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Ninel Kokanyan

70
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Presentation

**Research topics :** \- Raman Spectroscopy of ferroelectric materials \- Studies of photorefractive crystals \- Materials for high temperature wireless SAW applications \- Development of optical sensors for industrial applications \- Use of statistical chemometrical tools, ex. Principal Component Analysis (PCA). ** Qualifications CNU** dans les sections **28 "Milieux denses et Matériaux"** et **30 "Milieux dilués et Optique"** **Membre de la Société Francaise d'Optique (SFO)** **Membre de la Société Europeen d'Optique (EOS)** **Membre du Groupe Français de Spectroscopie Vibrationnelle (GFSV)** **Referee/Reviewer :** Journa of Applied Phsycis (American Institute of Science) - IF 2.06, Mdpi Crystals, Mdpi Materials, Mdpi Applied Sciences

Publications

Raman spectroscopy applied to online monitoring of a bioreactor: Tackling the limit of detection

 Ning Yang , Cédric Guerin , Ninel Kokanyan , Patrick Perré
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2024, 304, pp.123343. ⟨10.1016/j.saa.2023.123343⟩
Journal articles hal-04227441v1
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Innovative NiAl Electrodes for Long-Term, Intermediate High-Temperature SAW Sensing Applications Using LiNbO 3 Substrates

 Jordan Maufay , Baptiste Paulmier , Mélanie Emo , Ulrich Youbi , Esther Mbina
IEEE Sensors Journal, 2023, 23 (15), pp.16691-16698. ⟨10.1109/JSEN.2023.3289008⟩
Journal articles hal-04203561v1
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Investigations of grinding burn on a nitrided steel

 B. Lavisse , Laurent Weiss , Ninel Kokanyan , André Lefebvre , Emerik Henrion
Procedia CIRP, 2022, 108, pp.549-554. ⟨10.1016/j.procir.2022.03.086⟩
Journal articles hal-03721578v1
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Langasite as Piezoelectric Substrate for Sensors in Harsh Environments: Investigation of Surface Degradation under High-Temperature Air Atmosphere

 Thierry Aubert , Ninel Kokanyan , Omar Elmazria
Sensors, 2021, 21 (17), pp.5978. ⟨10.3390/s21175978⟩
Journal articles hal-03394418v1

Raman scattering and fluorescent behaviors in Ba0.96Nd0.0267Ti(1-x)WxO3 (x = 0.00 and x = 0.05) ceramics

 Z. Raddaoui , Ninel Kokanyan , M.D. Fontana , S.E. Kossi , J. Dhahri
Journal of Molecular Structure, 2021, 1230, pp.129939. ⟨10.1016/j.molstruc.2021.129939⟩
Journal articles hal-03210792v1
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LiNbO3-Tm3+ Crystal. Material for Optical Cooling

 Ninel Kokanyan , Nune Mkhitaryan , Gagik Demirkhanyan , Ajith Kumar , Michel Aillerie
Crystals, 2021, 11 (1), pp.50. ⟨10.3390/cryst11010050⟩
Journal articles hal-03210788v1

Graphene Thermal Conductivity at Room Temperatures and Its Relationship with Thermal Expansion

 A. Yeganyan , K. Hovhannesyan , Ninel Kokanyan , Michel Aillerie , E. Kokanyan
Journal of Contemporary Physics (Armenian Academy of Sciences), 2021, 56 (1), pp.22-24. ⟨10.3103/S1068337221010138⟩
Journal articles hal-03210795v1
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Mechanical-chemical coupling in Temporomandibular Joint disc

 Rodney Marcelo Do Nascimento , Adrien Baldit , Ninel Kokanyan , Lara Kristin Tappert , Paul Lipinski
Materialia, 2020, 9, pp.100549. ⟨10.1016/j.mtla.2019.100549⟩
Journal articles hal-02497206v1
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Sub-THz Raman response in BaTiO3 and link with structural phase transition

 Marc D. Fontana , Ninel Kokanyan , Thomas H Kauffmann
Journal of Physics: Condensed Matter, 2020, 32 (28), pp.285403. ⟨10.1088/1361-648X/ab808e⟩
Journal articles hal-02514778v1
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Electro-optic properties of singly and doubly doped lithium niobate crystal by rare earth elements for optoelectronic and laser applications

