The low-frequency Raman spectrum of n-decylammonium chloride was measured as a function of temperature in the temperature range from 290 to 340K, and the longitudinal acoustical mode vibration band was assigned. The results showed that there are two phase transitions at 313K and 321K, respectively. The phase transition at 313K is mainly induced by change of hydrocarbon chain conformations, while that at 321K is mainly induced by change of order degree of molecular packing. The results suggest low-frequency Raman spectroscopy is a useful probe of structural phase transition for long-chain compounds
Author Institution: Department of Physics, Istanbul Tecnnical UniversityRaman frequency shifts for t...
Using the λ2536.5 mercury resonance radiation as exciter, the Raman spectrum of crystalline amm...
We calculate here the temperature dependence of the damping constant using the expressions derived f...
The existence of various solid phases of organic ammonium halides, due to the presence of hydrogen b...
Using the λ 2536·5 mercury resonance radiation as exciter, the Raman spectrum of ammonium chlor...
The temperature dependences of the longitudinal acoustic mode (LAM) frequency and the splitting of t...
This work of the Research Laboratory of Electronics is supported in part by the Joint Services Elect...
This study gives our analysis of the Raman frequencies for the lattice modes of v(5)TO(174 cm(-1)), ...
As is well known, ammonium chloride crystallizes in the cubic system, its structure being of the roc...
We show here the correlations between the volume changes and the vibrational frequencies of the diso...
We calculate here the Raman frequencies of the v(5) TO(174 cm(-1)) and v(2) (1708 cm(-1)) modes as a...
Temperature-dependent Raman and dielectric measurements have been carried out on (C2H5NH3)(2)CdCl4 s...
The infrared spectra of the bilayer system dodecylammonium chloride has been studied as a function o...
Temperature-dependent Raman and dielectric measurements have been carried out on (C2H5NH3)2CdCl4 sin...
Raman spectra of NH4Cl and NH4Br have been recorded as functions of temperature and pressure. The λ-...
Author Institution: Department of Physics, Istanbul Tecnnical UniversityRaman frequency shifts for t...
Using the λ2536.5 mercury resonance radiation as exciter, the Raman spectrum of crystalline amm...
We calculate here the temperature dependence of the damping constant using the expressions derived f...
The existence of various solid phases of organic ammonium halides, due to the presence of hydrogen b...
Using the λ 2536·5 mercury resonance radiation as exciter, the Raman spectrum of ammonium chlor...
The temperature dependences of the longitudinal acoustic mode (LAM) frequency and the splitting of t...
This work of the Research Laboratory of Electronics is supported in part by the Joint Services Elect...
This study gives our analysis of the Raman frequencies for the lattice modes of v(5)TO(174 cm(-1)), ...
As is well known, ammonium chloride crystallizes in the cubic system, its structure being of the roc...
We show here the correlations between the volume changes and the vibrational frequencies of the diso...
We calculate here the Raman frequencies of the v(5) TO(174 cm(-1)) and v(2) (1708 cm(-1)) modes as a...
Temperature-dependent Raman and dielectric measurements have been carried out on (C2H5NH3)(2)CdCl4 s...
The infrared spectra of the bilayer system dodecylammonium chloride has been studied as a function o...
Temperature-dependent Raman and dielectric measurements have been carried out on (C2H5NH3)2CdCl4 sin...
Raman spectra of NH4Cl and NH4Br have been recorded as functions of temperature and pressure. The λ-...
Author Institution: Department of Physics, Istanbul Tecnnical UniversityRaman frequency shifts for t...
Using the λ2536.5 mercury resonance radiation as exciter, the Raman spectrum of crystalline amm...
We calculate here the temperature dependence of the damping constant using the expressions derived f...