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- 1. Appl. Phys. Lett. 88, 112101 (2006) , “Electrical activation and electron spin coherence of ultralow dose antimony implants in silicon”, T. Schenkel, J. A. Liddle, A. Persaud, A. M. Tyryshkin, S. A. Lyon, R. de Sousa, K. B. Whaley, J. Bokor, J. Shangkuan, I. ChakarovWe implanted ultralow doses (2×1011 cm2) of antimony ions (121Sb) into isotopically enriched silicon (28Si) and find high degrees of electrical activation and low levels of dopant diffusion after rapid thermal annealing. Pulsed electron spin... (Read more)
- 2. Phys. Rev. Lett. 97, 176404 (2006) , “Stark Tuning of Donor Electron Spins in Silicon”, F. R. Bradbury, A. M. Tyryshkin, Guillaume Sabouret, Jeff Bokor, Thomas Schenkel, and S. A. LyonWe report Stark shift measurements for 121Sb donor electron spins in silicon using pulsed electron spin resonance. Interdigitated metal gates on a Sb-implanted 28Si epilayer are used to apply the electric fields. Two quadratic Stark effects are resolved: a decrease of the... (Read more)
- 3. Phys. Rev. B 47, 6363-6380 (1993) , “Electron paramagnetic resonance of multistable interstitial-carbonsubstitutional-group-V-atom pairs in silicon”, X. D. Zhan, G. D. WatkinsA total of five new electron paramagnetic resonance (EPR) centers are observed in electron-irradiated P-, As-, and Sb-doped silicon. Three are identified as arising from the neutral charge state of the stable configuration and two of the four metastable configurations of an... (Read more)
- 4. Phys. Rev. B 46, 12335 (1992) , “Microscopic mechanism of atomic diffusion in Si under pressure ”, Osamu Sugino and Atsushi OshiyamaWe have performed the first-principles total-energy calculations on the atomic diffusion of group-V impurities in Si, and have revealed the pressure effect on the activation energy of the diffusion. For the vacancy mechanism, the activation energies for P, As, and Sb decrease with pressure. For the... (Read more)
- 5. Phys. Rev. 174, 881 (1968) , “Defects in Irradiated Silicon: Electron Paramagnetic Resonance and Electron-Nuclear Double Resonance of the Arsenic- and Antimony-Vacancy Pairs”, Edward L. Elkin and G. D. WatkinsTwo EPR spectra are observed in irradiated silicon (designated Si-G23 and Si-G24) which are identified with the neutral charge states of a lattice vacancy adjacent to a substitutional arsenic or antimony atom, respectively. EPR and ENDOR studies reveal a high degree of similarity between these... (Read more)
- 6. Phys. Rev. 114, 1219 (1959) , “Electron Spin Resonance Experiments on Donors in Silicon. I. Electronic Structure of Donors by the Electron Nuclear Double Resonance Technique”, G. Feher.The ground-state wave function of the antimony, phosphorus, and arsenic impurities in silicon has been investigated by means of the electron nuclear double resonance (ENDOR) method. By this method the hyperfine interactions of the donor electron with the Si29 nuclei situated at different... (Read more)
- 7. Phys. Rev. 109, 1172 (1958) , “Hfs Anomaly of Sb121 and Sb123 Determined by the Electron Nuclear Double Resonance Technique”, J. Eisinger, G. Feher.The ratios of the hyperfine interaction constants "a" and the nuclear g factors of the stable isotopes of antimony have been measured. From these measurements the hyperfine structure anomaly, defined as ?=(a121/a123)(g123/g121)-1, was found to be... (Read more)
- 8. Solid State Physics 5, 258-319 (1957) , Academic Press, New York (Edited by F. Seitz, D. Turnbull) , “Shallow Impurity States in Silicon and Germanium”, W. KohnI. Introduction (p.258): II. Emprical Properties (p.261): 1. Energy Levels (p.261), a. Ionization Energies, b. Spectra of Excited States, 2. Spin Resonance (p.266), a. Electron Spin Resonance, b. Double Resonance, 3. Static Magnetic Susceptibility (p.271), III. Structure of Donor States (p.271): 4. Conduction Bands of Silicon and Germanium (p.271), a. Silicon, b. Germanium, 5. Effective Mass Theory of Donor States (p.274), a. Single Band Minimum at k=0, b. Several Conduction Band Minima, c. Matrix Elements for Radiative Transitions, 6. Numerical Results and Comparison with Experiments (p.285), a. Energy Levels, b. Wave Functions, 7. Corrections to the Effective Mass Formalism (p.289), a. General Considerations, b. Corrected Wave Functions, c. Comparison with Experiment, IV. Structure of Acceptor States (p.297): 8. Valence Bands of Silicon and Germanium (p.297), a. Silicon, b. Germanium, 9. Effective Mass Equations for Acceptor States (p.300), 10. Approximate Solutions and Comparison with Experiment (p.301) a. Germanium b. Silicon V.Effects of Strains and of Static Electric and Magnetic Fields (p.306): 11. Strains (p.306) a. Donor States, b. Acceptor States, 12. Stark Effect (p.311)
- 9. Phys. Rev. 98, 915 (1955) , “Theory of Donor States in Silicon”, W. Kohn, J. M. Luttinger.By using the recently measured effective masses for n-type Si, m1=0.98 m and m2=0.19 m, approximate solutions of the resulting effective mass Schroedinger equation are obtained. The accuracy of the solutions was tested in the limiting cases where... (Read more)
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