Nombre de documents

22

Production scientifique de Ninel KOKANYAN


 

Caractérisations structurales

  • Diffraction de rayons X
  • Spectroscopie Raman et Trans-Raman
  • Microscope électronique
  • Spectrométrie de fluorescence X
  • Spectroscopie de sites

Etudes des propriétés fonctionnelles électroniques et optiques des matériaux

  • Spectroscopie d’absorption et infrarouge
  • Caractérisations électro-optiques et diélectriques
  • Etude des propriétés piézoélectriques et photovoltaïques desmatériaux
  • Etude de l’influence de la polarisation, du champ électrique, de latempérature

Croissance cristalline

  • Synthèse de matériaux diélectriques en vue d’applications optiques et optoélectroniques.
  • Croissance de cristaux diélectriques par la méthode de Czochralski
  • Polissage et découpe de cristaux

 Utilisation des outils de chimiométrie

 Qualifications CNU dans les sections 28 « Milieux denses et Matériaux » et 30 « Milieux dilué et Optique »


Article dans une revue6 documents

  • Ninel Kokanyan, Anush Movsesyan, I. Ghambaryan, Edvard Kokanyan. Growth and investigation of physical properties of holmium doped lithium niobate crystals. Scientific News ASPU, 2015, pp.68-78. <hal-01386616>
  • M. Abarkan, M. Aillerie, N. Kokanyan, C. Teyssandier, E. Kokanyan. Electro-optic and dielectric properties of Zirconium-doped congruent lithium-niobate crystals. Optical Materials Express, OSA pub, 2014, 4 (1), pp.179-189. <hal-00924155>
  • Mustapha Abarkan, Michel Aillerie, Ninel Kokanyan, Clément Teyssandier, Edvard Kokanyan. Electro-optic and dielectric properties of Zirconium-doped congruent lithium–niobate crystals. Optical Materials Express, OSA pub, 2014, 4 (1), <10.1364/OME.4.000179>. <hal-01248461>
  • N. Kokanyan, D. Chapron, M.D. Fontana. Temperature dependence of Raman scattering and anharmonic properties in LiNbO3. Applied Physics A, Springer Verlag, 2014, <10.1007/s00339-014-8485-1>. <hal-01002530>
  • M. Bazzan, N. Kokanyan, A. Zaltron, N. Argiolas, D. Chapron, et al.. Raman frequency shift induced by photorefractive effect on Fe-doped lithium niobate. Journal of Applied Physics, American Institute of Physics, 2013, 114, pp.163506. <hal-00876907>
  • M Bazzan, Ninel Kokanyan, A Zaltron, N Argiolas, D. Chapron, et al.. Raman frequency shift induced by photorefractive effect on Fe-doped lithium niobate. Journal of Applied Physics, American Institute of Physics, 2013, 114 (16), pp.163506. <10.1063/1.4826628>. <hal-01385633>

Communication dans un congrès15 documents

  • Anush Danielyan, Laura Vittadello, Michel Aillerie, Edvard Kokanyan, Ninel Kokanyan, et al.. Physical properties of iron doped LiNbO3 from sub-congruent to quasi-stoechiometric crystals. NAMES2016 : 4th French-Russia seminar New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France. <hal-01402221>
  • Michel Aillerie, Edvard Kokanyan, Anush Movsesyan, Anush Danielyan, Ninel Kokanyan, et al.. Recent advances in Electro-optic and their link with the photorefractive properties of doped congruent lithium-niobate crystals. NAMES2016 : 4th French-Russia seminar New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France. <hal-01402216>
  • Ninel Kokanyan, D. Chapron, Edvard Kokanyan, Marc Fontana. Effect of Zr doping on the structure of Lithium Niobate crystals: Site spectroscopy and Chemometrics. NAMES'16, Nov 2016, Nancy, France. 2016. <hal-01394285>
  • M.D. Fontana, N. Kokanyan, D. Chapron, P. Bourson. Lithium niobate, a versatile material for many applications in optoelectronics: recent developments. International Meeting on Materials for Electronic Applications: IMMEA-2015, Sep 2015, Marrakech, Morocco. <hal-01227838>
  • M.D. Fontana, N. Kokanyan, D. Chapron, P. Bourson. Investigation by Raman micro-probe of local structural changes in various LiNbO3 devices. International Conference on Advances in Functional Materials, Jun 2015, Stony Brook (NY), United States. <hal-01227828>
  • M.D. Fontana, N. Kokanyan, D. Chapron, A. Zaltron, N. Argiolas, et al.. Photorefractive properties probed by Raman spectroscopy in ferroelectric materials. ECAPD 2014, Jul 2014, Vilnius, Lithuania. <hal-01227825>
  • M. Bazzan, N. Kokanyan, A. Zaltron, N. Argiolas, D. Chapron, et al.. Time - dependent shift of the Raman frequencies induced by photorefractive effect in Fe - doped Lithium Niobate. 14th International Conference on Photorefractive Effects, Materials and Devices, Sep 2013, Winchester, United Kingdom. <hal-00866725>
  • M. Bazzan, N. Kokanyan, A. Zaltron, N. Argiolas, D. Chapron, et al.. Temperature dependence of photorefractive phenomena in lithium niobate and its polaron-based interpretation. International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany. <hal-00866719>
  • N. Kokanyan, D. Chapron, M.D. Fontana. Temperature dependence and anharmonic behaviour of optical phonons in LiNbO3. International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany. <hal-00866720>
  • N. Kokanyan, D. Chapron, M.D. Fontana. Thermal behavior of optical phonons in Lithium Niobate. 13th International Meeting on Ferroelectricity, Sep 2013, Cracovie, Poland. <hal-00866724>
  • N. Kokanyan, M.D. Fontana, D. Chapron, M. Bazzan. Time-Dependent shift of the Raman frequency induced by photorefractive effect of Fe-doped Lithium Niobate. Journées Nationales sur les cristaux Optiques, Jun 2013, Cherbourg, France. <hal-00866709>
  • M.D. Fontana, N. Kokanyan, D. Chapron, M. Bazzan, E. Kokanyan. SIte Raman spectroscopy of dopant ions in LiNbO3. ICDIM 2012, Jun 2012, Santa Fe, United States. <hal-00728940>
  • Edvard Kokanyan, M.D. Fontana, Michel Aillerie, Ninel Kokanyan. Growth and properties of Zr-doped periodically poled lithium niobate crystals. ICDIM 2012, International conference on defects and insulating materials, Jun 2012, Santa Fe, United States. Proceeding ICDIM 2012, International conference on defects and insulating materials ICDIM-2012. <hal-01248639>
  • Ninel Kokanyan, Edvard Kokanyan, V. Degiorgio, P. Minzioni, I. Cristiani. Photorefractive effect in doped lithium niobate cryststals: Dependence on the light intensity. Laser Physics - 2007, 2007, Ashtarak, Armenia. Laser Physics - 2007, 2007. <hal-01386796>
  • Ninel Kokanyan, E. Kokanyan, V. Degiorgio, I. Cristiani, Zh. Akopyan, et al.. Growth and properties of hafnium doped single-domain and periodically poled lithium niobate crystals. Laser Physics - 2006, 2006, Ashtarak, Armenia. 2006. <hal-01386821>

Thèse1 document

  • Ninel Kokanyan. Study pf photo-electrostrictives effects in photorefractive LiNbO3 probed by Raman polarized spectroscopy. Physics [physics]. Université de Lorraine (Nancy), 2015. English. <tel-01386808>