 Nune Mkhitaryan , Jean Zaraket , Ninel Kokanyan , Edvard Kokanyan , Michel Aillerie
European Physical Journal: Applied Physics, 2019, 85 (3), pp.30502. ⟨10.1051/epjap/2019180317⟩
Journal articles hal-02138754v1
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Low- Temperature Synthesis and Characteristics of Fractal Graphene Layers

 Narek Margaryan , Ninel Kokanyan , Edvard Kokanyan
Journal of Saudi Chemical Society, inPress, 85, pp.30502. ⟨10.1016/j.jscs.2018.03.004⟩
Journal articles hal-01763912v1

Estimation of the Thermal Expansion Coefficient of Graphene in the Temperature Range of 100-700 degrees K

 A. Yeganyan , E. Kokanyan , Ninel Kokanyan , M. Aillerie , T. Aubert
Journal of Contemporary Physics (Armenian Academy of Sciences), 2019, 54 (3), pp.302-307. ⟨10.3103/S1068337219030113⟩
Journal articles hal-02305202v1

Time evolution of Symmetry-forbidden Raman lines activated by photorefractivity

 Ninel Kokanyan , Marco Bazzan , Laura Vittadello , David Chapron , Edvard Kokanyan
Scientific Reports, 2019, 9 (1), ⟨10.1038/s41598-019-49801-x⟩
Journal articles hal-02301461v1

Composition dependence of the electro‐optic properties of iron‐doped lithium niobate crystals mounted as bulk modulator

 Anush Danielyan , Ninel Kokanyan , Sergey Kostritskii , Edvard Kokanyan , Michel Aillerie
Journal of the American Ceramic Society, 2019, 102 (6), pp.3535-3546. ⟨10.1111/jace.16204⟩
Journal articles hal-02429846v1
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Use of Stokes and anti‐Stokes Raman scattering for new applications

 T.H. Kauffmann , Ninel Kokanyan , Marc D. Fontana
Journal of Raman Spectroscopy, 2019, 50 (3), pp.418-424. ⟨10.1002/jrs.5523⟩
Journal articles hal-01930437v1
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Stoichiometric Lithium Niobate Crystals: Towards Identifiable Wireless Surface Acoustic Wave Sensors Operable up to 600 °C

 Jérémy Streque , Thierry Aubert , Ninel Kokanyan , Florian Bartoli , Amine Taguett
IEEE Sensors Letters, 2019, 3 (4), pp.1-4. ⟨10.1109/LSENS.2019.2908691⟩
Journal articles hal-02114799v1

Magnetron-sputtered copper/diamond-like carbon composite thin films with super anti-corrosion properties

 Sara Khamseh , Eiman Alibakhshi , Mohammad Mahdavian , Mohammad Reza Saeb , Henri Vahabi
Surface and Coatings Technology, 2018, 333, pp.148-157. ⟨10.1016/j.surfcoat.2017.11.012⟩
Journal articles hal-02303835v1

HO-DOPED LITHIUM NIOBATE THIN FILMS. GROWTH AND PROPERTIES

 Edvard Kokanyan , Anush Movsesyan , Marco Bazzan , Ira Ghambaryan , A. Yeganyan
ВЕСТНИК РОССИЙСКО-АРМЯНСКОГО (СЛАВЯНСКОГО) УНИВЕРСИТЕТА: ФИЗИКО-МАТЕМАТИЧЕСКИЕ И ЕСТЕСТВЕННЫЕ НАУКИ , 2017, Bulletin de l'université russe-arménienne (slave): sciences physiques-mathématiques et naturelles, 1, pp.68-75
Journal articles hal-02429842v1
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Photorefractive Lithium Niobate crystals: light polarisation rotation highlighted by transmission Raman spectroscopy

