Grisha A. Medvedev

U.S. citizen.

SUMMARY

Versatile materials scientist with physical background and experience in chemical engineering. Special interest in polymers, glasses, liquid crystals, nonlinear optics and computer simulation.

Developed ability to perform interdisciplinary research through the cooperation within a team of engineers, chemists, computer and materials scientists.

PROFESSIONAL EXPERIENCE

Post-doctoral research associate.

Studied the effect of physical aging on the molecular mobility in dye-polymer systems for nonlinear optical applications. Developed novel physical model and efficient computer code to predict long term behavior for various thermal and processing histories.
Responsibilities include, supervision of graduate and undergraduate students.

1994 to 1995 and 1991 to 1993

Institute of Macromolecular Compounds, Russian Academy of Sciences Saint Petersburg, Russia

Research fellow.

Studied phase transformations and relaxation properties of the liquid crystalline polymers both in bulk and in film. Performed laboratory testing and computer modeling of mechanical properties of composite materials for the lumber industry. Responsibilities included cooperation with the industrial customers.

1993 to 1994

Institute of Fundamental Technological Research Warsaw, Poland

Post-doctoral research associate.

Modeled the dynamics of semi-flexible polymer fibers in viscous elongational, shear, and vortex flows to obtain the strain-stress relationship for applications in polymer processing.
Responsibilities included a preparation of a final report for the grant.

EDUCATION

Official thesis reviewers: Profs. A.R.Khokhlov, S.Y.Frenkel

RELEVANT COURSES AND SKILLS

Thermodynamics and Statistical Physics, Transport Processes, Reaction Kinetics, Polymers, Materials Science and Engineering, Solid State Physics, Numerical Methods and Computer Simulation.

Computer literacy: FORTRAN, C/C++, UNIX (SUN workstation,HP, Macintosh, IBM PC).

GRADUATE RESEARCH SUPERVISION

PUBLICATIONS

PROFESSIONAL MEMBERSHIPS AND HONORS

FOREIGN LANGUAGES

REFERENCES

Papers

1. G.A.Medvedev, S.-J.Lee, J.M.Caruthers, H.S.Lackritz "Effect of structural relaxation of polymer matrix on the second harmonic intensity decay in doped polymer systems for nonlinear optics".- submitted to Macromolecules 1997.
2. G.A.Medvedev, Y.Y.Gotlib, S.V.Lyulin "Dependence of Curie temperature of the main-chain liquid crystalline polymers on the rigidity of polymer chain".-Polym. Sci. Russ. 1997 A31 (2),????.
3. G.A.Medvedev, Y.Y.Gotlib "Lattice model of heterogeneous polymer chain in the liquid crystalline state. I. Statistical properties".-Macromol. Chem.,Theor. Simul. 1994 3,121.
4. Y.Y.Gotlib, G.A.Medvedev "Lattice model of heterogeneous polymer chain in the liquid crystalline state. II. Local relaxation properties".-Macromol. Chem.,Theor. Simul. 1994 3,135.
5. Y.Y.Gotlib, G.A.Medvedev, S.V.Fridrikh "Dynamic model of heterogeneous freely jointed polymer chains in liguid crystalline state".-Polym. Sci. USSR(Engl. Trans.) 1992 A34(6),531.
6. G.A.Medvedev, Y.Y.Gotlib "Nematic liguid crystalline ordering in a lattice model of chain macromolecules ".-Polym. Sci. USSR(Engl. Trans.) 1991 A33(4),636.
7. Y.Y.Gotlib, G.A.Medvedev "Conformational properties of the lattice model of a polymer chain in the orienting field of the quadrupole symmetry".-Polym. Sci. USSR(Engl. Trans.) 1990 A32(11),2328.
8. A.A.Merkurieva, G.A.Medvedev, T.M.Birshten, Y.Y.Gotlib "Theory of the transition of two- dimensional systems into the orientationally ordered state".-Polym. Sci. USSR(Engl. Trans.) 1990 A32(5),896.
9. Y.Y.Gotlib, G.A.Medvedev, E.A.Karpov "Statistical properties of a model chain consisting of quasielastic elements with fixed average length in the presence of external or self-consistent liqui crystalline field (of the Maier-Saupe type)".-Polym. Sci. USSR(Engl. Trans.) 1989 A31(6),1242.
10. Y.Y.Gotlib, E.A.Karpov, G.A.Medvedev "Multisegment dynamic model of a polymer chain at high strain rate gradients in an elongational flow. Local and global orientation properties".-Polym. Sci. USSR(Engl. Trans.) 1989 A31(5),1146.

