Photo de Julien Brault
Name : Julien Brault
Status :
Grade : DR2
Team(s) : Opto   
: +33 4 93 95 4108

Activities


Head of the Opto team

Development of III-N Semiconductor Heterostructures and Devices Grown by Molecular Beam Epitaxy :

Main projects :

  • Wide Band Gap AlGaN based Materials for Optoelectronics
    • Hetero-epitaxy of AlN on sapphire substrates (MBE, MOCVD) for UV devices
    • p type doping of AlGaN for LEDs & lasers, and transistor technology for RF applications
      (Projects : ANR Labex GANEX APOGEE 2020-24, PRCE NANOGANUV 2015-19 et EDGaN 2016-20)
  • Nanostructured AlGaN Active Regions for High Internal Quantum Efficiency
    • AlGaN nanostructure engineering : quantum dots/wires/wells
    • Epitaxial growth on « high Miller index » surfaces
    • Monolithic integration MBE processes on sapphire substrates
      (Projects : ANR PRCE NANOGANUV 2015-19 et Labex GANEX APOGEE 2020-24)
  • Quantum Heterostructure Engineering for Ultra-Violet Devices
    • Development of AlGaN based tunnel junctions
    • Diodes & lasers with AlGaN QD-based active regions (high EQE LEDs, VCSELs)
    • Nanometer periodically structured avalanche photodetectors with high linear gain
      (Projects : ANR PRC DUVET 2018-21 et Labex GANEX APOGEE 2020-24)

Publications (77)


⋄ Combination of selective area sublimation of p-GaN and regrowth of AlGaN for the co-integration of enhancement mode and depletion mode high electron mobility transistors

Thi Huong Ngo, Rémi Comyn, Sébastien Chenot, Julien Brault, Benjamin Damilano, Stéphane Vézian, Eric Frayssinet, Flavien Cozette, Nicolas Defrance, François Lecourt, Nathalie Labat, Hassan Maher and Yvon Cordier
Solid State Electronics, 188,  108210, (2022) - Papier régulier

⋄ DUV LEDs based on AlGaN Quantum Dots

Julien Brault, Mohamed Al Khalfioui, Mathieu Leroux, Samuel Matta, Thi-Huong Ngo, Aly Zaiter, Aimeric Courville, Benjamin Damilano, Sébastien Chenot, Jean-Yves Duboz, Jean Massies, P. Valvin, Bernard Gil
Proc. SPIE, 11686,  116860T, (2021) - Article de conférence - invité

⋄ Paper Tuning electrical and thermal conductivities of the two-dimensional electron gas in AlN/GaN heterostructures by piezoelectricity

L. Abou-Hamdan, S. Hamyeh, A. Iskandar, R. Tauk, J. Brault, M. Tabbal, P.M. Adam, M. Kazan
Nanotechnology, 32,  115703, (2020) - Papier régulier

⋄ Selective GaN sublimation and local area regrowth for co-integration of enhancement mode and depletion mode Al(Ga)N/GaN high electron mobility transistors

T.H. Ngo, R. Comyn, S. Chenot, J. Brault, B. Damilano, S. Vézian, E. Frayssinet, F. Cozette, C. Rodriguez, N. Defrance, F. Lecourt, N. Labat, H. Maher and Y. Cordier
Semicond. Sci. Tech., 36,  024001, (2020) - Papier régulier

⋄ UVB LEDs Grown by Molecular Beam Epitaxy Using AlGaN Quantum Dots

J. Brault, M. Al Khalfioui, S. Matta, T.H. Ngo, S. Chenot, M. Leroux, P. Valvin and B. Gil
Crystals, 10,  1097, (2020) - Papier régulier

⋄ Nanoscale structural and electrical properties of graphene grown on AlGaN by catalyst-free chemical vapor deposition

