phase ERaman spectrummantle P-T conditionsVariations in Raman spectra of phase E were investigated up to 340 kbar at room temperature and in the range 83鈥 870 K at atmospheric pressure. Phase E appears to remain intact up to at least 870 K. However, the OH Raman band of phase E was...
Both Raman and FTIR spectroscopy provide a spectrum characteristic of the specific vibrations of a molecule ("molecular fingerprint') and are valuable for identifying a substance. However, Raman spectroscopy can give additional information about lower frequency modes, and vibrations that give insight ...
The Raman spectrum of single-domain orthorhombic Mn3B7O13Cl is reported for comparison purposes.doi:10.1080/00150197608236609LockwoodD. J.Taylor & Francis GroupFerroelectricsLockwood D J. Raman Spectral Study of the Ferroelectric Phase Transition in Boracites[J].Ferroelectrics,1976,(13):353-354....
The infrared spectrum of ammonia hydrate: Explanation for a reported ammonia phase A number of anomalous spectra of solid NH3deposited from the vapor phase have appeared in the literature. These spectra have been ascribed to a new phase o... G Still,U Fink,JR Ferraro - 《Journal of Chemical...
in-plane optical mode of graphene; in the low-energy E 2g mode the graphene planes slide against each other. We will see in the following sections that the Raman spectrum of graphite involves phonons which are non-Γ-point vibrations. When going away from q = 0 along one of the in-plan...
Both Raman and FTIR spectroscopy provide a spectrum characteristic of the specific vibrations of a molecule ("molecular fingerprint') and are valuable for identifying a substance. However, Raman spectroscopy can give additional information about lower frequency modes, and vibrations that give insight ...
A Raman spectrum is a plot of the intensity of Raman scattered radiation as a function of its frequency difference from the incident radiation (usually in units of wavenumbers, cm−1). From: Material-Tissue Interfacial Phenomena, 2017
Using the quantum-mechanical density functional method, the geometric structure and vibrational frequencies of the chlorin e 6 molecule are calculated and the Raman spectrum of this molecule is interpreted for the first time. The geometry of sorption of chlorin e 6 on the surface of a ...
The Raman spectrum of trigonal (NH4)2 TiF6 between room temperature and 10 K has been measured in the lattice region of the spectrum. All the four modes predicted by group theory have been observed and tentative assignments are proposed. No phase transition has been observed down to the ...
Salzmann, C., Kohl, I., Loerting, T., Mayer, E. and Hallbrucker, A. (2002), ChemInform Abstract: The Raman Spectrum of Ice XII and Its Relation to that of a New “High-Pressure Phase of H2O Ice”. ChemInform, 33: no. doi: 10.1002/chin.200209004 Author Information Inst. Allg. ...