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Patrick Fournier

Professeur, Faculté des sciences
FAC. SCIENCES Physique

Présentation

Sujet de recherche

Nanosystèmes, Solides, Supraconducteurs, Surfaces, interfaces et couches minces, Transitions de phases

Disciplines de recherche

Physique

Mots-clés

couches minces, Effet magnétocalorique, Effet magnétocalorique et réfrigération magnétique, Fortes corrélations électroniques, Hétérostructures, Interfaces, magnétisme, multiferroïques, Superstructures, Supraconductivité

Intérêts de recherche

Intérêts dans la croissance d'oxydes sous formes polycristallines, monocristallines ou de couches minces ou hétérostructures (supraconducteurs à haute température critique, manganites et multiferroïques), la mesure de leurs propriétés magnétiques et de transport, et la fabrication de multi-couches, de jonctions et de composants électroniques simples.

Langues parlées et écrites

Anglais, Français

Diplômes

(2000). (Postdoctorat, Postdoctorat). University of Maryland.

(1995). (Postdoctorat, Postdoctorat). Stanford University.

(1993). (Doctorat, Ph. D.). Université de Sherbrooke.

(1990). (Maîtrise avec mémoire, Maîtrise - Maîtrise). Université de Sherbrooke.

(1988). (Baccalauréat, Baccalauréat). Université du Québec à Rimouski.

Prix et distinctions

  • Prix de la recherche et de la création 2015 en sciences naturelles et génie. Université de Sherbrooke. (Prix / Récompense).

Financement

  • Subvention. (Obtenu). Co-chercheur. Conception et synthèse de nouveaux matériaux magnétocaloriques. (2017-2020)
  • Subvention. (Obtenu). Chercheur principal. Physical properties of oxide thin films and heterostructures.

