Section CNU : 63 Laboratoire de rattachement : Chercheur associé au LAPLACE - LAboratoire PLAsma et Conversion de l'Energie Département : Sciences et Technologie Mots-clés : Matériaux isolants, modélisation comportements non standard, simulation par éléments finis, FGM (field grading materials).
G. Belijar, S. Diaham, T. Lebey, L. Lévêque, Z. Valdez Nava, and L. Laudebat, Method for processing an electrically insulating material providing same with self-adjusting electric field grading properties for electrical components, European Patent Office, N° EP3465748A1, CNRS/UPS/INUC, 04 april 2019. Priority 2016-06-06 • Filed 2017-06-06 • Published 2019-04-10 • Granted 2021-05-12.
R. Khazaka, Y. Corredores, S. Diaham, Z. Valdez-Nava, L. Laudebat, T. Le. "Cable with EMI shielding using heterogenous distribution of magnetic fillers". Demande de brevet déposée le 01 juin 2019 (Brevet Safran).
D. Kenfaui, M-L. Locatelli, Z. Valdez Nava, L. Laudebat, V. Bley, P. Dufour, C.Tenailleau, S. Guillemet « Procédé de fabrication d'une pièce composite à matrice céramique, pièce composite,et composant électrique correspondant » mercredi 23 janvier 2019, à laquelle l’INPI a attribué le numéro FR1900583. Demande internationale déposée le 23/01/20 sous le n° PCT / EP2020 /051659.
C. Pelvillain, Sombel Diaham, Zarel Valdez-Nava, Lionel Laudebat, Thierry Lebey, P. Cussac, Marie-Laure Locatelli « Dispositif électronique présentant une isolation électrique multicouche, et procédé de fabrication correspondant» French patent n° FR1857417 CNRS/UPS/INUC, 09 aout 2018.
S. Diaham, Z. Valdez Nava, L. Lévèque, G. Belijar, L. Laudebat and T. Lebey, “A method of processing an electrically insulative material lending self-adaptive electric field gradation properties for electrical components”, International Patent application, N° PCT/EP2017/063740, CNRS/UPS/INUC, 6 June 2017.
S. Diaham, Z. Valdez Nava, L. Lévèque, G. Belijar, L. Laudebat and T. Lebey, “Procédé de traitement d'un matériau électriquement isolant lui conférant des propriétés de gradation de champ électrique auto-adaptatives pour composants électriques”, French Patent application, N° FR 16 55173, CNRS/UPS/INUC, 6 June 2016.
G. Kougkolos, M. Golzio, L. Laudebat, Z. Valdez-Nava, E. Flahaut "Hydrogels with electrically conductive nanomaterials for biomedical applications". J Mater Chem B. 2023 Feb 15. doi: 10.1039/d2tb02019j. PMID: 36789648. (Highlight 2023 in the Journal of Materials Chemistry B 2023 Most Popular Articles).
Driss Kenfaui, Sophie Guillemet-Fritsch, Zarel Valdez-Nava, Lionel Laudebat, Christophe Tenailleau, Pascal Dufour, Marie-Laure Locatelli, "Tuning electrical conductivity in AlN-based ceramics by incorporating graphene", Journal of the European Ceramic Society, Volume 43, Issue 5, 2023, Pages 1887-1896, ISSN 0955-2219, https://doi.org/10.1016/j.jeurceramsoc.2022.12.039.
Driss Kenfaui,, Zarel Valdez-Nava, Lionel Laudebat, Marie-Laure Locatelli,, Céline Combettes, Vincent Bley, Sorin Dinculescu, Christophe Tenailleau, Pascal Dufour & Sophie Guillemet-Fritsch "Innovative ceramic-matrix composite substrates with tunable electrical conductivity for high–power applications", Science and Technology of Advanced (2022), 23:1, 735-751 Materials, DOI: 10.1080/14686996.2022.2137695
S. Diaham, Z. Valdez-Nava, L. Lévêque, T. T. Le, L. Laudebat and T. Lebey, "Field Grading Composites Tailored by Electrophoresis — Part 1 : Principle and Permittivity Gradient in Uniform Electric Field," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 28, no. 2, pp. 333-340, April 2021, doi: 10.1109/TDEI.2020.009030.
S. Diaham, Z. Valdez-Nava, T. T. Le, L. Lévêque, L. Laudebat and T. Lebey, "Field Grading Composites Tailored by Electrophoresis — Part 2 : Permittivity Gradient in Non-Uniform Electric Field," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 28, no. 2, pp. 341-347, April 2021, doi: 10.1109/TDEI.2020.009031.
