Fredy R. Zypman Ellauri 717, Montevideo Tel 70 03 25 EDUCACION PhD Physics, Case Western Reserve University (CWRU), Cleveland. Ohio 1988 Robert W. Brown, E. Mark Haacke MSc Physics, Case Western Reserve University (CWRU), Cleveland, Ohio, 1987 Robert W. Brown, E. Mark Haacke Licenciatura F¡sica, Universidad Sim¢n Bol¡var, Caracas, Venezuela, 1985 Carlos Aragone Bachiller en Ciencias B sicas de Ingenier¡a, Universidad de la Rep£blica, Montevideo, Uruguay, 1982 CARGO Grado 5 Instituto de Fisica, Facultad de Ciencias Ingreso Noviembre 1996 Contratado DT RECONOCIMIENTOS: "For excellence in NASA Research" NASA 1994 "For Contributions to NASA Research" NASA 1994 SPA Award NSF 1994 "For excellence in NASA Research" NASA 1995 "For Contributions to NASA Research" NASA 1995 SPA Award NSF 1996 EXPERIENCIA: 1994-present Associate Professor, University of Puerto Rico at Humacao, Department of Physics and Electronics, Humacao, Puerto Rico. 1991-1994 Assistant Professor, University of Puerto Rico at Humacao, Department of Physics and Electronics, Humacao, Puerto Rico. 1988-1990 Post Doctoral Associate, Department of Electrical Engineering and Department of Physics, University of North Carolina, Charlotte 1) "Molecular Beam Epitaxial; III-V Growth of Microstructures", 2) "Transport in Quantum Devices and, 3) Strain in Quantum Wells" 1988 Consultant, Picker International, Ohio "Study of Viability of Resistive Magnet for Magnetic Resonance Imaging" 1986-1988 Graduate Student, CWRU, Cleveland, Ohio "Radio Frequency Penetration in Nuclear Magnetic Resonance Imaging" PROYECTOS FINANCIADOS: Proyectos de tres anos. Investigador Principal: Zypman. NIH: US$75,000 High frequency penetration in biological tissue. NASA: US$150,000 Scanning Tunneling Microscopy and Semiempirical Methods. NSF-EPSCOR: US$35,000 Scattering from Particle Conglomerates PUBLICACIONES 1. "Electron scattering and diffraction in STM", Fredy zypman, Luis Fonseca, Physical Review B, in press (1997) 2. "Tight-Binding Surface Correction to the Embedded Atom Method Embedding Function", Fredy R. Zypman, John Ferrante, Condes. Matter 7, 933 (1996). 3. "MRI Electromagnetic Field Penetration in Cylindrical Objects", Fredy R. Zypman, Comput. Biol. Med. 26, 161 (1996). 4. "Impurity Induced Correction to EAM Embedding Function". Fredy R. Zypman, John Ferrante, Physica, in press (1996). 5. "Time-independent tunneling for a tip-sample system in Scanning Tunneling Microscopy", Fredy R. Zypman, Luis F. Fonseca, Phys. Rev. B51, 2501 (1995) 6. "Theory of Tunneling Spectroscopy", F.R. Zypman, L.F. Fonseca, Y. Goldstein, Phys. Rev. B49, 1981 (1994). 7. "Electrostatic Potential of Impurities in Quantum Wells", F.R. Zypman, IEEE J. Quantum Electronics Letter 29, 2719 (1993). 8. "First Principles Electrostatic Potential of Impurities in Quantum Wells", F.R. Zypman, in Condensed Matter Theories 8, 119 (1993). 9. "Symbolic Programming Helps to Teach Debye-Scherrer Diffraction", F.R. Zypman, Computers in jics 7, 22 (1993). 10. "Probing the Resolution Limits and Tip Interactions of AFM in the Study of Globular Proteins", S. Eppell, F.R. Zypman, R. Marchant, Langmuir 9, 2281 (1993). 