Giannazzo, Filippo; Dagher, Roy; Schilirò, Emanuela; Panasci, Salvatore; Greco, Giuseppe; Nicotra, Giuseppe; Roccaforte, Fabrizio; Agnello, Simonpietro; Brault, Julien; Cordier, Yvon; Michon, Adrien
Nanotechnology, 32,  015705, (2020) - Papier régulier

⋄ High temperature electrical transport properties of MBE-grown Mg-doped GaN and AlGaN materials

L Konczewicz, S Juillaguet, E Litwin-Staszewska, R Piotrzkowski, H Peyre, S Matta, M Al Khalfioui, M Leroux, B Damilano, J Brault, S Contreras
J. Appl. Phys., 128,  085703, (2020) - Papier régulier

⋄ Photoassisted chemical smoothing of AlGaN surface after laser lift-off

Zhongming Zheng, Hao Long, Samuel Matta, Mathieu Leroux, Julien Brault, Leiying Ying, Zhiwei Zheng, and Baoping Zhang
JVST B, 38,  042207, (2020) - Papier régulier

⋄ Interface dipole and band bending in the hybrid p - n heterojunction Mo S 2 / GaN ( 0001 )

H. Henck, Z. Ben Aziza, O. Zill, D. Pierucci, C. H. Naylor, M. G. Silly, N. Gogneau, F. Oehler, S. Collin, J. Brault, F. Sirotti, F. Bertran, P. Le Fevre, S. Berciaud, A. T. Charlie Johnson, E. Lhuilli
Phys. Rev. B, 96,  115312, (2017) - Papier régulier

⋄ Wetting-Layer-Free AlGaN Quantum Dots for Ultraviolet Emitters

G. Schifani, T. Frisch, J. Brault, P. Vennéguès, S. Matta, M. Korytov, B. Damilano, J. Massies, and J.-N. Aqua
ACS Appl. Nano Mater., 3,  4054, (2020) - Papier régulier

⋄ A broadband ultraviolet light source using GaN quantum dots formed on hexagonal truncated pyramid structures

Jong-Hoi Cho, Seung-Hyuk Lim, Min-Ho Jang, Chulwon Lee, Hwan-Seop Yeo, Young Chul Sim, Je-Hyung Kim, Samuel Matta, Blandine Alloing, Mathieu Leroux, Seoung-Hwan Park, Julien Brault and Yong-Hoon Cho
Nanoscale Adv., 2,  1449-1455, (2020) - Papier régulier

⋄ The Effect of Inductively Coupled Plasma Etching on the I–V Curves of the Avalanche Photodiode with GaN/AlN Periodically Stacked Structure

X. Wu, L. Wang, Z. Hao, Y. Han, C. Sun, B. Xiong, J. Wang, H. Li, Y. Luo, J. Brault, M. Al Khalfioui, M. Nemoz, M. Li, J. Kang, Q. Li
Phys. Stat. Sol. A, 216(24),  1900655, (2019) - Papier régulier

⋄ Internal quantum efficiencies of AlGaN quantum dots grown by molecular beam epitaxy and emitting in the UVA to UVC ranges

J. Brault, S. Matta, T.H. Ngo, M. Al Khalfioui, P. Valvin, M. Leroux, B. Damilano, M. Korytov, V. Brändli, P. Vennéguès, J. Massies, B. Gil
J. Appl. Phys., 126,  205701, (2019) - Papier régulier

⋄ Al5+αSi5+δN12, a new Nitride compound

R. Dagher, L. Lymperakis, V. Delaye, L. Largeau, A. Michon, J. Brault & P. Vennéguès
Sci Rep., 9,  15907, (2019) - Papier régulier

⋄ Optical and Thermal Performances of (Ga,In)N/GaN Light Emitting Diodes Transferred on a Flexible Tape

B. Damilano, M. Lesecq, D. Zhou, E. Frayssinet, S. Chenot, J. Brault, N. Defrance, A. Ebongue, Y. Cordier, V. Hoel
IEEE Photonic Tech L, 30,  1567, (2018) - Papier régulier

