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  • 1
    Electronic Resource
    Electronic Resource
    Electron acoustic imaging of BaTiO3 single crystals (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 1916-1918 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Scanning electron acoustic microscopy (SEAM) has been used in the observation of ferroelectric domain configurations in barium titanate single crystals. The contribution to the image contrasts is related to signal generation through a piezoelectric coupling mechanism. The results prove that SEAM really has the ability to show not only the surface shape and domain structures but also the subsurface domain structures. Furthermore, SEAM is a convenient, fast and nondestructive way of observing the ferroelectric domains compared with other methods. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.363008
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Scanning electron-acoustic imaging of residual stress distributions in aluminum metal and ZrSiO4 multiphase ceramics (1997)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 70 (1997), S. 589-591 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The scanning electron-acoustic imaging technique has been used in the characterization of the residual stress field distributions existing in the subsurface in aluminum disks and 20 vol % SiC ( w)/ZrSiO4 multiphase ceramics left by Vicker's indentation. The experimental results reveal that the distribution areas are the plastic-elastic interchange zones. The electron-acoustic signal generation mechanism in the samples are discussed. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.118283
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  • 3
    Electronic Resource
    Electronic Resource
    Microheterogeneity and relaxation in 0.65Pb(Mg1/3Nb2/3)O3–0.35PbTiO3 relaxor single crystals (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 77 (2000), S. 1271-1273 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Micro-Brillouin scattering has been applied to the observation of the microheterogeneity and the fast relaxation of 0.65 Pb(Mg1/3Nb2/3)O3–0.35PbTiO3 single crystals in various microareas with the size of 1–2 μm. Cubic–tetragonal at TC–T and tetragonal–rhombohedral around TT–R transitions show different types of acoustic anomalies. It was found that local symmetry varies from one microarea to others below TC–T. Intense quasielastic scattering was observed below 250 °C; it is correlated with thermally activated fast relaxations of polar microregions. The results show that microheterogeneity and related dynamics of polar microregions are origins of relaxor phase transitions and are responsible for macroscopic properties like hypersonic damping. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1289909
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    Paper (German National Licenses)
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