samples, Raman spectroscopy indicates the appearance of an additional mode in... (Read more)
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Updated at 2010-07-20 16:50:39
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