11. "Disordering in 69GaAs/71GaAs Isotope Superlattice Structures", F. Tan, H. You, U. G”sele. W. J„ger, D. Boeringer, F. Zypman, R. Tsu, S. Lee, J. Appl. Phys. 72, 5206 (1992). 12. "Disordering and Characterization Studies of 69GaAs/71GaAs Isotope Superlattice Structures: The Effect of Outdiffusion of the Substrate Dopant Si ", F. Tan, H. You, U. G”sele. W. J„ger, F. Zypman, R. Tsu, S. Lee, Mat. Res. Soc. 19, 873 (1992). 13. "Moments to Remember-The Conditions for Equating Torque and Rate of Change of Angular Momentum", F.R. Zypman, Am. J. Phys. 58, 41 (1990). 14. "New Insights in the Physics of Resonant Tunneling", R. Tsu and F.R. Zypman, Surface Science 228, 418 (1990). 15. "Optimizing Blood Vessel Contrast in Fast Three-Dimensional MRI", E. Haacke, T.Masaryk, P. Wielopolski, F. Zypman, J. Tkach, S. Amartur, J. Mitchell, M. Clampitt, C. Paschal, Magnetic Resonance in Medicine 14, 202 (1990). 16. "Effects of Charge Transfer on the Microscopic Theory of Strain-Layer Epitaxy", R. Tsu, F.R. Zypman, R.F. Greene, Mat. Res. Soc. Symp. Proc., 148, 373 (1989). 17. "A Layer Model for RF Penetration, Heating and Screening in NMR", R.W. Brown, E.M. Haacke, M.A. Martens, J.L. Patrick, F.R. Zypman, J. Mag. Res. 80, 225 (1988). 18. "Supercoherent States", C. Aragone, F.R. Zypman, J. of Phys. A 90, 2267 (1986). PRESENTACIONES "Physical Properties of Nanostructures with Atomic Force Microscopy", Fredy R. Zypman and Steven J. Eppell, Fourth International Conference on Nanometer Scale Science & Technology, Beijing, September 8-10, 1996 "Current-Voltage and Densities of States by Scattered Bloch Electrons in STS", Fredy R. Zypman, Luis F. Fonseca, Bull. Am. Phys. Soc. 41, 163 (1996). "Calculation of Power Deposited in Composite MRI Phantoms", Luis F. Fonseca, Fredy R. Zypman, L. Peguero, Bull. Am. Phys. Soc. 41, 324 (1996). "Identifying Charge Domains on Proteins Using Scanning Probe Microscopies", Steven J. Eppell, Fredy R. Zypman, Bull. Am. Phys. Soc. 41, 324 (1996). "Surface and Impurity Correction of Embedding Atom Method Embedding Function". UPR-R¡o Piedras, Sept. 21(1995). "Comparison Between Current - Voltage Curves and Densities of States in Scanning Tunneling Microscopy", UPR-R¡o Piedras, October 5 (1995). "E&M Field Penetration in Cylindrical Objects for MRI Applications", Med. Phys. 22, 1015 (1995) "Theory of Electron Scattering Tunneling at Solid-Solid Interfaces". Applications to Spectroscopy by Scanning Tunneling Microscopy", F.R. Zypman, Luis F. Fonseca, Bull. Am. Phys. Soc., 40, 215 (1995) "Use of Tight Binding Method to Obtain the EAM's Embedding Function for Surfaces", John Ferrante, Fredy R. Zypman, Bull. Am. Phys. Soc. 40, 367 (1995) "Tissue-Like Gelatines for MRI Calibration Phantoms", Luis F. Fonseca, Leonardo Peguero, Fredy R. Zypman, Bull. Am. Phys. Soc. 40, 468 (1995) "RF Penetration in Biological Tissues Under MRI Conditions", Bull. of the APS 39, 597 (1994) "Steady State STS Current for Semiconducting Samples", Physical Features (addendum to Bull. APS. 39), page 2 (1994) "Scanning Tunneling Spectroscopy of Solids", Hebrew University, Dec. 29th (1994) "Scanning Tunneling Microscopy", University of Puerto Rico, Rio Piedras Campus, Nov. 15, (1994) "New Generation Microscope", Plenary Lecture, 6th RCMS Meeting, Days Inn Hotel, Ponce, Puerto Rico (1994) "Calibration of Electrostatic Charge Force in Contact Mode AFM", S.J. Eppell, R.E. Marchant, F.R. Zypman Bulletin of the American Physical Society 38, 543 (1993) "Theory of STS for Semiconductors", Fredy Zypman, Luis Fonseca Bulletin of the American Physical Society 38, 597 (1993) "First Principles Calculation of the Electrostatic Potential of Impurities in Quantum Wells", F.R. Zypman, Bulletin of the American Physical Society 37, 533 (1992) "Use of Mathematica in Solid State Physics", Fredy R. Zypman, Proc. Wkshp. Comp. Phys. at CSU-Fullerton, Mark Shapiro and Jim Feagin editors (1991) "Inelastic Scattering by Phonons in a Quantum Well With Impurities", F.R. Zypman, R. Tsu, Bulletin of the American Physical Society 36, 938 (1991) "Phonon Scattering in the Presence of Impurities in a Quantum Well", Fredy R. Zypman, Raphael Tsu, Bulletin of the American Physical Society, 35, 826 (1990) "Damping Via Relaxation Time in Quantum Wells" F.R. Zypman, Vera B. Campos, Raphael Tsu, Bulletin of the American Physical Society 34, 876 (1989) "RF penetration at high frequencies in the human body", F.R. Zypman, E.M. Haacke, R.W. Brown, J.L. Patrick, Proc. RSNA 73, 130 (1987) "A wave equation solution to a 1D model for RF penetration in MRI", F.R. Zypman, R.W. Brown, E.M. Haacke. Proc. SMRM 6, 839 (1987) "A one dimensional model for RF penetration in transmission, receiving and screening", R.W. Brown, E.M. Haacke, J.L. Patrick, F.R. Zypman, Med. Phys. 14, 467 (1987) PRESENTACIONES DE ESTUDIANTES A CARGO "Electromagnetic Penetration in MRI". Part I, by Rafael Canales, 30th ACS Junior Technical Meeting 1995, Ponce, Puerto Rico. "Electromagnetic Penetration in MRI". Part II, by Ismael Medina, 30th ACS Junior Technical Meeting 1995, Ponce, Puerto Rico. "Deffect Induced Energies in Solid", by Elis Martinez, 30th ACS Junior Technical Meeting 1995, Ponce, Puerto Rico. "Bessel Functions for MRI", by Edgardo Marin, 29th ACS Junior Technical Meeting 1994, Mayaguez, Puerto Rico. "Radio Frequency Penetration for MRI Applications", by Carlos Martinez, 29th ACS Junior Technical Meeting 1994, Mayaguez, Puerto Rico. "Scanning Tunneling Microscope", by J.A. Cordero, ACS Junior Tech. Meet. 27, 147 (1992) "The Green Function for the Electrostatic Potential in a Quantum Well", by Javier E. Colon, ACS Junior Tech. Meet. 27, 148 (1992) STUDENTS IN RESEARCH PROJECTS Jose Cordero (1991-92) Graduated 1994. Javier Colon (1992-93) Graduated 1993. Works Intel. Edgardo Marin (1993-1994) Graduated 1994. Works Industry. Carlos Martinez (1993-1994) Graduated 1994. Works Los Alamos. Rafael Canales. (1994-1996) Graduated 1996. Works RUM. Ismael Medina. (1994-1995) NIH project. Elis Martinez (1994-1996) NASA project. Dimaries Nieves (1995-today) Material Science. Edsel Ruiz (1995-today) Material Science.