⋄ Properties of AlN layers grown on c-sapphire substrate using ammonia assisted MBE

S. Matta, J. Brault, M. Korytov, T.Q. Phuong Vuong, C. Chaix, M. Al Khalfioui, P. Vennéguès, J. Massies, B. Gil
J. Cryst. Growth, 499,  40, (2018) - Papier régulier

⋄ Loss analysis in nitride deep ultraviolet planar cavity

Z. Zheng, Y. Li, O. Paul, H. Long, S. Matta, M. Leroux, J. Brault, L. Ying, Z. Zheng, and B. Zhang
J. Nanophotonics, 12,  043504, (2018) - Papier régulier

⋄ UVA and UVB light emitting diodes with Al y Ga1−y N quantum dot active regions covering the 305–335 nm range

J. Brault, M. Al Khalfioui, S. Matta, B. Damilano, M. Leroux, S. Chenot, M. Korytov, J.E. Nkeck, P Vennéguès, J.Y. Duboz, J. Massies and B. Gil
Semicond. Sci. Tech., 33,  075007, (2018) - Papier régulier

⋄ Photoluminescence properties of (Al,Ga)N nanostructures grown on Al0.5Ga0.5N (0001)

S. Matta, J. Brault, T.H. Ngo, B. Damilano, M.Leroux, J. Massies, B. Gil
Superlattices Microstruct., 114,  161, (2018) - Papier régulier

⋄ Optical properties of InxGa1-xN/GaN quantum-disks obtained by selective area sublimation

B. Damilano, S. Vézian, M. Portail, B. Alloing, J. Brault, A. Courville, V. Brändli, M. Leroux, J. Massies
J. Cryst. Growth, 477,  262, (2017) - Papier régulier

⋄ Efficient second harmonic generation in low-loss planar GaN waveguides

M. Gromovyi, J. Brault, A. Courville, S. Rennesson, F. Semond, G. Feuillet, P. Baldi, P. Boucaud, Jean-Yves Duboz, and M. P. De Micheli
Opt. Express, 25,  23035-23044, (2017) - Papier régulier

⋄ Influence of the heterostructure design on the optical properties of GaNand Al0.1Ga0.9N quantum dots for ultraviolet emission

S. Matta, J. Brault, T.H. Ngo, B. Damilano, M. Korytov, P. Vennéguès, M. Nemoz, J. Massies, M. Leroux, B. Gil
J. Appl. Phys., 122,  085706, (2017) - Papier régulier

⋄ High temperature annealing and CVD growth of few-layer graphene on bulk AlN and AlN templates

R. Dagher, S. Matta, R. Parret, M. Paillet, B. Jouault, L. Nguyen, M. Portail, M. Zielinski, T. Chassagne, S. Tanaka, J. Brault, Y. Cordier, and A. Michon
Phys. Stat. Sol. A, 214(4),  1600436, (2017) - Papier régulier

⋄ Dislocation densities reduction in MBE-grown AlN thin films by high-temperature annealing

M. Nemoz, R. Dagher, S. Matta, A. Michon, P. Vennéguès, J. Brault.
J. Cryst. Growth, 461,  10-15, (2017) - Papier régulier

⋄ Ultraviolet light emitting diodes using III-N quantum dots

J. Brault, S. Matta, T.H. Ngo, D. Rosales, M. Leroux, B. Damilano, M. Al Khalfioui, F. Tendille, S. Chenot, P. De Mierry, J. Massies, B. Gil
Mat Sci Semicon Proc, 55,  95, (2016) - Papier invité

⋄ GaN quantum dot polarity determination by X-ray photoelectron diffraction

O. Romanyuk, I. Bartoš, J. Brault, P. De Mierry, T. Paskova, P. Jiříčeka
Appl. Surf. Sci., 389,  1156, (2016) - Papier régulier