 Ninel Kokanyan , Marco Bazzan , D. Chapron , Marc D. Fontana
Journal of Physics: Conference Series, 2017, 867 (1), pp.12035 - 12035. ⟨10.1088/1742-6596/867/1/012035⟩
Journal articles hal-01582077v1
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The clamped and unclamped effective electro-optic coefficients of zirconium-doped congruent lithium niobate crystals

 Mustapha Abarkan , Anush Danielyan , Ninel Kokanyan , Michel Aillerie , Sergey M. Kostritskii
Journal of Physics: Conference Series, 2017, 879, pp.012004. ⟨10.1088/1742-6596/879/1/012004⟩
Journal articles hal-01582082v1
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Zr doping on lithium niobate crystals: Raman spectroscopy and chemometrics

 Ninel Kokanyan , D. Chapron , Edvard Kokanyan , Marc D. Fontana
Journal of Applied Physics, 2017, 121, pp.095103. ⟨10.1063/1.4977849⟩
Journal articles hal-01467226v1

Growth and investigation of physical properties of holmium doped lithium niobate crystals

 Ninel Kokanyan , Anush Movsesyan , I. Ghambaryan , Edvard Kokanyan
Scientific News ASPU, 2015, pp.68-78
Journal articles hal-01386616v1

Temperature dependence of Raman scattering and anharmonic properties in LiNbO3

 N. Kokanyan , D. Chapron , M.D. Fontana
Applied physics. A, Materials science & processing, 2014, ⟨10.1007/s00339-014-8485-1⟩
Journal articles hal-01002530v1
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Electro-optic and dielectric properties of Zirconium-doped congruent lithium-niobate crystals

 Mustapha Abarkan , Michel Aillerie , Ninel Kokanyan , Clément Teyssandier , Edvard Kokanyan
Optical Materials Express, 2014, 4 (1), pp.179-189. ⟨10.1364/OME.4.000179⟩
Journal articles hal-01467230v1
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Raman frequency shift induced by photorefractive effect on Fe-doped lithium niobate

 M Bazzan , Ninel Kokanyan , A Zaltron , N Argiolas , D. Chapron
Journal of Applied Physics, 2013, 114 (16), pp.163506. ⟨10.1063/1.4826628⟩
Journal articles hal-01385633v1

Online monitoring of bioreactor based on Raman spectroscopy

 Ning Yang , Cédric Guerin , Ninel Kokanyan , Patrick Perre
19th European Conference on the Spectroscopy of Biological Molecules (ECSBM 2022), Aug 2022, Reims, France
Conference papers hal-04433097v1
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Evolution of PV solar modules parameters operating in extreme environments

 Jean Zaraket , Ninel Kokanyan , Michel Aillerie , Chafic Salame
Technologies and materials for renewable energy, environment and sustainability : TMREES20, Jun 2020, Athens, Greece. pp.020058, ⟨10.1063/5.0032651⟩
Conference papers hal-03092715v1
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Analysis of defects of PV solar modules using deep level transient spectroscopy. Feasability and limits

 Jean Zaraket , Ninel Kokanyan , Michel Aillerie , Chafic Salame
Technologies and materials for renewable energy, environment and sustainability : TMREES20, Jun 2020, Athens, Greece. pp.020057, ⟨10.1063/5.0032650⟩
Conference papers hal-03092712v1
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Enhanced ZnO based solar cell efficiency by piezo-phototronic effect

 Rabeb Belghouthi , Ninel Kokanyan , Michel Aillerie
Technologies and materials for renewable energy, environment and sustainability : TMREES20, Jun 2020, Athens, Greece. pp.020059, ⟨10.1063/5.0032652⟩
Conference papers hal-03092718v1

Iron-doped Lithium Niobate crystals studied by Raman spectroscopy

 Ninel Kokanyan , Anush Danielyan , Thierry Aubert , Narine Babajanyan , Michel Aillerie
Optics and it's Applications, Sep 2019, Yerevan, Armenia
Conference papers hal-02305198v1

LiNbO3:Tm3+ crystal: Material for optical cooling

 Nune Mkhitaryan , Ninel Kokanyan , Gagik Demirkhanyan , Edvard Kokanyan
Laser Physics (LP-2019), Sep 2019, Ashtarak, Armenia
Conference papers hal-02306691v1

