Zobrazeno 1 - 10
of 92
pro vyhledávání: '"F Bréhat"'
Publikováno v:
Journal of Physics: Condensed Matter. 10:6865-6873
Calcium niobium gallium garnet (CNGG), a new non-linear optical material, is studied by Raman and infrared reflectivity spectroscopy at low and at room temperature for various scattering configurations. No structural phase transition is observed in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da7316b0e2caa51a253bd55e1105b51a
https://doi.org/10.1088/0953-8984/10/31/005
https://doi.org/10.1088/0953-8984/10/31/005
Publikováno v:
Scopus-Elsevier
The entire vibrational spectrum of a single crystal of l -histidinium dihydrogen orthophosphate orthophosphoric acid (LHP) was studied by infrared (IR) spectroscopy from 10 up to 4000 cm −1 . The polarized infrared (IR) reflectivity spectra were me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5823da9018bcf658855a1648f01054a
https://doi.org/10.1016/s1350-4495(97)00029-7
https://doi.org/10.1016/s1350-4495(97)00029-7
Publikováno v:
International Journal of Infrared and Millimeter Waves. 18:1663-1679
The optical constants of crystal quartz in the far infrared (10 – 600 cm−1) are reported at room temperature and at 10 K, for both polarizations parallel and perpendicular to the c-axis, respectively extraordinary and ordinary ray. These constant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3bf95d897148b7de5ceb3ad25398f0
https://doi.org/10.1007/bf02678278
https://doi.org/10.1007/bf02678278
Publikováno v:
International Journal of Infrared and Millimeter Waves. 18:475-489
Spectroscopic studies using far infrared reflectivity and transmissivity measurements between 10 and 600 cm−1, were performed on plane parallel quartz crystal plates, in the temperature range 10–300 K. The temperature dependence of the optical mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3caa8b86c6bb92906d3cb71788a7af6d
https://doi.org/10.1007/bf02677934
https://doi.org/10.1007/bf02677934
Publikováno v:
Vibrational Spectroscopy. 11:135-142
Single crystals of lithium hydrogen malate (LHM) were grown by slow evaporation of aqueous solutions. The crystal structure was controlled by X-ray diffraction experiments. The Raman spectra of LHM were measured at room temperature and at 10 K. A ten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea799ef9faba6431a344b21c0a1eae4f
https://doi.org/10.1016/0924-2031(95)00070-4
https://doi.org/10.1016/0924-2031(95)00070-4
Publikováno v:
Infrared Physics & Technology. 37:395-402
Far infrared (IR) reflectivity spectra of thallium arsenic selenide (TAS) are measured for the first time, for both polarizations parallel and perpendicular to the c-axis, at 7, 100 and 250 K, in the frequency range 10–600 cm−1. The phonon modes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a5570c149e14c852602974ffd0e3f16
https://doi.org/10.1016/1350-4495(95)00059-3
https://doi.org/10.1016/1350-4495(95)00059-3
Publikováno v:
Journal of Raman Spectroscopy. 27:35-39
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8123b339bed16fc7eaaf8a4abb176b5f
https://doi.org/10.1002/(sici)1097-4555(199601)27:1<35::aid-jrs921>3.0.co
https://doi.org/10.1002/(sici)1097-4555(199601)27:1<35::aid-jrs921>3.0.co
Publikováno v:
Physical Review B. 51:2669-2677
The temperature dependence of the midinfrared reflectivity spectra of ammonium sulfate is reported for the two polarizations a and c of the electric field of the infrared wave, in the paraelectric and ferroelectric phases. Strong dynamic disorder of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7d05565a318c20f18b57c58a638ade4
https://doi.org/10.1103/physrevb.51.2669
https://doi.org/10.1103/physrevb.51.2669
Publikováno v:
Ferroelectrics. 125:483-488
The ceramic solid solution of PbZr0.95Ti0.05O3:1%wtNb2O5 has been studied by X-rays texture and structure measurements, by electron scanning microscope observations, by Raman scattering and by infrared reflectivity experiments. We conclude for the is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b32c25378543a4a4a30e933016d30ddf
https://doi.org/10.1080/00150199208017115
https://doi.org/10.1080/00150199208017115
Publikováno v:
Ferroelectrics. 124:115-119
Single crystals of Lithium Hydrogen Malate (LHM) have been grown by slow evaporation of aqueous solutions. The crystals structures have been controlled by X-rays diffraction experiments. Differential calorimetry (DCA) and Thermogravimetry (TGA) analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a68a3c3f9c24c904ecb291e5a934936
https://doi.org/10.1080/00150199108209424
https://doi.org/10.1080/00150199108209424