Search Results - (Author, Cooperation:R. M. Ribeiro)

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  1. 1
    Staff View
    Publication Date:
    2013-05-04
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2018-06-14
    Publisher:
    The American Society for Microbiology (ASM)
    Print ISSN:
    0022-538X
    Electronic ISSN:
    1098-5514
    Topics:
    Medicine
    Published by:
    http://www.asm.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Ribeiro, R. M. ; Margulis, W. ; Leite, C. A. F. ; Guedes, I. ; Misoguti, L. ; Bagnato, V. S.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1995
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    The transient grating technique was used to study the optical properties of hydrogenated amorphous silicon films. A carrier lifetime τe=3.3 μs, a diffusion coefficient D=4.4×10−2 cm2/s, and effective third order nonlinear susceptibility χ(3)=(5.1±1.0)×10−7 esu were measured for λpump=532 nm. The electronic and thermal contributions of the grating were estimated by diffracting a continuous wave HeNe laser beam. For intensities 1.4–4.1 mW/cm2, ∼68% of the response at 633 nm is of electronic origin. A slowly rising diffraction component was also observed. © 1995 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.113581

    Articles: DFG German National Licenses