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  • Grundlagen, Anwendungen, Überblick  (1)
  • magnetic excitations  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Magnetic resonances in (CH3NH3)2MnCl4 (1980)
    Springer
    International journal of infrared and millimeter waves 1 (1980), S. 295-307 
    Details
    ISSN: 1572-9559
    Keywords: magnetic excitations ; antiferromagnetic resonance ; spin flop resonance ; line width
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have studied the $$\mathop q\limits^ \to = 0$$ magnetic excitations of (CH3NH3)2MnCl4 in the antiferromagnetic and in the spin-flop regimes by means of magnetic resonance in the millimeter range (60–100 GHz). Rather odd line shapes of the resonance absorption line for narrow lines are explained as interference effects between the resonant and the non-resonant circular wave in the sample. For the antiferromagnetic resonance (AFMR) and for the paramagnetic resonance (EPR, above the Néel temperature), we have also studied the line width as a function of temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01007124
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  • 2
    Electronic Resource
    Electronic Resource
    Fourier methods in analytical chemistry (1977)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 288 (1977), S. 1-18 
    Details
    ISSN: 1618-2650
    Keywords: Fourier-Transformation ; Grundlagen, Anwendungen, Überblick
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary Starting with the basic physical principles, the method of Fourier transform spectroscopy is described and explained. In addition to the technical and mathematical details, as for instance error correction, examples are presented with spectra obtained by this method. Advantages and disadvantages are discussed. New special developments in Fourier spectroscopy are briefly mentioned, e.g., phase modulation, compensative mode, and amplitude spectroscopy. Finally, some problems in analytical chemistry which have been studied by means of Fourier transform spectroscopy are summarized (155 references).
    Notes: Zusammenfassung Ausgehend von den physikalischen Grundlagen wird das Verfahren der Fourier-Transform-Spektroskopie beschrieben und erläutert. Neben technischen und mathematischen Einzelheiten (wie z. B. Fehlerkorrektur) werden auch praktische Beispiele diskutiert. Vor- und Nachteile des Verfahrens werden erörtert. Neue, spezielle Entwicklungen in der Fourier-Spektroskopie werden kurz erwähnt, z. B. Phasenmodulation, Kompensationsmethode und Amplitudenspektroskopie. Abschließend werden einige analytische Probleme besprochen, die mit Hilfe der Fourier-Transform-Spektroskopie untersucht wurden (155 Literaturzitate).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00634314
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    Paper (German National Licenses)
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