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- 1. phys. stat. sol. (a) 162, 95-151 (1997) , “EPR and ENDOR Investigations of Shallow Impurities in SiC Polytypes”, S. Greulich-WeberInvestigations of nitrogen donors in 6H-, 4H- and 3C-SiC using conventional electron paramagnetic resonance (EPR), electron nuclear double resonance (ENDOR) and optical detection of EPR and ENDOR as well as optical absorption and emission spectroscopy are reviewed and critically discussed. An... (Read more)
- 2. Phys. Rev. B 43, 6569 (1991) , “Optically detected magnetic resonance of dislocations in silicon”, V. Kveder, P. Omling, H. G. Grimmeiss, Yu. A. OsipyanThe observation of optically detected magnetic resonance (ODMR) signals directly correlated with dislocations in silicon is reported. The ODMR signals are identified as resonances from free electrons, dangling bonds, and quasifree holes bound to a one-dimensional potential in straight dislocations.... (Read more)
- 3. Phys. Rev. B 77, 195203 (2008) , “Creation and identification of the two spin states of dicarbon antisite defects in 4H-SiC”, J. W. Steeds, W. Sullivan, S. A. Furkert, G. A. Evans, P. J. WellmannThis paper deals with the positive identification by low-temperature photoluminescence microspectroscopy of the two spin states of the dicarbon antisites in 4H-SiC. The defects are created by high-dose electron irradiation at room temperature or by subsequent exposure to intense 325 nm radiation at... (Read more)
- 4. Phys. Rev. B 77, 195204 (2008) , “Identification of antisite carbon split-interstitial defects in 4H-SiC”, J. W. Steeds, W. SullivanA rich variety of optical centers with high energy local vibrational modes has been found in electron-irradiated 4H-SiC in both the as-irradiated and annealed states. These energies have been measured and the annealing dependence of the optical centers has been investigated by low-temperature... (Read more)
- 5. Appl. Phys. Lett. 89, 262118 (2006) , “p-type conductivity and donor-acceptor pair emission in Cd1−xFexS dilute magnetic semiconductors”, X. J. Wu, D. Z. Shen, Z. Z. Zhang, J. Y. Zhang, K. W. Liu, B. H. Li, Y. M. Lu, D. X. Zhao, and B. YaoCd1−xFexS thin films with different Fe contents were grown on c-plane sapphire by low-pressure metal organic chemical vapor deposition. The resistivity of the thin films was found to increase with the addition of more Fe contents into the... (Read more)
- 6. J. Appl. Phys. 100, 043706 (2006) , “Electrical properties of unintentionally doped semi-insulating and conducting 6H-SiC”, W. C. Mitchel, W. D. Mitchell, Z. Q. Fang, D. C. Look, S. R. Smith, H. E. Smith, Igor Khlebnikov, Y. I. Khlebnikov, C. Basceri, and C. BalkasTemperature dependent Hall effect (TDH), low temperature photoluminescence (LTPL), secondary ion mass spectrometry (SIMS), optical admittance spectroscopy (OAS), and thermally stimulated current (TSC) measurements have been made on 6H-SiC grown by the physical vapor transport technique... (Read more)
- 7. Phys. Rev. B 73, 161201(R) (2006) , “Thermally stable carbon-related centers in 6H-SiC: Photoluminescence spectra and microscopic models”, A. Mattausch, M. Bockstedte, O. Pankratov, J. W. Steeds, S. Furkert, J. M. Hayes, W. Sullivan, N. G. WrightRecent ab initio calculations [Mattausch et al., Phys. Rev. B 70, 235211 (2004)] of carbon clusters in SiC reveal a possible connection between the tricarbon antisite (C3)Si and the U photoluminescence center in 6H-SiC [Evans et al., Phys. Rev. B 66, 35204... (Read more)
- 8. Phys. Rev. B 62, 16572 (2000) , “Magneto-optical studies of the 0.88-eV photoluminescence emission in electron-irradiated GaN”, Mt. Waganer, I. A. Buyanova, N. Q. Thinh, W. M. Chen, B. Monemar, J. L. Lindstr?m, H. Amano, I. AkasakiProperties of the 0.88-eV photoluminescence (PL) in electron-irradiated wurtzite GaN have been investigated in detail by a combination of various magneto-optical techniques, including Zeeman measurements of PL, optically detected magnetic resonance (ODMR), and level anticrossing (LAC). ODMR... (Read more)
- 9. Phys. Rev. B 65, 85312 (2002) , “Magnetic resonance studies of Mg-doped GaN epitaxial layers grown by organometallic chemical vapor deposition”, E. R. Glaser, W. E. Carlos, G. C. B. Braga, J. A. Freitas Jr, W. J. Moore, B. V. Shanabrook, R.L. Henry, A. E. Wickenden, D. D. Koleske, H.Obloh, P. Kozodoy, S. P. DenBaars, U. K. MishraElectron paramagnetic resonance (EPR) and optically detected magnetic resonance (ODMR) experiments have been performed on a set of GaN epitaxial layers doped with Mg from 2.5?1018 to 5.0?1019 cm-3. The samples were also characterized by secondary-ion-mass... (Read more)
- 10. Phys. Rev. B 65, 205202 (2002) , “Defects observed by optical detection of electron paramagnetic resonance in electron-irradiated p-type GaN”, L. S. Vlasenko, C. Bozdog, G. D. Watkins, F. Shahedipour, B. W. WesselsIrradiation of p-type (Mg-doped) GaN in situ at 4.2 K by 2.5 MeV electrons reduces the visible luminescence and creates a broad luminescence band in the infrared at ?0.95?eV. Upon annealing at 180 K, partial recovery of the visible luminescence occurs and a well resolved S=1 center is observed by... (Read more)
- 11. Phys. Rev. B 7, 4547 (1973) , “Raman Scattering and Photoluminescence in Boron-Doped and Arsenic-Doped Silicon”, J. M. Cherlow, R. L. Aggarwal, and B. LaxThe deformation potentials and g values of the ground state of the boron acceptor in silicon have been determined from a study of the stress and Zeeman splitting of the electronic Raman scattering in this material. The stress splitting of the Raman line results from a twofold splitting of the... (Read more)
- 12. Phys. Rev. B 69, 035205 (2004) , “Metastable and nonmetastable recombination-induced defect reactions involving a hydrogen complex with a silicon vacancy in SiC”, Yaroslav KoshkaThe nontrivial recombination-induced behavior of the well-known low-temperature photoluminescence of the hydrogen complex with a silicon vacancy (VSi-H) has been previously reported by different authors. It was known to be limited to the metastable quenching and/or growth. In this... (Read more)
- 13. Phys. Rev. Lett. 91, 109601 (2003) , “Comment on "Identification of Lattice Vacancies on the Two Sublattices of SiC"”, J. W. SteedsA Comment on the Letter by A. A. Rempel et al., Phys. Rev. Lett. 89, 185501 (2002). The authors of the Letter offer a Reply.... (Read more)
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