Symmetry forbidden Raman lines activated by photorefractivity

 Ninel Kokanyan , Marco Bazzan , Laura Vittadello , D. Chapron , Edvard Kokanyan
Laser Physics 2019, Sep 2019, Ashtarak, Armenia
Conference papers hal-02305195v1

Suivi en temps réel de la fermentation alcoolique par spectroscopie Raman

 Victor Colas , Ninel Kokanyan , Cédric Guerin , Emilie Michiels , Thierry Aubert
25ème Journées de Groupe Français de Spectroscopie Vibrationnelle (GFSV 2019), May 2019, Lyon, France
Conference papers hal-02139584v1

Photorefractive properties of lithium niobate crystals studied by Raman spectroscopy

 Ninel Kokanyan , Anush Danielyan , Michel Aillerie , Sergey M Kostritskii , Thierry Aubert
Applications of Optics and Photonics (AOP) 2019, May 2019, Lisbonne, Portugal
Conference papers hal-02190312v1

ScAlN thin films studied by Raman spectroscopy

 Ninel Kokanyan , Florian Bartoli , Thierry Aubert , Omar Elmazria , Philippe Pigeat
Photorefractive Photonics and Beyond (PR'19), Jun 2019, Gerardmer, France
Conference papers hal-02190315v1

Estimation of thermal expansion coefficient of graphene in the temperature range of 100-700K

 Edvard Kokanyan , Atom Yeganyan , Ninel Kokanyan , Michel Aillerie , Thierry Aubert
Photorefractive Photonics and Beyond (PR'19), Jun 2019, Gerardmer, France
Conference papers hal-02190321v1

Use of Raman Stokes and anti-Stokes scattering for new applications

 Ninel Kokanyan , T.H. Kauffmann , Marc D. Fontana
25ème Journées de Groupe Français de Spectroscopie Vibrationnelle (GFSV 2019), May 2019, Lyon, France
Conference papers hal-02139585v1

Raman spectroscopy and luminescence of Ho-doped lithium niobate crystals

 Ninel Kokanyan , Naira Babajanyan , Anush Movsesyan , Marc D. Fontana , Edvard Kokanyan
Laser Physics - 2018, Sep 2018, Ashtarak, Armenia
Conference papers hal-01874972v1
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Luminescence of Ho-doped lithium niobate crystals highlighted by Raman Spectroscopy

 Ninel Kokanyan , Edvard Kokanyan , Naira Babajanyan , T.H. Kauffmann , Marc D. Fontana
SPIE Optics + Photonics, SPIE, Aug 2018, San Diego, United States. ⟨10.1117/12.2318550⟩
Conference papers hal-01863538v1

Ho-doped lithium niobate thin films: creation and characterization

 Anush Movsesyan , Marco Bazzan , Ninel Kokanyan , Ira Ghambaryan , A. Yeganyan
Laser Physics-2018, Sep 2018, Ashtarak, Armenia
Conference papers hal-01925752v1

Raman spectrometry characterization of iron doped different composition lithium niobate crystals

 Naira Babajanyan , Ninel Kokanyan , Anush Danielyan , Michel Aillerie , Thierry Aubert
Laser Physics - 2018, Sep 2018, Ashtarak, Armenia
Conference papers hal-01874971v1

Composition dependence of the electro-optic properties of iron doped lithium niobate crystals

 Anush Danielyan , Ninel Kokanyan , Sergey M Kostritskii , Michel Aillerie , Edvard Kokanyan
Laser Physics - 2018, Sep 2018, Ashtarak, Armenia
Conference papers hal-01874970v1

Electro-optic properties of rare earth ions doped lithium niobate

 Nune Mkhitaryan , Michel Aillerie , Ninel Kokanyan , Jean Zaraket , Naira Babajanyan
Laser Physics - 2018, Sep 2018, Ashtarak, Armenia
Conference papers hal-01874973v1

Breaking of Raman selection rules in photorefractive iron doped Lithium Niobate crystals

