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- 1. Phys. Rev. B 75, 075202 (2007) , “Theoretical study of Li and Na as n-type dopants for diamond”, J. P. Goss and P. R. BriddonPhosphorus is the n-type dopant of choice for diamond, but results in a deep donor level and alternatives are being sought. One possibility is the incorporation of interstitial alkali metal impurities such as Li and Na. We present the results of density-functional calculations used to predict... (Read more)
- 2. Appl. Phys. Lett. 88, 261102 (2006) , “Light-emitting defects and epitaxy in alkali-ion-implanted α quartz”, J. Keinonen, S. Gsiorek, P. K. Sahoo, S. Dhar, and K. P. LiebLight-emitting centers in alkali-ion-implanted quartz have been investigated with respect to the solid phase epitaxial growth of the ion irradiation induced amorphous zone. Cathodoluminescence was studied under the conditions of chemical epitaxy in annealing the samples, implanted with... (Read more)
- 3. Phys. Rev. B 74, 193405 (2006) , “Role of charge in destabilizing AlH4 and BH4 complex anions for hydrogen storage applications: Ab initio density functional calculations”, A. J. Du, Sean C. Smith, and G. Q. LuNaAlH4 and LiBH4 are potential candidate materials for mobile hydrogen storage applications, yet they have the drawback of being highly stable and desorbing hydrogen only at elevated temperatures. In this letter, ab initio density functional theory calculations reveal... (Read more)
- 4. Solid State Commun. 14, 45-49 (1974) , “Paramagnetic and optical properties of Na-doped ZnO single crystals”, D. Zwingel and F. GärtnerESR-spectra of Na-doped ZnO single crystals are reported, caused by a hole trapped at the Na+ center. The isotropic part of the HFS is positive. An emission, due to recombination at the center, is reported, polarized c and peaked at 570 nm. The influence of covalent bonding is discussed. (Read more)
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Updated at 2010-07-20 16:50:39
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