S. Diaham, Z. Valdez-Nava, T. T. Le, L. Lévêque, L. Laudebat and T. Lebey, "Field Grading Composites Tailored by Electrophoresis — Part 3 : Application to Power Electronics Modules Encapsulation," in IEEE Transactions on Dielectrics and Electrical Insulation, vol. 28, no. 2, pp. 348-354, April 2021, doi: 10.1109/TDEI.2020.009032.
Can-Ortiz, A.; Laudebat, L.; Valdez-Nava, Z.; Diaham, S. Nonlinear Electrical Conduction in Polymer Composites for Field Grading in High-Voltage Applications: A Review. Polymers 2021, 13, 1370. https://doi.org/10.3390/polym13091370.
S. Hahusseau, B. Baracat, T. Lebey, L; Laudebat, Z. Valdez, A. Delorme. Heart rate variability biofeedback intero-nociceptive emotion exposure therapy for adverse childhood experiences, F1000Research 2020, 9:326 (https://doi.org/10.12688/f1000research.20776.1)
H. Hourdequin, L. Laudebat, M-L. Locatelli, Z. Valdez-Nava, P. Bidan, Metallized ceramic substrate with mesa structure for voltage ramp-up of power modules, Eur. Phys. J. Appl. Phys. 87, 20903 (2019).
G. Belijar, Z. Valdez-Nava, D.Diaham, L.Laudebat, Th.Lebey, T.B. Jones “Dynamics of particle chain formation in a liquid polymer under ac electric field: modeling and experiments" Journal of Physics D: Applied Physics, Volume 50, Number 2, 18 janvier 2017.
C.Cheballah, Z. Valdez-Nava, L. Laudebat, S. Guillemet-Fritsh, Thierry Lebey "Electrical characterization and modelization of CaCu3Ti4O12 polycrystalline ceramics", Eur. Phys. J. Appl. Phys. Volume 70, Number 3, June 2015, Electrical Engineering Symposium (SGE 2014)
C.Cheballah, Z. Valdez-Nava, L.Laudebat, T.Lebey, P.Bidan, S.Diaham, S.Guillemet-Fritsch, "Dielectric properties of colossal permittivity materials: an update"; Journal of Energy and Power Engineering, Vol.7 (2013) pp 726-732. http://davidpublishing.com/show.html?12425 (article sélectionné lors du CEIDP)
G Kougkolos, G Alberola, B Jouanmiqueou, L Laudebat, M Golzio, Z Valdez-Nava, E Flahaut, Skin electroporation for non-invasive drug delivery : Electrical properties of skin models and fluorescent molecule delivery ‐ 4th World Congress on Electroporation & Pulsed Electric Fields in Biology, Medicine, Food and Environmental Technologies, 9-13 octobre 2022 Copenhagen, Denmark.
Y. Kemari, C. Van De Steen, G. Belijar, L. Laudebat, S. Diaham, Z. Valdez-Nava and C. Abadie, A Townsend’s Secondary Ionization Coefficient Estimation Method for Partial Discharge Inception Voltage Prediction for Insulating Polymers, 4th IEEE International Conference on Dielectrics (ICD), 3-7 July, Palermo, Italy, pp. 226-229, 2022.
G.Kougkolos, J. Simon, L. Laudebat, S. Dinculescu, M. Golzio, Z. Valdez-Nava, E. Flahaut; "Modelling of non-invasive drug delivery through skin electroporation" EBTT Slovénie Electroporation-Based Technologies and Treatments, International SCIENTIFIC WORKSHOP, November 14-20, 2021 Ljubljana, Slovenia
A. Can-Ortiz, Z. Valdez-Nava, L. Laudebat, S. Diaham, Sombel, "Epoxy-Based SiC Composites with Non-Linear Electrical Properties for Field Grading Applications", Annu. Rep. - Conf. Electr. Insul. Dielectr. Phenomena, CEIDP, Vancouver, Canada, 2021,
PELVILLAIN, Cyril; VALDEZ-NAVA, Zarel; DIAHAM, Sombel; LAUDEBAT, Lionel; CUSSAC, Philippe; LOCATELLI, Maire-Laure; LEBEY, Thierry, Application of a field grading multi-layer encapsulation for power modules, Annu. Rep. - Conf. Electr. Insul. Dielectr. Phenomena, CEIDP, Vancouver, Canada, 2021,
T. Zhou, M-L. Locatelli, L. Laudebat, P. Bidan, "FEM simulation based study of electric field reduction by linear and nonlinear resistive solution for HV power module under switching operation", Annu. Rep. - Conf. Electr. Insul. Dielectr. Phenomena, CEIDP, Vancouver, Canada, 2021,
T.T. Le, R. Khazaka, Z. Valdez-Nava, G. Belijar, L. Laudebat, S. Diaham, "Process optimization for heterogeneous capacitive grading materials by voltage and time monitoring", Annu. Rep. - Conf. Electr. Insul. Dielectr. Phenomena, CEIDP, Vancouver, Canada, 2021,
Youcef Kemari, Guillaume Belijar, Lionel Laudebat, Sombel Diaham, Zarel Valdez Nava, Partial Discharge Inception Voltage: Precise and Robust Numerical Estimation Based on Extensive Dielectric Spectroscopy Measurements, IEEE Electr. Insul. Conf., Virtual Conference - June 7 - 28, 2021.
