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  • 1
    Electronic Resource
    Electronic Resource
    Curtius and Lossen rearrangements. III. Photolysis of certain carbamoyl azides (1975)
    s.l. : American Chemical Society
    The @journal of organic chemistry 40 (1975), S. 2608-2612 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00906a008
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  • 2
    Electronic Resource
    Electronic Resource
    Rayleigh scattering in Sr0.61Ba0.39Nb2O6 (1992)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 71 (1992), S. 418-421 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Rayleigh scattering (λ=488 nm) is observed in single-crystal Sr0.61Ba0.39Nb2O6 (SBN:61). In particular, the scattered intensity is measured as a function of temperature across the ferroelectric–paraelectric phase transition. The results show that the scattered intensity can vary by as much as two orders of magnitude in passing through the transition. The particular form of the intensity-vs-temperature curve is found to depend on the poling history of the crystal. The unpoled crystal exhibits a rapid change from strong scattering below the transition (ferroelectric state) to weak scattering above the transition (paraelectric state). The measured inflection point is near 63 °C upon heating and near 58 °C upon cooling. In this case the scattering is predominantly attributed to the presence of high-density ferroelectric domains, which vanish above the transition. If the crystal is thermally poled (by cooling through the transition with an electric field applied), it shows no measurable domain scattering but does exhibit strong central-peak behavior at 65 °C upon heating and 59 °C upon cooling. Despite repeated cycling through the transition, the previously thermally poled crystal consistently displays central-peak behavior. The results suggest that thermal poling in SBN followed by thermal depoling produces a significant increase in the average ferroelectric domain size when compared to the unpoled crystal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.350725
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  • 3
    Electronic Resource
    Electronic Resource
    Prussian blues (1970)
    s.l. : American Chemical Society
    Inorganic chemistry 9 (1970), S. 2512-2516 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50093a027
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  • 4
    Electronic Resource
    Electronic Resource
    Infrared spectroscopic study of the photolytic decomposition of methyl azidoformate (1971)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 93 (1971), S. 860-863 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00733a009
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  • 5
    Electronic Resource
    Electronic Resource
    The noncoincidence effect in the ν3 band of liquid methyl fluoride (1987)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 86 (1987), S. 5940-5944 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The 11 cm−1 splitting observed in the ν3 region of the Raman spectrum of liquid methyl fluoride is explained as arising from the noncoincidence effect. An interpretation of the solid-state infrared and Raman spectra is based upon correlation-field splitting effects. An analysis of these two effects suggests that the transition-dipole moment increases from 1.31×10−6 C kg−1/2 in the gaseous state to 2.28×10−6 C kg−1/2 in the solid state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.452478
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  • 6
    Electronic Resource
    Electronic Resource
    Raman spectrum of Sr0.61Ba0.39Nb2O6 (1991)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 22 (1991), S. 321-325 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The Raman spectra of a single crystal of strontium barium niobate were recorded in the temperature range-193 to 140°C. The configurations studied were X(ZZ)Y, X(YZ)Y, X(YX)Y, Z(XX)Y, Z(YZ)Y and Z(XZ)Y. The behavior of integrated reduced intensities, band widths and band centers with temperature indicated that the ferro-electric transition temperature was near 65°C. The Raman data were not consistent with a classical Landau transition. Disorder-induced first-order spectra were observed and attributed to the disordered nature of the crystal Evidence was found for a possible phase transition near 120°C.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250220604
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  • 7
    Electronic Resource
    Electronic Resource
    Vibrational dephasing of the ν3 mode of liquid allene (1986)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 17 (1986), S. 477-480 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The Raman spectrum of the ν3 mode of allene has been studied as a function of temperature throughout the temperature range of the liquid. Analysis of the spectral band shape shows that the vibrational dephasing is a fast-modulation process. Evidence is presented for a vibrational-rotational coupling involving the tumbling reorientation of the molecule. Dilution studies in GeH4 indicated significant resonant vibrational energy transfer.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250170610
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  • 8
    Electronic Resource
    Electronic Resource
    Vibrational dephasing of arsine in the liquid and plastic crystalline states (1988)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 19 (1988), S. 467-469 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra of the ν1 bands of AsH3 have been obtained for the liquid state and for phase I of the solid state. It is shown that phase I is a plastic crystalline phase. A modeling procedure applied to the vibrational autocorrelation function shows that the modulation of the vibrational frequency is fast and that the vibrational dephasing is probably caused by the rotations. Evidence for a ν1-ν3 Coriolis-coupling effect is also presented.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250190707
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  • 9
    Electronic Resource
    Electronic Resource
    Vibrational dephasing in liquid germane (1988)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 19 (1988), S. 277-279 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra are reported for the n̈1 bands of germane and germane-d3. Fourier transformation of the band shapes provided vibrational autocorrelation functions. These functions were modeled by a memory-function procedure. Evidence for resonant vibrational energy transfer and higher order cumulant-expansion terms was found in an isotopic-dilution study.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250190411
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  • 10
    Electronic Resource
    Electronic Resource
    Frequency dependence of the memory and force autocorrelation functions and its use in separating homogeneous and inhomogeneous broadening. Application to methyl iodide (1988)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 19 (1988), S. 289-295 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Spontaneous Raman spectra of the n̈3 band of methyl iodide were recorded at 1 bar and 2 kbar at ambient temperature. These spectra yielded vibrational, memory and frequency autocorrelation functions. The frequency dependence of the memory function was shown to be identical with that of the force autocorrelation function. An autoregressive analysis of the memory function allowed the separation of the homogeneous and inhomogeneous second moments. This separation of second moments was compared with a theoretical separation of the homogeneous and inhomogeneous bandwidths.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250190413
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