 Ninel Kokanyan , Marco Bazzan , Edvard Kokanyan , D. Chapron , Marc D. Fontana
24ème Journées de Groupe Française de Spectroscopie Vibrationnelle (GFSV), May 2018, Ventron, France
Conference papers hal-01796615v1
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First investigations on stoichiometric lithium niobate as piezoelectric substrate for high-temperature surface acoustic waves applications

 Thierry Aubert , Ninel Kokanyan , Hassan Alhousseini , Amine Taguett , Florian Bartoli
IEEE Sensors 2017, IEEE, Oct 2017, Glasgow, United Kingdom. pp.576, ⟨10.1109/icsens.2017.8234068⟩
Conference papers hal-01628825v1

Photorefractive Lithium Niobate crystals: light polarisation rotation highlighted by transmission Raman spectroscopy

 Ninel Kokanyan , Marco Bazzan , D. Chapron , Marc D. Fontana
Photorefractive Photonics 17, Jul 2017, Qingdao, China
Conference papers hal-01571579v1

The AFM and Raman Study of Few Layer Graphene

Narek Margaryan , Ninel Kokanyan , Edvard Kokanyan
Nanotech Middle East 2017 International Conference, Dec 2017, Dubai, United Arab Emirates
Conference papers hal-01760047v1

Lithium niobate, a ferroelectric and versatile material for optical applications: structure control and optimization

 M.D. Fontana , Ninel Kokanyan , D. Chapron , P. Bourson
BIT’s 3rd Annual World Congress of Smart Materials-2017, Mar 2017, Bangkok, Thailand
Conference papers hal-01520608v1

BaTiO3: Raman spectra, lattice dynamics and phase transitions

 M.D. Fontana , T.H. Kauffmann , Ninel Kokanyan
International Workshop “Spectroscopy of Ferroic Materials” In Memory of Professor Yury Yuzyuk, Jun 2017, Amiens, France
Conference papers hal-01744817v1

Physical properties of iron doped LiNbO3 from sub-congruent to quasi-stoechiometric crystals

 Anush Danielyan , Laura Vittadello , Michel Aillerie , Edvard Kokanyan , Ninel Kokanyan
NAMES2016 : 4th French-Russia seminar New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France
Conference papers hal-01402221v1

Recent advances in Electro-optic and their link with the photorefractive properties of doped congruent lithium-niobate crystals

 Michel Aillerie , Edvard Kokanyan , Anush Movsesyan , Anush Danielyan , Ninel Kokanyan
NAMES2016 : 4th French-Russia seminar New Achievements in Materials and Environmental Sciences, Nov 2016, Nancy, France
Conference papers hal-01402216v1

Effect of Zr doping on the structure of Lithium Niobate crystals: Site spectroscopy and Chemometrics

 Ninel Kokanyan , D. Chapron , Edvard Kokanyan , Marc D. Fontana
NAMES'16, Nov 2016, Nancy, France
Conference papers hal-01394285v1

Investigation by Raman micro-probe of local structural changes in various LiNbO3 devices

 M.D. Fontana , N. Kokanyan , D. Chapron , P. Bourson
International Conference on Advances in Functional Materials, Jun 2015, Stony Brook (NY), United States
Conference papers hal-01227828v1

Lithium niobate, a versatile material for many applications in optoelectronics: recent developments

 M.D. Fontana , N. Kokanyan , D. Chapron , P. Bourson
International Meeting on Materials for Electronic Applications: IMMEA-2015, Sep 2015, Marrakech, Morocco
Conference papers hal-01227838v1

Photorefractive properties probed by Raman spectroscopy in ferroelectric materials

 M.D. Fontana , N. Kokanyan , D. Chapron , A. Zaltron , N. Argiolas
ECAPD 2014, Jul 2014, Vilnius, Lithuania
Conference papers hal-01227825v1

Temperature dependence and anharmonic behaviour of optical phonons in LiNbO3

 N. Kokanyan , D. Chapron , M.D. Fontana
International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany
Conference papers hal-00866720v1

Time-Dependent shift of the Raman frequency induced by photorefractive effect of Fe-doped Lithium Niobate

 N. Kokanyan , M.D. Fontana , D. Chapron , M. Bazzan
Journées Nationales sur les cristaux Optiques, Jun 2013, Cherbourg, France
Conference papers hal-00866709v1

