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- 1. J. Appl. Phys. 30, 1195 (1959) , “Paramagnetic Resonance in Electron Irradiated Silicon”, G. Bemski.Electron spin resonance has been observed in n-type silicon irradiated with 0.5-Mev electrons. The particular resonance lines discussed here appear only in pulled crystals which contain about 1018 oxygen atoms per cm3. The lines do not appear in floating zone crystals... (Read more)Si| EPR electron-irradiation| A Oxygen Silicon pair(=2) vacancy .inp files: Si/V-O | last update: Takahide Umeda
- 2. Phys. Rev. Lett. 7, 314 (1961) , “Silicon Divacancy and Its Direct Production by Electron Irradiation”, J. W. Corbett and G. D. WatkinsTo date two defects produced in radiation damage of silicon hava been identified.These defects are a vacancy-oxygeon pair and a vacancy-phosphorous pair. They were identified largely by their associated electron spin resonance spectra and have been labeled the Si-A and Si-E... (Read more)Si| EPR electron-irradiation| G6 Silicon pair(=2) vacancy .inp files: Si/V2+ | last update: Takashi Fukushima
- 3. Phys. Rev. 121, 1001 (1961) , “Defects in Irradiated Silicon. I. Electron Spin Resonance of the Si-A Center”, G. D. Watkins, J. W. Corbett.The Si-A center is a major, radiation-damage defect produced in "pulled" silicon by a room temperature irradiation. As a result of studies described in this paper (I), and the following one (II), it is concluded that this center is a lattice vacancy with an oxygen atom impurity bridging two of the... (Read more)
- 4. Phys. Rev. 132, 648 (1963) , “Spin-1 Centers in Neutron-Irradiated Silicon”, Wun Jung and G. S. NewellElectron paramagnetic resonance was used to study a number of fast-neutron-induced defects formed in pile-irradiated silicon and to follow their concentrations as a function of annealing. Measurements were made at 300, 77, and 4.2°K on samples which had attained intrinsic resistivity during... (Read more)
- 5. J. Phys. Soc. Jpn. sppl. II, 18, 22 (1963) , “An EPR Study of the Lattice Vacancy in Silicon”, G. D. Watkins.An EPR spectrum is observed in silicon which is identified as arising from the isolated lattice vacancy. It is observed in p-type silicon which has been irradiated in situ at~40ºK by 1.5 Mev electrons. A simple molecular orbital treatment of the vacancy is outlined which describes many of the features of the spectrum and predicts the observed anisotrophy as resulting from a Jahn-Teller distortion. Studies of the disappearance of the vacancy vs anneal are described and interpreted in terms of long range migration of the vacancy and subsequent trapping by other defects. The activation energy for vacancy motion is determined to be 0.33±.03 ev in p-type material. Further study is required in n-type silicon before an unambiguous interpretation of the emergence of vacancy-impurity pairs can be made.
- 6. Phys. Rev. 134, A1359 (1964) , “Defects in Irradiated Silicon: Electron Paramagnetic Resonance and Electron-Nuclear Double Resonance of the Si-E Center”, G. D. Watkins, J. W. Corbett.The Si-E center is one of the dominant defects produced by electron irradiation in phosphorus-doped vacuum floating zone silicon. It introduces an acceptor level at ?(Ec-0.4) eV and gives rise to an electron paramagnetic resonance when this level does not contain an electron. As a result... (Read more)
- 7. Phys. Rev. 135, A1381-A1385 (1964) , “New Oxygen Infrared Bands in Annealed Irradiated Silicon”, J. W. Corbett, G. D. Watkins, and R. S. McDonaldInfrared and electron-spin-resonance measurements on the recovery of silicon irradiated with 1.5-MeV electrons are presented. In the infrared measurements the disappearance of the previously reported 829-cm-1 (12?) oxygen vibration band is followed, and the appearance and subsequent... (Read more)
- 8. Radiation Damage in Semiconductors 97-113 (1965) , Dunod, Paris , “A Review of EPR Studies in Irradiated Silicon”, G. D. Watkins.1. INTRODUCTION (p.97): 2. THE EPR EXPERIMENT (p.97): 3. RESULTS (p.99): A. The lattice Vacancy (p.99), B. Vacancies Trapped by Other Defects (p.102), C. Vacancy Motion (p.103), D. Interstitial Defects (p.103), E. Other Spectra (p.105), 4. SUMMARY AND CONCLUSION (p.110): 5.ACKNOWLEDGMENTS (p.110):
- 9. Phys. Rev. 138, A543 (1965) , “Defects in Irradiated Silicon: Electron Paramagnetic Resonance of the Divacancy”, G. D. Watkins and J. W. CorbettTwo electron paramagnetic resonance spectra produced in silicon by 1.5-MeV electron irradiation are described. Labeled Si-G6 and Si-G7, they are identified as arising from the singly positive and singly negative charged states of the divacancy, respectively. The observed hyperfine interactions with... (Read more)
- 10. Phys. Rev. 138, A555 (1965) , “Production of Divacancies and Vacancies by Electron Irradiation of Silicon”, J. W. Corbett and G. D. WatkinsA study is described of the dependence of the room-temperature production of divacancies and vacancies in silicon upon the energy of the bombarding electrons over the range 0.7-56 MeV. For the divacancy, the Si-G6 electron-paramagnetic-resonance spectrum associated with the singly positively charged... (Read more)
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