⋄ High temperature electrical transport study of Si-doped AlN

S. Contreras, L. Konczewicz, J. Ben Messaoud, H. Peyre, M. Al Khalfioui, S. Matta, M. Leroux, B. Damilano, J. Brault
Superlattices Microstruct., 98,  253, (2016) - Papier régulier

⋄ Built-in electric field and radiative efficiency of polar (0001) and semipolar (11-22) Al0.5Ga0.5N/GaN quantum dots

J. Brault, A. Kahouli, M. Leroux, B. Damilano, D. Elmaghraoui, P. Vennéguès, T. Guillet and C. Brimont
AIP. Proceedings, 1566,  73, (2012) - Article de conférence

⋄ Growth of GaN nanostructures with polar and semipolar orientations for the fabrication of UV LEDs

J. Brault, B. Damilano, A. Courville, M. Leroux, A. Kahouli, M. Korytov, P. Vennéguès, G. Randazzo, S. Chenot, B. Vinter, P. De Mierry, J. Massies, D. Rosales, T. Bretagnon, B. Gil
Proc. SPIE, 8986,  89860Z, (2014) - Article de conférence

⋄ Stark effect in ensembles of polar (0001) Al0.5Ga0.5N/GaN quantum dots and comparison with semipolar (11−22) ones

M. Leroux, J. Brault, A. Kahouli, D. Maghraoui, B. Damilano, P. de Mierry, M. Korytov, Je-Hyung Kim and Yong-Hoon Cho
J. Appl. Phys., 116,  034308, (2014) - Papier régulier

⋄ Optical properties of small GaN/Al0.5Ga0.5N quantum dots grown on (11-22) GaN templates

J. Sellés, D. Rosales, B. Gil, G. Cassabois, T. Guillet, J. Brault, B. Damilano, P. Vennéguès, P. de Mierry, J. Massies
Proc. SPIE, 9363,  93630Z, (2015) - Article de conférence

⋄ Impact of the Bending on the Electroluminescence of Flexible InGaN/GaN Light-Emitting Diodes

G. Tabares, S. Mhedhbi, M. Lesecq, B. Damilano, J Brault, S. Chenot, A. Ebongué, P. Altuntas, N. Defrance, V. Hoel, Y. Cordier
IEEE Photonic Tech L, 28,  1661, (2016) - Papier régulier

⋄ Investigation of AlyGa1−yN/Al0.5Ga0.5N quantum dot properties for the design of ultraviolet emitters

J. Brault, S. Matta, T.H. Ngo, M. Korytov, D. Rosales, B. Damilano, M. Leroux, P. Vennéguès, M. Al Khalfioui, A. Courville, O. Tottereau, J. Massies, B. Gil
Jpn. J. Appl. Phys., 55,  05FG06, (2016) - Papier régulier

⋄ Selective Area Sublimation: A Simple Top-down Route for GaN-Based Nanowire Fabrication

B. Damilano, S. Vézian, J. Brault, B. Alloing, and J. Massies
Nano Lett., 16,  1863, (2016) - Papier régulier

⋄ Optical properties and structural investigations of (11-22)-oriented GaN/Al0.5Ga0.5N quantum wells grown by molecular beam epitaxy

D. Rosales, B. Gil, T. Bretagnon, J. Brault, P. Vennéguès, M. Nemoz, P. de Mierry, B. Damilano, J. Massies, and P. Bigenwald
J. Appl. Phys., 118,  024303, (2015) - Papier régulier

⋄ Growth of nitride-based light emitting diodes with a high-reflectivity distributed Bragg reflector on mesa-patterned silicon substrate

B. Damilano, S. Brochen, J. Brault, T. Hossain, F. Réveret, E. Frayssinet, S. Chenot, A. Courville, Y. Cordier and F. Semond
Phys. Stat. Sol. A, 212,  2297–2301, (2015) - Papier régulier

⋄ Formation of GaN quantum dots by molecular beam epitaxy using NH3 as nitrogen source