Publications

Articles de revue

  • Balli M, Jandl S, Fournier P, Lebouc AK. (2017). Advanced materials for magnetic cooling:fundamentals and practical aspects. Applied Physics Reviews 4 021305. (Article publié).
  • Balli M, Mansouri S, Jandl S, Fournier P, Dimitrov DZ. (2017). Analysis of the anisotropicmagnetocaloric effect in RMn2O5 single crystals. Magnetochemistry (Article soumis).
  • Balli M, Fournier P, Jandl S, Mansouri S, Mukhin A, Ivanov YV, Balbashov AM. (2017). Comments on the giant anisotropy of magnetocaloriceffect in TbMnO3 single crystals. Phys. Rev. B 96 146401. (Article accepté).
  • Sahota DG*, Liang R, Fournier P, Dabkowska H, Luke G, Dodge JS. (2017). Photoinduced gap renormalizationand many-body recombination in insulating cuprates. Phys. Rev. Lett. (Article soumis).
  • Balli M, Roberge B*, Fournier P, Jandl S. (2017). Review of the MagnetocaloricEffect in RMnO3 and RMn2O5 Multiferroic Crystals. Crystals 7 44. (Article publié).
  • Mansouri S, Jandl S, Balli M, Fournier P, Mukhin AA, Ivanov VY, Balbashov A, Orlita M. (2017). Study of crystal-field excitations and infraredactive phonons in TbMnO3. Phys. Rev. B (Article soumis).
  • Matte D*, de Lafontaine M*, Ouellet A*, Balli M, Fournier P. (2017). Tailoring the magnetocaloriceffect in La2NiMnO6 thin films. Phys. Rev. B (Article soumis).
  • Balli M, Jandl S, Fournier P, Dimitrov DZ. (2016). Giant rotating magnetocaloriceffect at low magnetic fields in multiferroic TbMn2O5 single crystals. Appl. Phys. Lett. 108 102401. (Article publié).
  • Balli M, Jandl S, Fournier P, Dimitrov DZ. (2016). Giant rotating magnetocaloric effect at low magneticfields in multiferroic TbMn2O5 single crystals. Appl. Phys. Lett. 108 102401. (Article publié).
  • Charpentier S, Arpaia R, Baghdadi R, Bauch T, Lombardi F, Gaudet J*, Matte D*, Fournier P, Löfwander T, Golubev D. (2016). Hot spot formation in electrondoped PCCO nanobridges. Phys. Rev. B 94 060503. (Article publié).
  • Balli M, Mansouri S*, Jandl S, Fournier P, Dimitrov DZ. (2016). Large rotating magnetocaloric effect in the orthorhombic DyMnO3 single crystal. Solid State Communications 239 9. (Article publié).
  • Mansouri S*, Jandl S, Balli M, Laverdière J, Fournier P, Dimitrov, D. Z. (2016). Raman and crystal fieldstudies of Tb-O bonds in TbMn2O5. Phys. Rev. B 94 115109. (Article publié).
  • Roberge B*, Balli M, Jandl S, Fournier P, Palstra TTM, Nugroho AA. (2016). Raman and infrared study of 4f electron–phonon coupling in HoVO3. Journal of Physics: Condensed Matter 28 435401. (Article publié).
  • Balli M, Roberge B*, Vermette J*, Jandl S, Fournier P, Gospodinov M M. (2015). Magnetocaloric properties of the hexagonal HoMnO3 single crystal revisited. Physica B: Condensed Matter 478 77 - 83. (Article publié).
  • Balli M, Roberge B*, Jandl S, Fournier P, Palstra T T M, Nugroho A A. (2015). Observation of large refrigerant capacity in the HoVO3 vanadate single crystal. Journal of Applied Physics 118 073903. (Article publié).
  • Balli M, Jandl S, Fournier P, Mansouri S*, Mukhin A, Ivanov Y V, Balbashov A M. (2015). On the magnetocaloric effect in the multiferroic hexagonal DyMnO3 single crystals. Journal of Magnetism and Magnetic Materials 374 252 - 257. (Article publié).
  • Fournier P. (2015). T' and infinite-layer electron-doped cuprates. Physica C : Superconductivity 514 314-338. (Article publié).
  • Balli M, Fournier P, Jandl S, Truong K D, Gospodinov M M. (2014). Analysis of the phase transition and magneto-thermal properties in La2CoMnO6 single crystals. Journal of Applied Physics 116 (7), 073907. (Article publié).
  • Balli M, Jandl S, Fournier P, Gospodinov M.M. (2014). Anisotropy-enhanced giant reversible rotating magnetocaloric effect in HoMn2O5 single crystals. Applied Physics Letters 104 (23), 232402. (Article publié).
  • Balli M, Fournier P, Jandl S, Gospodinov M M. (2014). A study of the phase transition and magnetocaloric effect in multiferroic La2MnNiO6 single crystals. Journal of Applied Physics 115 (17), 173904. (Article publié).
