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Andrei Piryatinski

Technical Staff Member
T-4/CNLS

Condensed Matter Physics

Andrei Piryatinski

Office: TA-3, Bldg 123, Room 138
Mail Stop: B213
Phone: (505) 665-3639
Fax: (505) 665-9427

apiryat@lanl.gov
home page

 Educational Background/Employment:

    1997 Ph. D. in Physics Department of Physics and Astronomy, University of Toledo (USA)

    1992 M. S. in Physics Department of Physics, Kiev State University (Ukraine)

  • Employment:

      2009 – present T-4 Technical Staff Member, LANL, NM

      2006 – 2009 T-14/T-1 Technical Staff Member, LANL, NM

      2002 – 2006 Postdoctoral Research Associate CNLS/T-12, LANL, NM

      2000 – 2002 Postdoctoral Research Associate, University of Wisconsin – Madison, WI

      1997 – 2000 Postdoctoral Fellow, the University of Rochester, NY

Research Interests:

    o   Ultrafast Carriers Dynamics in Nanostructured Semiconductors & Metals

    o   Optical Properties of Nanostructures;  Nanoplasmonics

    o   Ultrafast Nonlinear (Multidimensional) Spectroscopy

    o   Nonadiabatic Quantum/Semiclassical Molecular Dynamics

Selected Recent Publications:

    1.   K. V. Velizhanin and A. Piryatinski; Numerical analysis of carrier multiplication mechanisms in nanocrystal and bulk forms of PbSe and PbS, arXiv:1110.4135

    2.   K. A. Velizhanin and A. Piryatinski; Numerical Study of Carrier Multiplication Pathways in Photoexcited Nanocrystal and Bulk Form of PbSe, Phys. Rev. Lett. 106 207401 (2011).

    3.    K. A. Velizhanin and A. Piryatinski; Probing Interband Coulomb Interactions in Semiconductor Nanostructures with 2D Double-Quantum Coherence Spectroscopy, J. Phys. Chem. B 115 5372 (2011); Special Issue: Shaul Mukamel Festschrift.

    4.   A. Piryatinski and K. A. Velizhanin; An exciton scattering model for carrier multiplication in nanocrystals: Theory, J. Chem. Phys.  133 084508 (2010).

    5.   S. Goel, K. A. Velizhanin, A. Piryatinski, S. Tretiak, and S. A. Ivanov; DFT Study of Ligand Binding to Small Gold Clusters, J. Phys. Chem . Lett. 1 927 (2010).

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