B. Damilano, J. Brault and J. Massies
J. Appl. Phys., 118,  024304, (2015) - Papier régulier

⋄ Monolithic white light emitting diodes using a (Ga,In)N-based light converter

B. Damilano, K. Lekhal, H. Kim-Chauveau, S. Hussain, E. Frayssinet, J. Brault, S. Chenot, P. Vennéguès, P. De Mierry, and J. Massies
Proc. SPIE, 1G,  8986, (2014) - Article de conférence - invité

⋄ Polar and semipolar GaN/Al0.5Ga0.5N nanostructures for UV light emitters

J. Brault, D. Rosales, B. Damilano, M. Leroux, A. Courville, M. Korytov, S. Chenot, P. Vennéguès, B. Vinter, P. De Mierry, A. Kahouli, J. Massies, T. Bretagnon and B. Gil
Semicond. Sci. Tech., 29,  084001, (2014) - Papier invité

⋄ Growth of Ga- and N-polar GaN layers on O face ZnO substrates by molecular beam epitaxy

Y. Xia, J. Brault, P. Vennéguès, M. Nemoz, M. Teisseire, M. Leroux, J.M. Chauveau
J. Cryst. Growth, 388,  35, (2014) - Papier régulier

⋄ Built-in electric field in ZnO based semipolar quantum wells grown on (101-2) ZnO substrates

J.M. Chauveau, Y. Xia, I. Ben Taazaet-Belgacem, M. Teisseire, B. Roland, M. Nemoz, J. Brault, B. Damilano, M. Leroux and B. Vinter
Appl. Phys. Lett., 103,  262104, (2013) - Papier régulier

⋄ Excitons in nitride heterostructures: From zero- to one-dimensional behavior

D. Rosales, T. Bretagnon, B. Gil, A. Kahouli, J. Brault, B. Damilano, J. Massies, M.V. Durnev, A.V. Kavokin
Phys. Rev. B, 88,  125437, (2013) - Papier régulier

⋄ Metal Organic Vapor Phase Epitaxy of Monolithic Two-Color Light-Emitting Diodes Using an InGaN-Based Light Converter

B. Damilano, H. Kim-Chauveau, E. Frayssinet, J. Brault, S. Hussain, K. Lekhal, P. Vennéguès, P. De Mierry, and J. Massies
Appl. Phys. Express., 6,  092105, (2013) - Papier régulier

⋄ Measurement of the effect of plasmon gas oscillation on the dielectric properties of p- and n-doped AlxGa1-xN films using infrared spectroscopy

N. Rahbany, M. Kazan, M. Tabbal, R. Tauk, J. Jabbour, J. Brault, B. Damilano, and J. Massies
J. Appl. Phys., 114,  053505, (2013) - Papier régulier

⋄ Dependence of the Mg-related acceptor ionization energy with the acceptor concentration in p-type GaN layers grown by molecular beam epitaxy

S. Brochen, J. Brault, S. Chenot, A. Dussaigne, M. Leroux, et B. Damilano.
Appl. Phys. Lett., 103,  032102, (2013) - Papier régulier

⋄ Plasmon energy from strained GaN quantum wells

M. Benaissa, W. Sigle, M. Korytov, J. Brault, P. Vennéguès, and P.A. Van Aken
Appl. Phys. Lett., 103,  021901, (2013) - Papier régulier

⋄ AlGaN-Based Light Emitting Diodes Using Self-Assembled GaN Quantum Dots for Ultraviolet Emission

J. Brault, B. Damilano, B. Vinter, P. Vennéguès, M. Leroux, A. Kahouli, and J. Massies
Jpn. J. Appl. Phys., 52,  08JG01, (2013) - Papier régulier

⋄ Blue Light-Emitting Diodes Grown on ZnO Substrates

Y. Xia, J. Brault, B. Damilano, S. Chenot, P. Vennéguès, M. Nemoz, M. Teisseire, M. Leroux, R. Obrecht, I.C. Robin, J.L. Santailler, G. Feuillet, J.M. Chauveau
Appl. Phys. Express, 6,  042101, (2013) - Papier régulier