  • Tafti F F, Laliberté F*, Dion M*, Gaudet J*, Fournier P, Taillefer L. (2014). Nernst effect in the electron-doped cuprate superconductor Pr2-xCexCuO4: Superconducting fluctuations, upper critical field Hc2, and the origin of the Tc dome. Physical Review B 90 024519. (Article publié).
  • Mansouri S*, Jandl S, Laverdière J*, Fournier P, Mukhin A A, Ivanov V Y, Balbashov A M. (2013). Magnetic and micro-Raman studies of hexagonal-DyMnO3. Journal of Physics: Condensed Matter 25 (6), 066003. (Article publié).
  • Wadati H, Achkar A J, Hawthorn D G, Regier T Z, Singh M P, Truong K D, Fournier P, Chen G, Mizokawa T, Sawatzky G A. (2012). Utility of the inverse partial fluorescence for electronic structure studies of battery materials. Applied Physics Letters 100 (19), 193906. (Article publié).
  • Laverdière J*, Jandl S, Fournier P. (2011). Colossal magnetoresistance of Nd2/3Sr1/3MnO3 ultrathin films grown on charge-ordered Nd1/2Ca1/2MnO3 manganite. Physical Review B 84 104434. (Article publié).
  • Truong K D, Singh M P, Jandl S, Fournier P. (2011). Investigation of phonon behavior in Pr2NiMnO6 by micro-Raman spectroscopy. Journal of Physics: Condensed Matter 23 (5), 052202. (Article publié).
  • Singh M.P, Truong K.D, Jandl S, Fournier P. (2011). Magnetic properties and phonon behavior of Pr2NiMnO6 thin films. Applied Physics Letters 98 162506. (Article publié).
  • Charpentier S*, Roberge G*, Godin-Proulx S*, Fournier P. (2011). Proximity Effect in Electron doped cuprates Josephson Junctions. Applied Physics Letters 99 032511 -3. (Article publié).
  • Fournier P, Charpentier S*, Roberge G*, Godin-Proulx S*. (2011). Ramp-Edge Josephson Junction based on Electron-Doped Cuprates. Physics in Canada 67 (2), 119. (Article publié).
  • Roberge G*, Charpentier S*, Godin-Proulx S*, Fournier P. (2011). Ramp-edge Josephson junctions made of Pr2-xCexCuO4+-delta electrodes and barriers. Journal of Applied Physics 109 (7), 073912. (Article publié).
  • Charpentier S*, Roberge G*, Godin-Proulx S*, Béchamp-Laganière X*, Truong K D, Fournier P, Rauwel P. (2010). Antiferromagnetic fluctuations and the Hall effect of electron-doped cuprates: Possibility of a quantum phase transition at underdoping. Physical Review B 81 (10), 104509. (Article publié).
  • Agarwal V, Singh M P, Siwach P K, Fournier P, Singh H K. (2010). Charge order quenching, Griffiths phase, and magnetotransport in polycrystalline Pr0.58Ca0.42-ySryMnO3 thin films. Phys. Status Solidi A 207 (8), 1922-1929. (Article publié).
  • Prasad R, Singh M P, Siwach P, Kaur A, Fournier P, Singh H. (2010). Effect of thickness on magnetic phase coexistence and electrical transport in Nd0.51Sr0.49MnO3 films. Applied Physics A: Materials Science \& Processing 99 (4), 823-829. (Article publié).
  • Agarwal V, Prasad R, Singh M P, Siwach P K, Srivastava A, Fournier P, Singh H K. (2010). Evidence of substrate induced charge order quenching, insulator metaltransition, and colossal magnetoresistance in polycrystalline Pr0.58Ca0.42MnO3 thin films. Applied Physics Letters 96 (5), 052512. (Article publié).
  • Singh M P, Truong K D, Jandl S, Fournier P. (2010). Multiferroic double perovskites: Opportunities, issues, and challenges. Journal of Applied Physics 107 (9), 09D917. (Article publié).
  • Jenkins G S, Schmadel D C, Bach P L, Greene R L, Béchamp-Laganière X*, Roberge G*, Fournier P, Kontani H, Drew H D. (2010). Origin of the anomalous Hall effect in the overdoped n-type superconductor Pr2-xCexCuO4 : Current-vertex corrections due to antiferromagnetic fluctuations. Physical Review B 81 (2), 024508. (Article publié).
  • Singh M P, Truong K D, Jandl S, Fournier P. (2010). Phase formation, phonon behavior, and magnetic properties of novel ferromagnetic La2BAlMnO9 (B = Co or Ni) triple perovskites. Journal of Applied Physics 107 (9), 09D916. (Article publié).
  • Savard S*, Allard J F*, Bernier M, Petersen J C, Dodge J S, Fournier P, Morris D. (2010). Photoexcited carrier relaxation dynamics and terahertz response of photoconductive antennas made on proton bombarded GaAs materials. Journal of Applied Physics 108 (12), 124507. (Article publié).
