Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Ph. Papet"'
Publikováno v:
SN Applied Sciences
SN Applied Sciences, Springer Verlag, 2020, 2 (11), pp.1882. ⟨10.1007/s42452-020-03673-3⟩
SN Applied Sciences, Springer Verlag, 2020, 2 (11), pp.1882. ⟨10.1007/s42452-020-03673-3⟩
International audience; We report experimental and calculated Raman scattering investigations of KNb 1-x Ta x O 3 (x = 0.4, 0.5, 0.6) solid solutions as a function of hydrostatic pressure. The observed phase transitions sequence in the range from roo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4c935c2f6ddbced70c8afdfca48ad72
https://doi.org/10.1007/s42452-020-03673-3
https://doi.org/10.1007/s42452-020-03673-3
Publikováno v:
Ceramics International
Ceramics International, Elsevier, 2017, 43, pp.953-960. ⟨10.1016/j.ceramint.2016.10.025⟩
Ceramics International, Elsevier, 2017, 43, pp.953-960. ⟨10.1016/j.ceramint.2016.10.025⟩
In this work three different sintering techniques were used to improve the densification and dielectric properties of K(Nb 0.40 Ta 0.60 )O 3 (KN40T60) lead-free ceramics. Dense samples were obtained using: (1) conventional sintering in air both with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::475af414c8685f9c04fc7f567b0bb043
https://doi.org/10.1016/j.ceramint.2016.10.025
https://doi.org/10.1016/j.ceramint.2016.10.025
Publikováno v:
Materials Chemistry and Physics
Materials Chemistry and Physics, Elsevier, 2018, 213, pp.461-471. ⟨10.1016/j.matchemphys.2018.04.025⟩
Materials Chemistry and Physics, Elsevier, 2018, 213, pp.461-471. ⟨10.1016/j.matchemphys.2018.04.025⟩
It was shown a possibility to enhance the output laser stimulated second harmonic susceptibility for Pb 5 Ge 3 O 11 single crystals in their ferroelectric phase using an external laser light and appropriate doping by Cr 3+ ions. The improvement of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::166a326297b9c7c90eeee5fd8f405a5b
https://hal.archives-ouvertes.fr/hal-01783528
https://hal.archives-ouvertes.fr/hal-01783528
Autor:
V. Bornand, Ph. Papet
Publikováno v:
Materials Chemistry and Physics
Materials Chemistry and Physics, Elsevier, 2005, 92, pp.424-430. ⟨10.1016/j.matchemphys.2005.01.042⟩
Materials Chemistry and Physics, Elsevier, 2005, 92, pp.424-430. ⟨10.1016/j.matchemphys.2005.01.042⟩
Bilayered LiNbO3 (LN) thin films were successfully deposited onto In2O3:SnO2 (ITO)-coated Si substrates by radio-frequency sputtering. The crystalline perfection and crystallographic orientation could be significantly improved by LiNbO3 template surf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::075cbce52dad17ecc63890f265f88e91
https://doi.org/10.1016/j.matchemphys.2005.01.042
https://doi.org/10.1016/j.matchemphys.2005.01.042
Autor:
V. Bornand, Ph. Papet
Publikováno v:
J. Phys. IV
4th EWPM
4th EWPM, Jul 2004, Montpellier, France. pp.89-92, ⟨10.1051/jp4:2005126018⟩
4th EWPM
4th EWPM, Jul 2004, Montpellier, France. pp.89-92, ⟨10.1051/jp4:2005126018⟩
We report the growth of LiNbO 3 thin films onto In 2 O 3 :Sn-coated -Si substrates by standard radio-frequency sputtering. Multi-layer procedures, up to 4 successive deposits, have been developed that can subsequently improve the structural and macro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d22ea11677145dc52bf4448b4e1014a5
https://doi.org/10.1051/jp4:2005126019
https://doi.org/10.1051/jp4:2005126019
Publikováno v:
Journal de Physique IV (Proceedings). 126:7-12
GaPO 4 recrystallisation was studied under hydrothermal conditions at temperatures from 140 to 310°C (autogeneous pressures from 2 to 150 bar). The acidic solvents of pH 4 to 0 at ambient conditions were used as mineralizers. The retrograde solubili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1220d5759833e91d96099bf29fc71d3d
https://doi.org/10.1051/jp4:2005126002
https://doi.org/10.1051/jp4:2005126002
Publikováno v:
Journal de Physique IV (Proceedings). 126:59-63
PZT solid solutions were studied as a function of pressure and temperature by neutron and x-ray diffraction, Raman spectroscopy and dielectric measurements. Pressure was found to favour low-symmetry structures (Cm, Cc, F1, F1) characterized by a rota
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da51e09f7fd6257fa0727670b4a2638e
https://doi.org/10.1051/jp4:2005126012
https://doi.org/10.1051/jp4:2005126012
Publikováno v:
Journal of Crystal Growth. 275:e887-e894
The hydrothermal methods have a wide application on crystal growth of single crystals and piezoelectric materials such as α -SiO2, α -GeO2, AlPO4 and GaPO4 may be synthesized by using this method. GaPO4 is a very promising compound for piezoelectri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04adb36576dede06416adf556078cd96
https://doi.org/10.1016/j.jcrysgro.2004.11.028
https://doi.org/10.1016/j.jcrysgro.2004.11.028
Publikováno v:
Journal de Physique IV (Proceedings). 122:21-26
Le parametre pression modifie de facon tres importante la structure cristalline des solides. Ce parametre peut induire des variations structurales continues sans augmenter l'agitation thermique et presente donc des avantages par rapport aux parametre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::427cb745f86128d1b0ffe1156ef66d93
https://doi.org/10.1051/jp4:2004122002
https://doi.org/10.1051/jp4:2004122002
Publikováno v:
Materials Chemistry and Physics. 86:340-346
The radiofrequency sputtering technique has been used to deposit LiNbO3 thin films onto 〈1 1 1〉 Si, In2O3:Sn-coated 〈1 1 1〉 Si and amorphous SiO2 substrates. In essence, such as-grown composite structures are polycrystalline and exhibit colum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f183fc138b72efc3e4cf3d2f77e74d0
https://doi.org/10.1016/j.matchemphys.2004.03.018
https://doi.org/10.1016/j.matchemphys.2004.03.018