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- 1. Phys. Rev. B 73, 235209 (2006) , “Temperature dependence of the vibrational spectrum of a Li-OH complex in ZnO: Infrared absorption experiments and theory”, Kevin R. Martin, Philip Blaney, Gang Shi, Michael Stavola, and W. Beall FowlerConsiderable interest has developed in the potential use of IIVI oxides as electronic and optical materials. In several cases, alkali atoms have been suggested as dopants. We report on the theoretical and experimental investigation of infrared and vibrational properties of a Li-OH complex in... (Read more)
- 2. 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)
- 3. Phys. Rev. Lett. 92, 47602 (2004) , “Overhauser Effect of 67Zn Nuclear Spins in ZnO via Cross Relaxation Induced by the Zero-Point Fluctuations of the Phonon Field”, Hubert Blok, Serguei B. Orlinski, Jan Schmidt, Pavel G. BaranovHole burning in and displacements of the magnetic-resonance absorption line of the electron spin of the shallow hydrogen-related donor in ZnO are observed upon resonant irradiation with microwaves at 275 GHz and at 4.5 K in a magnetic field of 10 T. These effects arise from an almost complete... (Read more)
- 4. Phys. Rev. Lett. 88, 45504 (2002) , “Hydrogen: A Relevant Shallow Donor in Zinc Oxide”, Detlev M. Hofmann, Albrecht Hofstaetter, Frank Leiter, Huijuan Zhou, Frank Henecker, Bruno K. Meyer, Sergei B. Orlinskii, Jan Schmidt, Pavel G. BaranovElectron paramagnetic resonance and Hall measurements show consistently the presence of two donors ( D1 and D2) in state-of-the-art, nominally undoped ZnO single crystals. Using electron nuclear double resonance it is found that D1 shows hyperfine interaction with more than 50 shells of surrounding... (Read more)
- 5. Solid State Commun. 26, 779-781 (1978) , “Motional effects in the EPR-spectrum of Cu-H-centers in ZnO”, D. ZwingelAt low temperatures, the EPR signal of a Cu2+ center is observed in ZnO single crystals doped both with copper and hydrogen. A clear effect of line narrowing on the copper hfs-lines is observed at T=16K. It is discussed in the model of a Cu-(OH) complex taking into account the thermally induced... (Read more)
- 6. Solid State Commun. 15, 1475-1479 (1974) , “Optical and paramagnetic properties of ZnO-Crystals simultaneously doped with copper and hydrogen”, E. Mollwo, G. Müller and D. ZwingelIn ZnO crystals, containing both Cu and H(D), we observe characteristic absorption peaks in the near i.r. and three new EPR signals. We explain these results by the formation of impurity complexes consisting of an OH center and one or two Cu ions. (Read more)
- 7. J. Catalysis 12, 278-280 (1968) , “An ESR investigation of nitrobenzene adsorbed on zinc oxide”, V. V. Subba Rao, R. D. Iyengar and A. C. ZettlemoyerAn ESR study of the interaction of nitrobenzene with nonstoichiometric ZnO surfaces was made. A 3-line spectrum with g values 1.9840, 2.0055 and 2.0225 was observed and was identified as due to nitrobenzene anion radicals strongly held to the surface. An unidentified signal at g = 2.0050 was left... (Read more)
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