⋄ Ultra-violet GaN/Al0.5Ga0.5N quantum dot based light emitting diodes

J. Brault, B. Damilano, A. Kahouli, S. Chenot, M. Leroux, B. Vinter, J. Massies
J. Cryst. Growth, 363,  282, (2013) - Papier régulier

⋄ Comparison of electrical behavior of GaN-based MOS structures obtained by different PECVD process

E. Al Alam, I. Cortés, T.Begou, A. Goullet, F. Morancho, A. Cazarré, P. Regreny, J. Brault, Y. Cordier, M.P. Besland, K. Isoird
Mat. Sci. For., 711,  228-232, (2012) - Article de conférence

⋄ Effect of surface preparation and interfacial layer on the quality of GaN/SiO2 interfaces

E. Al Alam, I. Cortés, M.P. Besland, A. Goullet, L. Lajaunie, P. Regreny, Y. Cordier, J. Brault, A. Cazarré, K. Isoird, G. Sarrabayrouse, F. Morancho
J. Appl. Phys., 109,  084511, (2011) - Papier régulier

⋄ Mechanism of GaN quantum dot overgrowth by Al0.5Ga0.5N: Strainevolution and phase separation

M. Korytov, J.A. Budagosky, J. Brault, T. Huault, M. Benaissa, T. Neisius, J.L. Rouvière, and P. Vennégués
J. Appl. Phys., 111,  084309, (2012) - Papier régulier

⋄ Color control in monolithic white light emitting diodes using a (Ga,In)N/GaN multiple quantum well light converter

B. Damilano, N. Trad, J. Brault, P. Demolon, F. Natali and J. Massies
Phys. Stat. Sol. A, 209,  465, (2012) - Papier régulier

⋄ Optical properties of a-plane (Al, Ga)N/GaN multiple quantum wells grown on strain engineered Zn1−xMgxO layers by molecular beam epitaxy

Y. Xia, J. Brault, M. Nemoz, M. Teisseire, B. Vinter, M. Leroux, and J.M. Chauveau
Appl. Phys. Lett., 99,  261910 , (2011) - Papier régulier

⋄ GaN/Al0.5Ga0.5N (11-22) semipolar nanostructures: A way to get highluminescence efficiency in the near ultraviolet range

A. Kahouli, N. Kriouche, J. Brault, B. Damilano, P. Vennéguès, P. de Mierry, M. Leroux, A. Courville, O. Tottereau and J. Massies
J. Appl. Phys., 110,  084318, (2011) - Papier régulier

⋄ Study of the growth mechanisms of GaN/(Al,Ga)N Quantum Dots: correlation between structural and optical properties

S. Sergent, T. Huault, J. Brault, M. Korytov, O. Tottereau, P. Vennéguès, M. Leroux, F. Semond, J. Massies
J. Appl. Phys., 109,  053514, (2011) - Papier régulier

⋄ Blue-green and white color tuning of monolithic light emitting diodes

B. Damilano, P. Demolon , J. Brault , T. Huault , F. Natali , J. Massies
J. Appl. Phys., 108,  073115, (2010) - Papier régulier

⋄ Carrier transfer and recombination dynamics of a long-lived and visiblerange emission from multi-stacked GaN/AlGaN quantum dots

J.H. Kim, B.J. Kwon, Y.H. Cho, T. Huault, M. Leroux, J. Brault
Appl. Phys. Lett., 97,  061905, (2010) - Papier régulier

⋄ Comparison of carrier dynamics in GaN quantum dots and GaN quantum wells embedded in low-Al-content AlGaN waveguides

Y.H. Cho, H. S. Kwack, B.J. Kwon, J. Barjon, J. Brault, B. Daudin, Le Si Dang
Appl. Phys. Lett., 89,  251914, (2006) - Papier régulier

⋄ Asymmetric barrier composition GaN/(Ga,In)N/(Al,Ga)N quantum wells for yellow emission

