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- 1. Phys. Rev. B 71, 115205 (2005) , “Origin of the 6885-cm–1 luminescence lines in ZnO: Vanadium versus copper”, L. S. Vlasenko, G. D. Watkins, R. HelbigOptical detection of electron paramagnetic resonance reveals the I=7/2 EPR spectrum of V2+ in the sharp photoluminescence (PL) lines often observed at ~6885 cm1 in ZnO, which have universally been assumed previously to arise from copper. An alternative model for... (Read more)
- 2. 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)
- 3. J. Non-Cryst. Solids 58, 165-178 (1983) , “Electron paramagnetic resonance of Cu2+ and V4+ ions in borate glasses”, L. D. Bogomolova , V. A. JachkinThe EPR spectra of Cu2+ and V4+ ions have been studied in binary RO---B2O3 glasses (where R = Ba, Sr, Pb and Zn) and in ternary PbO---ZnO---B2O3 glasses. The main results of an EPR study of alkali-borate glasses are briefly reviewed. Three distinct EPR spectra of Cu2+ ions in barium-borate glasses... (Read more)
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Updated at 2010-07-20 16:50:39
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