Tianbo ZHOU, Lionel LAUDEBAT, Marie-Laure LOCATELLI, Pierre BIDAN "SpainTime domain simulation of insulating dielectric materials with non instantaneous polarization. COMSOL CONFERENCE 2020 EUROPE, 14-15 october (Remote).
T. T. Le, Z. Valdez-Nava, G. Belijar, S. Diaham, L. Laudebat, L. Fetouhi, R. Khazaka “Original design of field grading materials for high voltage power module applications“ International Conference on Dielectrics (ICD) 2020, 5-9 Juillet 2020, Valence, Spain (Remote).
Z. Valdez-Nava, D. Kenfaui, M-L Locatelli, L. Laudebat, S. Guillemet-Fritsch « Ceramic substrates for high voltage power electronics : past, present and future » International Workshop on ntegrated Power Packaging (IWIPP) 2019, Toulouse, France, April 24-26, 2019.
D. Kenfaui, S. Guillemet-Fritsch, P. Dufour, C. Tenailleau, M. Locatelli, V. Bley, L. Laudebat, Z. Valdez-Nava, « Electrically conductive AlN by incorporation of graphene nanoplatelets », Electronic Materials and Applications 2019 (EMA 2019), Orlando, FL, USA, January 23-25, 2019.
S. Diaham, Z. Valdez Nava, L. Lévêque, T. T. Le, L. Laudebat and T. Lebey « An Original Way to Tailor Field Grading Composite Materials with Permittivity Gradient by Electrophoresis », International Conference on Dielectrics (ICD) 2018, 1-8 Juillet 2018, Budapest, Hungary.
L. Laudebat, O. Mathieu, Z. Vadez-Nava, M-L Locatelli, S Dinculescu, C. Buttay, H. Reynes « Symposium Medium Voltage Power Electronics 28th of September 2017, Fraunhofer Forum Berlin », Berlin (Germany), (Conférence invité 30 min) Dielectric properties of ceramic substrates and current developments for medium voltage", 1er Symposium en Électronique de puissance à moyenne tension organisé par le Fraunhofer-Institut, 28 septembre 2017, Berlin (Allemagne).
G. Belijar, Z. Valdez-Nava1, S. Diaham, L. Laudebat, T. Lebey « Measurement of the dielectric permittivity of ceramic powders: A general approach by using dielectrophoretic forces » 8th International Symposium on Electrical Insulating Materials at Toyohashi Chamber of Commerce & Industry, Toyohashi City, Japan , September 12-15, 2017
G. Belijar, Z. Valdez-Nava, D.Diaham, L.Laudebat, Th.Lebey, T.B. Jones "Tailoring of electric field structured composite, model and experiment » Dielectrophoresis 2016, July 13 – 15, 2016 Massachusetts Institute of Technology Cambridge, MA, USA.
H.Hourdequin, L.Laudebat, M-M. Locatelli, P.Bidan « Design of packaging structures for high voltage power electronics devices : electric field stress on insulation », International Conference on Dielectrics (ICD) 2016, 3-7 Juillet 2016, Montpellier, France.
G. Belijar, Z. Valdez-Nava, D.Diaham, L.Laudebat, Th.Lebey, T.B. Jones « Particle chain formation in a liquid polymer under AC electric field : model and experience » ; International Conference on Dielectrics (ICD) 2016, 3-7 Juillet 2016, Montpellier, France.
