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  • 1
    Electronic Resource
    Electronic Resource
    THE LASER AS A RAMAN SOURCE – A SURVEY (1965)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 122 (1965), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1965.tb20245.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Dielectric Properties of Crystals of Order-Disorder Type (1974)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Materials Research 4 (1974), S. 287-310 
    Details
    ISSN: 0084-6600
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.ms.04.080174.001443
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  • 3
    Electronic Resource
    Electronic Resource
    Temperature-dependent Raman study of H-bonds and possible phase-transition in LiHCOO·H2O (1977)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 6 (1977), S. 174-182 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Polarized Raman spectra of single crystals of lithium formate monohydrate (LiHCOO·H2O) have been measured from 4.2 K to 320 K. In the high-frequency region, the observed modes have been assigned and the water molecule vibrations identified. The crystallographic distances between the two oxygens involved in the two hydrogen bonds have been obtained from the frequencies of the stretching O—H vibrations, and the corresponding O…O vibration frequencies have been predicted and identified in the low-frequency region. Although the crystal is thought to be potentially ferroelectric, we have observed no evidence of any structural change or presence of a ‘soft’ phonon in the crystal in the temperature range studied. Our measurements in various configurations do not indicate the presence of any LO—TO splittings or any hydrogen disorder in the crystal.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250060405
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  • 4
    Electronic Resource
    Electronic Resource
    Normal mode determination in crystals (1981)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 10 (1981), S. 253-290 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The group theoretical methods by which the symmetries of normal modes in crystals may be determined are outlined, and a series of tables are presented to facilitate rapid determination of the selection rules for vibrational transitions. Emphasis is placed on the method of nuclear site group analysis in which the number of infrared and Raman active modes of each symmetry may be obtained without detailed analysis of the symmetry elements in the crystallographic unit cell or the construction of tables. By using the tables presented here for most cases identification of the crystallographic space group is sufficient information to allow determination of the vibrational mode selection rules by inspection. Several examples are included in which crystals are analyzed by each of the methods.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250100152
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  • 5
    Electronic Resource
    Electronic Resource
    First-order A1(TO) phonons as evidence of disorder in BaTiO3 (1978)
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 7 (1978), S. 7-9 
    Details
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Evidence is presented, based on Raman scattering measurements, that the three modes observed in the A1(TO) phonon spectrum of tetragonal BaTiO3 are first order. These results are interpreted as supporting the order-disorder model of the ferroelectric phase transition.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jrs.1250070106
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    Paper (German National Licenses)
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