Riad Nechache

Visiting Postdoctoral Fellow

Telephone: +1 (514) 228-6946
Fax: +1 (450) 929-8102
nechache@emt.inrs.ca

My research interests include nanoscale materials, devices and their applications in future spintronics and energy science. My work focuses on rational design and synthesis of highly complex inorganic nanostructures with precisely controlled chemical composition, physical morphology and dimension; investigation of the novel electronic, optical and magnetic properties and exploration of new technological opportunities arising in these new nanoscale structures. An emphasis is placed on the hetero-integration of multi-composition, multi-structure and multi-function at nanoscale, in particular multiferroic materials, to create a new generation of integrated nanosystems with unique functions to break the boundaries of traditional technologies.

Research areas

  • Nanoengineering of functional oxides
  • Multiferroic thin films and heterostructures for solar energy conversion
  • Photoconductivity and Photovoltaic Effect in novel Ferroelectric/ferromagnetic perovskite thin films.
  • Inorganic/Organic hybrid structure for spintronic application(spin valve)
  • Hybrid Organic/inorganic structure for spintronic application
  • Si nanowires & pn junction by MBE
  • Multiferroic ultrathin films for spintronics
  • Embedded semiconducting nanostructures for optoelectronics and photovoltaic application
  • New Oxide Materials for Fuel Cell application.