L. Leveque, S. Diaham, Z. Valdez-Nava, L. L.Laudebat and T.Lebey "Effects of Filler Content on Dielectric Properties of Epoxy/BaTiO3 and Epoxy/SrTiO3 Composites"; 18 au 21 octobre 2015, IEEE Conference on Electrical Insulation and Dielectric Phenomena - CEIDP 2015, Ann Arbor, MI, USA.
Z. Valdez-Nava, S. Diaham, G. Belijar, L. Leveque, L. Laudebat, M. Kozako and T. Lebey, « Tailoring the Dielectric Properties of Composites Using Electrokinetic Forces: Recent Developments » - 2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM), 19-22 July, 2015, Sydney, Australia.
C.Cheballah, Z.Valdez-Nava, L.Laudebat, T.Lebey, P.Bidan, S.Diaham, S.Guillemet-Fritsch, "Dielectric properties of colossal permittivity materials: an update"; 16 au 19 octobre 2011, IEEE Conference on Electrical Insulation and Dielectric Phenomena - CEIDP 2011, Cancun (Mexique). http://dx.doi.org/10.1109/ CEIDP.2011.6232754.
C.Cheballah, Z.Valdez-Nava, L.Laudebat, T.Lebey, P.Bidan, S.Guillemet-Fritsch, “Schottky-barrier regulated DC conduction in polycrystalline CaCu3Ti4O12"; 12 au 15 septembre 2011, European Congress and Exhibition on Advanced Materials and Processes - EUROMAT 2011 Montpellier (France).
C.Cheballah, Z.Valdez-Nava, L.Laudebat, T. Lebey, P.Bidan, S.Diaham, S.Guillemet-Fritsch. ”Bulk and local electrical properties of the colossal dielectric constant materials : the case of the CaCu3Ti4O12”, Electroceramics XIII, University of Twente-Enschende,. 24-27 juin 2012. (Netherlands).
Y.Kougkolos, J. Simon, L. Laudebat, S. Dinculescu, G. Alberola, et al.. "Physical modelling of transdermal drug delivery through non-invasive electroporation". Jeunes Chercheurs en Génie Électrique (JCGE22), Jun 2022, Le Croisic, France
M-L. Locatelli, D. Kenfui, L.Laudebat, Z. Valdez Nava, C. Combettes, P. Dufour, C. Tenailleau, S. Guillemet-Fritsch "Substrat céramique intégrant une poche nanocomposite résistive pour la montée en tension des modules de puissance " Symposium du Génie Electrique (SGE 2020), Nantes les 06 juillet-08 juillet 2021.
Marie-Laure Locatelli, Driss Kenfaui, Lionel Laudebat, Zarel Valdez-Nava, Céline Combettes, Pascal Dufour, Christophe Tenailleau, Sophie Guillemet-Fritsch, Substrat céramique intégrant une poche nanocomposite résistive pour la montée en tension des modules de puissance, Symposium de Génie Electrique 2020, Session spéciale HVDC;
H.Hourdequin, L.Laudebat, M-L. Locatelli, Z.Valdez, P.Bidan « Substrat métallisé céramique en structure mesa pour la montée en tension des modules de puissance», Symposium de Génie Electrique 2018, 3-5 juillet 2018, Nancy
L. Leveque, S. Diaham, Z. Valdez-Nava, L. L.Laudebat and T.Lebey « Conductivité électrique de polymères composites à forte permittivité, analyse sous fort champ électrique» Symposium de Génie Electrique 2016, 7-8-9 juin 2016, Grenoble.
H.Hourdequin, L.Laudebat, M-L. Locatelli, P.Bidan « Contribution à la conception de structures de packaging pour les modules de puissance très haute tension : contraintes sur les isolants » Symposium de Génie Electrique 2016, 7-8-9 juin 2016, Grenoble.
G. Belijar, Z. Valdez-Nava, D.Diaham, L.Laudebat, Th.Lebey, T.B. Jones "Réalisation expérimentale et modélisation de la formation de chaînes de particules sous l'action d'un champ électrique » Symposium de Génie Electrique 2016, 7-8-9 juin 2016, Grenoble.
C.Cheballah, Z.Valdez-Nava, L.Laudebat, T.Lebey "caracterisation du CaCu3Ti4O12 en c(v) pour l’amélioration du modèle et de la compréhension de son comportement". Symposium de Génie Electrique (SGE), 2014. Date : 8, 9 et 10 Juillet 2014, Cachan.
Electricité, Electronique de puissance, Energie Electrique, Automatique, Gestion de Projet.
en L1, L2 et L3 des Licences Physique Chimie et EEA
à ISIS et IMT Mines Albi.