  • Armitage NP, Fournier P, Greene RL. (2010). Progress and Perspectives on Electron Doped Cuprates. Review of Modern Physics 82 2421-2487. (Article publié).
  • Mansouri S*, Charpentier S*, Jandl S, Fournier P, Mukhin A A, Ivanov V Y, Balbashov A. (2009). A micro-Raman study of a Pr0.5Ca0.5MnO3 single crystal and thin films. Journal of Physics: Condensed Matter 21 (38), 386004 (6pp). (Article publié).
  • Singh M P, Truong K D, Fournier P, Rauwel P, Rauwel E, Carignan L P*, Ménard D. (2009). A radical approach to promote multiferroic coupling in double perovskites. Journal of Magnetism and Magnetic Materials 321 (11), 1743 - 1747. (Article publié).
  • Nechache R, Harnagea C, Carignan L P*, Gautreau O*, Pintilie L, Singh M P, Ménard D, Fournier P, Alexe M, Pignolet A. (2009). Epitaxial thin films of the multiferroic double perovskite Bi2FeCrO6 grown on (100)-oriented SrTiO3 substrates: Growth, characterization, and optimization. Journal of Applied Physics 105 (6), 061621. (Article publié).
  • Iliev M N, Gospodinov M M, Singh M P, Meen J, Truong K D, Fournier P, Jandl S. (2009). Growth, magnetic properties and Raman scattering of La2NiMnO6 single crystals. Journal of Applied Physics 106 (2), 023515. (Article publié).
  • Singh H K, Kumar P, Prasad R, Singh M P, Agarwal V, Siwach P K, Fournier P. (2009). Impact of magnetic phase coexistence on magnetotransport in polycrystalline Nd0.51Sr0.49MnO3 thin film. Journal of Physics D: Applied Physics 42 (10), 105009 (6pp). (Article publié).
  • Roberge G, Charpentier S, Godin-Proulx S, Truong KD, Fournier P, Rauwel P. (2009). Improving electron-doped Pr2-xCexCuO4+d thin films grown by pulsed-laser deposition using excess CuO. Journal of Crystal Growth 311 1340-1345. (Article publié).
  • Truong K D, Singh M P, Jandl S, Fournier P. (2009). Influence of Ni/Mn cation order on the spin-phonon coupling in multifunctional La2NiMnO6 epitaxial films by polarized Raman spectroscopy. Physical Review B 80 (13), 134424. (Article publié).
  • Singh M P, Truong K D, Jandl S, Fournier P. (2009). Long-range Ni/Mn structural order in epitaxial double perovskite La2NiMnO6 thin films. Physical Review B 79 (22), 224421. (Article publié).
  • Gautreau O, Harnagea C, Gunawan L, Nechache R, Singh M P, Fournier P, Botton G A, Pignolet A. (2009). Piezoresponse force microscopy and magnetic force microscopy characterization of γ-Fe2O3-BiFeO3 nanocomposite/Bi3.25La0.75Ti3O12 multiferroic bilayers. Journal of Magnetism and Magnetic Materials 321 (11), 1799 - 1802. (Article publié).
  • Singh M P, Truong K D, Jandl S, Fournier P. (2009). Stabilization and functional properties of La3NiAlMnO9 and La3CoAlMnO9 magnetoelectric triple perovskites. Applied Physics Letters 94 (17), 171908. (Article publié).
  • Jenkins G S, Schmadel D C, Bach P L, Greene R L, Béchamp-Laganière X*, Roberge G*, Fournier P, Drew H D. (2009). Terahertz magnetotransport measurements in underdoped Pr2−xCexCuO4 and comparison with angle-resolved photoemission. Physical Review B 79 224525. (Article publié).
  • Saadaoui H, MacFarlane W A, Salman Z, Morris G D, Chow K H, Fan I, Fournier P, Hossain M D, Keeler T A, Kreitzman S R, Levy C D P, Mansour A I, Miller R I, Parolin T J, Pearson M R, Song Q, Wang D, Kiefl R F. (2009). β-NMR investigation of the vortex lattice near the interface of silver and Pr1.85Ce0.15CuO4-δ thin films. Physica B: Condensed Matter 404 (5-7), 727 - 729. (Article publié).

Autres contributions

Présentations

  • (2012). Superconductivity at p-n cuprate interfaces. International Conference on Superconductivity and Magnetism. Istanbul, Turquie
  • (2010). Multiferroic double perovskites. Entretiens Jacques Cartier. Grenoble, France
  • (2009). Recent progress in the fabrication of electron-doped Josephson junctions. Conference on Nanoscience and Engineering in Superconductivity, Hybrid and Josephson Structures. Anacapri, Italie