NFL publications


S. Chandra, R. Das, V. Kalappattil, T. Eggers, C. Harnagea, R. Nechache, M. Phan, F. Rosei, and H. Srikanth. Epitaxial magnetite nanorods with enhanced room temperature magnetic anisotropy. Nanoscale, 9, 7858 (2017). (PDF).
W. Huang, C. Harnagea, D. Benetti, M. Chaker, F. Rosei, and R. Nechache. Multiferroic Bi2FeCrO6 based p–i–n heterojunction photovoltaic devices. J. Mater. Chem. A, , 10355–10364 (2017). (PDF).
D. Benetti, R. Nouar, R. Nechache, H. Pepin, A. Sarkissian, F. Rosei, and J. MacLeod. Combined magnetron sputtering and pulsed laser deposition of TiO2 and BFCO thin films. Scientific Reports, 7, 2503 (2017). (PDF).
S. Li, J. Z., B. Zhang, W. Huang, C. Harnagea, R. Nechache, L. Zhu, S. Z., Y. Lin, L. Ni, Y. Sang, H. Liu, and F. Rosei. Manipulation of charge transfer in vertically aligned epitaxial ferroelectric KNbO3 nanowire array photoelectrodes. Nano Energy, 35, 92–100 (2017). (PDF).
P. Lopez-Varo, L. Bertoluzzi, J. Bisquert, Marin Alexe, J. H. M. Coll e, J. J. - T., T. Kirchartz, R. Nechache, F. Rosei, and Y. Yuan. Physical aspects of ferroelectric semiconductors for photovoltaic solar energy conversion. Physics Reports, 653, 1–40 (2016). (PDF).
J. Chakrabartty, R. Nechache, C. Harnagea, Shun Li, and F. Rosei. Enhanced photovoltaic properties in bilayer BiFeO3/Bi-Mn-O thin films. Nanotechnology, 27, 215402 (2016). (PDF).
W. Huang, R. Nechache, S. Li, M. Chaker, and Federico Rosei. Electrical and Optical Properties of Transparent Conducting p-Type SrTiO3 Thin Films. J. Am. Ceram. Soc., 99, 226+-233 (2016). (PDF).
R. Nechache, W. Huang, S. Lia, and F. Rosei. Photovoltaic properties of Bi2FeCrO6 films epitaxially grown on (100)-oriented silicon substrates. Nanoscale, 8, 3237–3243 (2016). (PDF).
S. Li, B. AlOtaibi, W. Huang, Z. Mi, N. Serpone, R. Nechache, and F. Rosei. Epitaxial Bi2FeCrO6 Multiferroic Thin Film as a New Visible Light Absorbing Photocathode Material. Small, 11, 4018–4026 (2015). (PDF).
R. Nechache, C. Harnagea, S. Li, L. Cardenas, W. Huang, J. Chakrabartty, and F. Rosei. Bandgap tuning of multiferroic oxide solar cells. Nature Photonics, 9, 61–67 (2015). (PDF).
R. Nechache, M. Nicklaus, Andreas N. R. Diffalah, and F. Rosei. Pulsed laser deposition growth of rutile TiO2 nanowires on Silicon substrates. Applied Surface Science, 313, 48–52 (2014). (PDF).
J. Chakrabartty, R. Nechache, S. Li, M. Nicklaus, A. Ruediger, and F. Rosei. Photovoltaic Properties of Multiferroic BiFeO3/BiCrO3 Heterostructures. Journal of the American Ceramic Society, 97, 1837–1840 (2014). (PDF).
J. P. Chakrabartty, R. Nechache, C. Harnagea, and F. Rosei. Photovoltaic effect in multiphase Bi-Mn-O thin films. Optics Express, 22, A80–A89 (2014). (PDF).
C. Harnagea, M. Azodi, R. Nechache, C. - V. Cojocaru, V. Buscaglia, M. T. Buscaglia, P. Nanni, F. Rosei, and A. Pignolet. Characterization of individual multifunctional nanoobjects with restricted geometry. Phase Transitions, 86, 635–650 (2013). (PDF).
S. Li, R. Nechache, I. A. V. Davalos, G. Goupil, L. Nikolova, M. Nicklaus, J. Laverdière, A. Ruediger, and F. Rosei. Ultrafast Microwave Hydrothermal Synthesis of BiFeO3 Nanoplates. Journal of the American Ceramic Society, 96, 3155–3162 (2013). (PDF).
K. T. Dembele, G. S. Selopal, C. Soldano, R. Nechache, J. C. Rimada, I. Concina, G. Sberveglieri, F. Rosei, and A. Vomiero. Hybrid Carbon Nanotubes−TiO2 Photoanodes for High Efficiency Dye-Sensitized Solar Cells. Journal of Physical Chemistry C, 117, 14510–14517 (2013). (PDF).
S. Li, J. Zhang, M. G. Kibria, Z. Mi, M. Chaker, D. Ma, R. Nechache, and F. Rosei. Remarkably enhanced photocatalytic activity of laser ablated Au nanoparticle decorated BiFeO3 nanowires under visible-light. Chemical Communications, 49, 5856 (2013). (PDF).
K. T. Dembele, R. Nechache, L. Nikolova, A. Vomiero, C. Santato, S. Licoccia, and F. Rosei. Effect of multi-walled carbon nanotubes on the stability of dye sensitized solar cells. Journal Of Power Sources, 233, 93–97 (2013). (PDF).
B. Aissa, R. Nechache, E. Haddad, W. Jamroz, P. G. Merle, and F. Rosei. Ruthenium Grubbs' catalyst nanostructures grown by UV-excimer-laser ablation for self-healing applications. Applied Surface Science, 258, 9800–9804 (2012).
B. Aissa, N. Tabet, M. Nedil, D. Therriault, F. Rosei, and R. Nechache. Electromagnetic energy absorption potential and microwave heating capacity of SiC thin films in the 1-16 GHz frequency range. Applied Surface Science, 258, 5482–5485 (2012). (PDF).
S. Li, R. Nechache, C. Harnagea, L. Nikolova, and F. Rosei. Single-crystalline BiFeO3 nanowires and their ferroelectric behavior. Applied Physics Letters, 101, 192903 (2012). (PDF).
R. Nechache, C. Harnagea, and F. Rosei. Multiferroic nanoscale Bi2FeCrO6 material for spintronic-related applications. Nanoscale, 4, 5588–5592 (2012). (PDF).
R. Nechache, C. Nauenheim, U. Lanke, A. Pignolet, F. Rosei, and A. Ruediger. Coexistence of antiferromagnetic and ferromagnetic orders at remanent state in epitaxial multiferroic Bi2FeCrO6 nanostructures. Journal of physics. Condensed matter : an Institute of Physics journal, 24, 142202 (2012). (PDF).
R. Nechache, and F. Rosei. Recent progress in nanostructured multiferroic Bi2FeCrO6 thin films. Journal of Solid State Chemistry, 189, 13–20 (2012). (PDF).
D. Obi, R. Nechache, C. Harnagea, and F. Rosei. Mechanical and electrical properties of epitaxial Si nanowires grown by pulsed laser deposition. Journal of physics. Condensed matter : an Institute of Physics journal, 24, 445008 (2012).
B. Aissa, R. Nechache, D. Therriault, F. Rosei, and M. Nedil. High-frequency electromagnetic properties of epitaxial Bi2FeCrO6 thin films grown by pulsed laser deposition. Applied Physics Letters, 99, 183505 (2011). (PDF).
G. Chen, S. Desinan, R. Nechache, R. Rosei, F. Rosei, and D. Ma. Bifunctional catalytic/magnetic Ni@Ru core-shell nanoparticles. Chemical Communications, 47, 6308–6310 (2011). (PDF).
R. Nechache, C. V. Cojocaru, C. Harnagea, C. Nauenheim, M. Nicklaus, A. Ruediger, F. Rosei, and A. Pignolet. Epitaxial Patterning of Bi2FeCrO6 Double Perovskite Nanostructures: Multiferroic at Room Temperature. Advanced Materials, 23, 1724–1729 (2011). (PDF).
R. Nechache, C. Harnagea, S. Licoccia, E. Traversa, A. Ruediger, A. Pignolet, and F. Rosei. Photovoltaic properties of Bi2FeCrO6 epitaxial thin films. Applied Physics Letters, 98, 202902 (2011). (PDF).
C. - V. Cojocaru, R. Nechache, C. Harnagea, A. Pignolet, and F. Rosei. Nanoscale patterning of functional perovskite-type complex oxides by pulsed laser deposition through a nanostencil. Applied Surface Science, 256, 4777–4783 (2010). (PDF).
R. Nechache, C. Harnagea, A. Ruediger, F. Rosei, and A. Pignolet. EFFECT OF EPITAXIAL STRAIN ON THE STRUCTURAL AND FERROELECTRIC PROPERTIES OF Bi-2 FeCrO6 THIN FILMS. Functional Materials Letters, 3, 83–88 (2010). (PDF).
C. Harnagea, C. V. Cojocaru, R. Nechache, O. Gautreau, F. Rosei, and A. Pignolet. Towards ferroelectric and multiferroic nanostructures and their characterisation. International Journal of Nanotechnology, 5, 930–962 (2008). (PDF).