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1. G.A.Medvedev, A.Ziabicki, L.Jarecki "Stress tensor of a viscous medium containing semi-rigid polymer chains".-Proceedings of the Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw. 1996.
2. T.I.Borisova, S.V.Fridrikh, Y.Y.Gotlib, G.A.Medvedev, N.A.Nikonorova, S.S.Skorokhodov, V.A. Zuev "Relaxation spectroscopy of liquid crystalline main chain polymers: experimental and theoretical investigations".-Macromol. Chem. Macromol. Symp. 1993 72,67.
3. Y.Y.Gotlib, G.A.Medvedev, S.V.Fridrikh "Continuous and discreet dynamics of heterogeneous mesogenic polymer chain".-Intern. J. Polymeric Mater. 1993 22,65.
4. Y.Y.Gotlib, G.A.Medvedev, S.V.Fridrikh "Model theory of relaxation properties of macromolecules in the nematic liquid crystalline state".-Macromol. Chem. Macromol. Symp. 1993 65,153.
5. Y.Y.Gotlib, G.A.Medvedev, S.V.Fridrikh "Model theories of the relaxation properties of the main chain polymer liquid crystals".-Polymer Preprints 1992 33(1),549.
6. Y.Y.Gotlib, G.A.Medvedev, S.V.Fridrikh "Lattice model theory of chain stiffening and relaxation properties of macromolecules in the nematic liquid crystalline state".-Macromol. Chem. Macromol. Symp. 1991 52,209.

1. *G.A.Medvedev, J.M.Caruthers, H.S.Lackritz "Pressure effects on structural relaxation in guest-host polymers for nonlinear optical applications" presented at the American Chemical Society national meeting in San Francisco, CA, April 1997.
2. *S.-J.Lee, G.A.Medvedev, J.M.Caruthers, H.S.Lackritz "Matrix viscoelasticity effect on the chromophore disorientation in the guest-host doped optical polymer" poster presented at the American Physical Society national meeting in Kansas City, MO, March 1997.
3. *G.A.Medvedev, S.-J.Lee, J.M.Caruthers, H.S.Lackritz "Effect of structural relaxation on thermal and temporal stability of guest-host second order nonlinear optical polymers" presented at the American Chemical Society national meeting in Orlando, FL, August 1996.
4. *S.-J.Lee, G.A.Medvedev, J.M.Caruthers, H.S.Lackritz "Theoretical study of SHG intensity decay in dye polymer systems during physical aging" poster presented at the American Physical Society national meeting in St. Louis, MO, March 1996.
5. *G.A.Medvedev, A.Ziabicki, L.Jarecki "Stress-orientation behavior of semi-rigid polymer chain in elongational flow" poster presented at the Europhysics conference on Macromolecular Physics, Structure Development during Polymer Processing in Eindhoven, The Netherlands, July 1994.
6. G.A.Medvedev,*Y.Y.Gotlib, S.V.Fridrikh "Model theories of the relaxation properties of the main chain polymer liquid crystals" presented at the American Chemical Society national meeting in San Francisco, CA, April 1992.
7. G.A.Medvedev "Dynamic properties of the lattice model of heterogeneous polymer chain in the liquid crystalline state" poster presented at the Europhysics conference on Macromolecular Physics, Orientational Phenomena in Polymers in Saint Petersburg, Russia, July 1992.