Benjamin Damilano, Thomas Huault, Julien Brault, Denis Lefebvre, and Jean Massies
Phys. Stat. Sol. C, 1-3,  200983426, (2010) - Article de conférence

⋄ AlGaN-based focal plane arrays for selective UV imaging at 310nm and 280nm and route toward deep UV imaging

J.L. Reverchon , J.A. Robot, J.P. Truffer, J.P. Caumes, I. Mourad, J. Brault and J.Y. Duboz
SPIE procedings, 6744,  674417, (2007) - Article de conférence

⋄ Expected progress based on aluminium gallium nitride focal plane arrays for near and deep ultraviolet

J.L. Reverchon, K. Robin, S. Bansropun, Y. Gourdel, J.A. Robo, J.P. Truffer, E. Costard, J. Brault, E. Frayssinet and J.Y. Duboz
EAS Publications Series, 37,  207-215, (2009) - Article de conférence

⋄ First demonstration and performance of AlGaN based focal plane array for deep-UV imaging

J.L. Reverchon, S. Bansropun, J.A. Robo, J.P. Truffer, E. Costard, E. Frayssinet, J. Brault, F. Semond, J.Y. Duboz, M. Idir
SPIE procedings, 7474,  74741G, (2009) - Article de conférence

⋄ Refractive indices and elasto-optic coefficients of GaN studied by optical waveguiding

S. Pezzagna, J. Brault, M. Leroux, J. Massies, M. de Micheli
J. Appl. Phys., 103,  123112, (2008) - Papier régulier

⋄ Phase separation in GaN/AlGaN quantum dots

M. Benaissa, L. Gu, M. Korytov, T. Huault, P.A. van Aken, J. Brault, and P. Vennéguès
Appl. Phys. Lett., 95,  141901, (2009) - Papier régulier

⋄ UV Imaging Based on AlGaN Arrays

J.Y. Duboz, J. Brault, J.P. Truffer, J.A. Robot, K. Robin, J.L. Reverchon
Phys. Stat. Sol. (c), S2,  S611, (2009) - Article de conférence

⋄ Effects of capping on GaN quantum dots deposited on Al0.5Ga0.5N by molecular beam epitaxy

M. Korytov, T. Huault, M. Benaissa, T. Neisius, J. Brault, P. Vennéguès
Appl. Phys. Lett., 94,  143105, (2009) - Papier régulier

⋄ GaN/Al0.5Ga0.5N quantum dots and quantum dashes

T. Huault, J. Brault, F. Natali, B. Damilano, D. Lefebvre, R. Tauk, M. Leroux, and J. Massies
Phys. Stat. Sol. (b), 246,  845-845, (2009) - Papier régulier

⋄ Monolithic white light emitting diodes using a (Ga,In)N/GaN multiple quantum well light converter

B. Damilano, A. Dussaigne, J. Brault, T. Huault, F. Natali, P. Demolon, P. De Mierry, S. Chenot, and J. Massies
Appl. Phys. Lett., 90,  101117, (2008) - Papier régulier

⋄ Blue (Ga,In)N/GaN Light Emitting Diodes on Si(110) Substrate

B. Damilano, F. Natali, J. Brault, T. Huault, D. Lefebvre, R. Tauk, E. Frayssinet, J.C. Moreno, Y. Cordier, F. Semond, S. Chenot, and J. Massies
Applied Physics Express, 1,  121101, (2008) - Papier régulier

⋄ Tailoring the shape of GaN/AlxGa1−xN nanostructures to extend their luminescence in the visible range

J. Brault, T. Huault, F. Natali, B. Damilano, D. Lefebvre, M. Leroux, M. Korytov, and J. Massies
J. Appl. Phys., 105,  033519, (2009) - Papier régulier

⋄ Layer-by-layer epitaxial growth of Mg on GaN(0001)