Temperature dependence of photorefractive phenomena in lithium niobate and its polaron-based interpretation

 M. Bazzan , N. Kokanyan , A. Zaltron , N. Argiolas , D. Chapron
International workshop on Stoichiometric LiNbO3, Sep 2013, Goslar, Germany
Conference papers hal-00866719v1

Thermal behavior of optical phonons in Lithium Niobate

 N. Kokanyan , D. Chapron , M.D. Fontana
13th International Meeting on Ferroelectricity, Sep 2013, Cracovie, Poland
Conference papers hal-00866724v1

Time - dependent shift of the Raman frequencies induced by photorefractive effect in Fe - doped Lithium Niobate

 M. Bazzan , N. Kokanyan , A. Zaltron , N. Argiolas , D. Chapron
14th International Conference on Photorefractive Effects, Materials and Devices, Sep 2013, Winchester, United Kingdom
Conference papers hal-00866725v1

Growth and properties of Zr-doped periodically poled lithium niobate crystals

 Edvard Kokanyan , M.D. Fontana , Michel Aillerie , Ninel Kokanyan
ICDIM 2012, International conference on defects and insulating materials, Jun 2012, Santa Fe, United States
Conference papers hal-01248639v1

SIte Raman spectroscopy of dopant ions in LiNbO3

 M.D. Fontana , N. Kokanyan , D. Chapron , M. Bazzan , E. Kokanyan
ICDIM 2012, Jun 2012, Santa Fe, United States
Conference papers hal-00728940v1

Photorefractive effect in doped lithium niobate cryststals: Dependence on the light intensity

 Ninel Kokanyan , Edvard Kokanyan , V. Degiorgio , P. Minzioni , I. Cristiani
Laser Physics - 2007, 2007, Ashtarak, Armenia
Conference papers hal-01386796v1

Growth and properties of hafnium doped single-domain and periodically poled lithium niobate crystals

 Ninel Kokanyan , E. Kokanyan , V. Degiorgio , I. Cristiani , Zh. Akopyan
Laser Physics - 2006, 2006, Ashtarak, Armenia
Conference papers hal-01386821v1

Raman in-situ monitoring by machine learning in bioproduction

 Ning Yang , Cédric Guerin , Rawdha Dekhili , Ninel Kokanyan , Patrick Perre
Colloque Jumeaux Numériques, Feb 2023, Gif-Sur Yvette, France.
Conference poster hal-04433133v1

Improved online monitoring model of bioreactor by Raman spectroscopy

 Ning Yang , Cédric Guerin , Ninel Kokanyan , Patrick Perré
29ème journées scientifiques du GFSV, May 2023, Deauville, France.
Conference poster hal-04433147v1
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Investigation of the limit operating temperature of LiNbO3 as substrate for SAW devices

 Jordan Maufay , Thierry Aubert , Ninel Kokanyan , Cécile Floer , Sami Hage-Ali
IEEE International Ultrasonics Symposium, Sep 2020, Las Vegas (Virtual), United States
Conference poster hal-03029837v1

Spectroscopie et spectrométrie Raman

 Patrice Bourson , Guilhem Simon , D. Chapron , Ninel Kokanyan , Philippe Colomban
Spectroscopies vibrationnelles, Editions des archives contemporaines, pp.109-154, 2020, ⟨10.17184/eac.4199⟩
Book sections hal-03218611v1

Installation de détection d'au moins un paramètre caractéristique d'un milieu et procédé de détection d'au moins un tel paramètre caractéristique

 Patrick Perre , Ninel Kokanyan , Cédric Guerin , Mahamadou Mounkaila , Emilie Michiels
France, N° de brevet: FR3122735A1, WO2022233796A1, CA3215706A1. 2021
Patents hal-04464969v1
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Study of photo-electrostrictive effects in photorefractive LiNbO3 probed by polarized Raman spectroscopy

 Ninel Kokanyan
Physics [physics]. Université de Lorraine, 2015. English. ⟨NNT : 2015LORR0087⟩
Theses tel-01386808v2