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Nitrogen donors in 6H-, 4H- and 3C-SiC were investigated using conventional electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR) and the experimental results are discussed. An attempt is presented to interpret the experimentally found large differences in hyperfine... (Read more)
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Investigations 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)
- 3. Solid State Commun. 7, ii-iii (1969) , “ESR-resonance in doped GaAs and GaP”, S. Haraldson , C-G RibbingESR-signals from GaP:Sn, GaP:Si and GaAs:Si, GaAs:Te are reported. GaP:Sn crystals give two Isotropie signals. The larger one of them with g-value 1.998 is attributed to bound donor electrons. No definite conclusion about the origin of the other line with g = 2.131 is presented. The system... (Read more)
- 4. Solid State Commun. 61, 199 (1987) , “An EPR study on a new triclinic symmetry defect in neutron-irradiated FZ-silicon”, Wu En, Wu Shu-xian, Mao Jin-Chang, Yan Mao-Xun and Qin Guo-gangA new defect, labled as Si-PK1, has been observed with EPR (Electron Paramagnetic Resonance) in neutron irradiated FZ-Si grown in argon, hydrogen and vacuum. Its symmetry has been determined to be triclinic symmetry, the lowest possible symmetry. Si-PK1 has not been observed in CZ-Si. It is not related to any common impurities in Si, like oxygen, carbon, phosphorus and boron, and it should be an intrinsic defect. Combining with the empirical classification of g tensor, it is concluded that Si-PK1 may be a multi-vacancy cluster.
- 5. Physica B 170, 155 (1991) , “Electron paramagnetic resonance of hydrogen in silicon ”, Yu.V.Gorelkinskii, N.N.NevinnyiA review of the investigations by means of electron paramagnetic resonance (EPR) of hydrogen and hydrogen-related defects in crystalline silicon is presented. The main features of the EPR center Si-AA9 (bond-centered hydrogen), which is known as the hydrogenic analogue of the anomalous muonium (Mu*) in silicon, are discussed. It was found that the process of annealing the AA9 center is characterized by an activation energy, E = 0.48 ± 0.04 eV with a second-order pre-exponential factor, K0 = (1.25 ± 2.5) × 10-7 cm3/s. A detailed investigation by EPR of the defect (Si-AA1), which we identify as the hydrogen-related shallow donor in a positive charge state, is also presented. In particular it is shown that the H-related shallow donor is a helium-like center and its wave function has C2v symmetry. Moreover, the main features of the series of EPR spectra in silicon characteristic for the implantation of hydrogen are presented.
- 6. Phys.Rev.Lett. 79, 1507 (1997) , “Identification of the Silicon Vacancy Containing a Single Hydrogen Atom by EPR”,he electron paramagnetic resonance spectrum of float-zone silicon recorded after implantation with protons contains a strongly temperature dependent signal from a vacancy-type defect. The signal displays monoclinic-I symmetry below 65 K and trigonal symmetry above 100 K. This symmetry change, together with a hyperfine splitting from a single proton, allows an unequivocal identification with VH0, the neutral charge state of a vacancy containing a single hydrogen atom. The striking similarity between the properties of VH0 and VP0 (the E center) corroborate our identification.
- 7. J. Appl. Phys. 81, 107 (1997) , “A comparison of boron and phosphorus diffusion and dislocation loop growth from silicon implants into silicon”, Jingwei XuTransient enhanced diffusion (TED) results from implantation damage creating enhanced diffusion of dopants in silicon. This phenomenon has mostly been studied using boron marker layers. We have performed an experiment using boron, phosphorus, and dislocation markers to compare TED effects. This... (Read more)
- 8. J. Appl. Phys. 81, 1180 (1997) , “Electronic defect levels in relaxed, epitaxial p-type Si1 – xGex layers produced by MeV proton irradiation”, E. V. Monakhov, A. Nylandsted Larsen, and P. KringhøjProton-irradiation-induced electronic defects in relaxed, epitaxial p-type Si1 xGex layers grown by molecular-beam epitaxy have been investigated by deep level transient spectroscopy (DLTS) for 0x0.25. Three dominating lines in the DLTS... (Read more)
- 9. J. Appl. Phys. 81, 146 (1997) , “Phase formation and stability of N + implanted SiC thin films”, R. CapellettiSilicon carbide amorphous thin films have been bombarded with 100 keV N ions. Infrared-absorption spectroscopy has been used to study the effect of increasing ion doses, up to 5 × 1017 N + cm 2, on the evolution of chemical bonding between Si, C, and N.... (Read more)
- 10. J. Appl. Phys. 81, 1645 (1997) , “Origin of infrared bands in neutron-irradiated silicon”, N. V. Sarlis, C. A. Londos, and L. G. FytrosInfrared absorption measurements were made of the localized vibrational modes due to defects produced in Czochralski-grown Si material after irradiation with fast neutrons and subsequent thermal treatments. The investigation was focused, in particular, on three satellite bands in the region of the A... (Read more)
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