S. Pezzagna, S. Vézian, J. Brault, and J. Massies
Appl. Phys. Lett., 92,  23111, (2008) - Papier régulier

⋄ Thickness and substrate effects on AlN thin film growth at room temperature

B. Abdallah, C. Duquenne, M.P. Besland, E. Gautron, P.Y. Jouan, P.Y. Tessier, J. Brault, Y. Cordier, and M.A. Djouadi
Eur. Phys. J. Appl. Phys., 43(3),  309-313, (2008) - Papier régulier

⋄ Blue-light emission from GaN/Al0.5Ga0.5N quantum dots

T. Huault, J. Brault, F. Natali, B. Damilano, D. Lefebvre, L. Nguyen, M. Leroux, and J. Massies
Appl. Phys. Lett., 92,  051911, (2008) - Papier régulier

⋄ High doping level in Mg-doped GaN layers grown at low temperature

A. Dussaigne, B. Damilano, J. Brault, J. Massies, E. Feltin, and N. Grandjean
J. Appl. Phys., 103,  013110, (2008) - Papier régulier

⋄ Diodes électroluminescentes blanches pour l'éclairage

B. Damilano, J. Brault, A. Dussaigne, J. Massies
Images de la Physique, ,  86, (2006) - Livres et chapitres de livres

⋄ Monolithic white light emitting diodes with a broad emission spectrum

A. Dussaigne, J. Brault, B. Damilano, J. Massies
Phys. Stat. Sol. (c), 4, Issue 1,  57-60, (2007) - Article de conférence

Current contracts


Old contracts


⋄ NanoGaNUV (2015 - 2019)

Fabrication, Modélisation, Caractérisation de Nanostructures AlGaN Auto-Assemblées pour Emetteurs UV (ANR) - Projet National
Partners: CRHEA, L2C, INLN, INSP, RIBER S.A

⋄ Optique Non-linéaire dans des Guide guides d’onde AlGaN à gradient d’indice (2019 - 2019)

Optique Non-linéaire dans l'AlGaN (Fédération Doeblin) - Projet National
Partners: INPHYNI, CRHEA

Current supervisions


Nikita Nikitskiy (PhD Student)
Aly Zaiter (PhD Student)

Old supervisions


Samuel Matta (PhD Student) (2018)
YuanYang Xia (PhD Student) (2013)
Maxim Korytov (Comment PhD Student) (2017)
Joël Edouard Nkeck (Stagiaire) (2017)
Takfarinas Belayel (Stagiaire) (2016)
François Mondain (Stagiaire) (2015)
Gaétano Randazzo (Stagiaire) (2014)
Alain Abou Khalil (Stagiaire) (2014)
Antoine Ogereau (Stagiaire) (2011)

Background


2002-2004 : LIMMS/CNRS-IIS, Institute of Industrial Science, University of Tokyo, Japan - Post-doctoral Researcher

Nanotechnology in Si microelectronics :

  • Si nano-crystal (self-assembly mechanisms, structural properties)
  • Realization of MOS diodes and transistors : study of transport properties

2000-2002 : Materials Science Division of the French Atomic Energy Commission - DRFMC, GRENOBLE, France - Post-Doctoral Researcher

Wide bandgap Semiconductor Materials (Nitrides and Silicon Carbide) :

  • Hetero-epitaxy of III-Nitrides (growth mechanisms, strain relaxation)
  • Structural & optical characterizations (application to UV-lasers)

1997-2000 : Electronics, Optoelectronics and Microsystems Laboratory – LEOM, Ecole Centrale de LYON, France – PhD-student

Nanotechnology in III-V Materials (Phosphide and Arsenide)

  • Hetero-epitaxy and fabrication of Quantum Dots and Quantum Wires
  • Structural & optical properties for optoelectronic applications

Education


1997-2000 : Electronics, Optoelectronics and Microsystems Laboratory – LEOM, Ecole Centrale de LYON, France

PhD Thesis in Material Physics and Optoelectronics

1992-1997 : University Claude Bernard, LYON, France

Master of Science in Material Science