Univ. Paris-Saclay

Service de Physique de l'Etat Condensé


Jean-Baptiste MOUSSY

Service of Condensed Matter Physics (SPEC) - CNRS/UMR 3680
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  • Researcher-Physicist
  • CEA Expert (Solide State Physics, Material Science)

Main research topics


  • Spintronics, Spin-Orbitronics
  • Oxides (half-metals, multiferroics, high-Tc superconductors, topological insulators)
  • Magnetism (ferro/antiferro-magnetism, exchange coupling)
  • Transport and magneto-transport (GMR/TMR, Spin-Hall effect)


  • Epitaxial growth of thin films and heterostructures (MBE, PLD)
  • Electron diffraction (LEED, RHEED)
  • Photoemission (XPS, UPS)
  • Spectroscopy ( XAS, XMCD/XMLD)
  • Magnetism (VSM/SQUID, Neutron)
  • (Magneto)-transport (dc/ac resistivity)
  • Optical lithography


Scientific publications

Publications dans la base HAL-CEA.

44- P. Vasconcelos Borges Pinho, A. Chartier, J.-B. Moussy, D. Menut and F. Miserque, "Crystal field effects on the photoemission spectra in Cr2O3 thin films: From multiplet splitting features to the local structure", Materialia 12, 100753 (2020).

43- P.-L. Nguyen, B. Sarpi, F. Petronio, C. Mocuta, P. Ohresser, D. Stanescu, J.-B. Moussy, A. Vlad, A. Resta, E. Otero, R. Belkhou, J. Leroy, N. Jedrecy, H. Magnan and A. Barbier, "Mn0.7Fe2.3O4 Nanoplatelets Embedded in BaTiO3 Perovskite Thin Films for Multifunctional Composite Barriers", ACS Appl. Nano Mater. 3, 327 (2020).

42- D. Stanescu, H. Magnan, B. Sarpi, M. Rioult, T. Aghavnian, J.-B. Moussy, C. L. Rountree and A. Barbier, "Electrostriction, Electroresistance and Electromigration in Epitaxial BaTiO3-Based Heterostructures: Role of Interfaces and Electric Poling"ACS Appl. Nano Mater. 2, 3556 (2019).

41- Q. Arnoux, C. Blouzon, D. Li, Y. J. Dappe, A. Smogunov, P. Bonville, L. Tortech and J.-B. Moussy, "Controlling the magnetic exchange coupling in hybrid heterojunctions via spacer layers of π-conjugated molecules",  Phys. Rev. B 99, 144405 (2019).

40- N. Jedrecy, T. Aghavnian, J.-B. Moussy, H. Magnan, D. Stanescu, X. Portier, M.-A. Arrio, C. Mocuta, A. Vlad, R. Belkhou, P. Ohresser and A. Barbier, "Cross-Correlation between Strain, Ferroelectricity and Ferromagnetism in Epitaxial Multiferroic CoFe2O4/BaTiO3 Heterostructures"ACS Appl. Mater. Interfaces 10, 28003 (2018).

39- L. Fruchter, V. Brouet, D. Colson, J.-B. Moussy, A. Forget and Z. Z. Li, "Electrochemichal oxygen intercalation into Sr2IrO4", J. Phys. Chem. Sol. 112, 1 (2018).

38- M. Collet, R. Mattana, J.-B. Moussy, K. Ollefs, S. Collin, C. Deranlot, A. Anane, V. Cros, F. Petroff, F. Wilhelm and A. Rogalev, "Investigating magnetic proximity effects at ferrite/Pt interfaces", Appl. Phys. Lett. 111, 202401 (2017).

37- B. Loret, A. Forget, J.-B. Moussy, S. Poissonnet, P. Bonnaillie, G. Collin, P. Thuéry, A. Sacuto and D. Colson, "Crystal growth and characterization of HgBa2Ca2Cu3O8+ð superconductors with the highest critical temperature at ambient pressure", Inorg. Chem. 56, 9396 (2017).

36- S. Schuermans, T. Maurer, J. Martin, J.-B. Moussy and J. Plain, "Plasmon/interband transitions coupling in the UV from large scale nanostructured Ni films", Optical Materials Express 7, 6 (2017).

35- E. Ferrari, C. Spezzani, F. Fortuna, R. Delaunay, F. Vidal, I. Nikolov, P. Cinquegrana, B.  Diviacco, D. Gauthier, G. Penco, P. R. Ribic, E. Roussel, M. Trovo, J.-B. Moussy et al., " Element selective probe of the ultra-fast magnetic response to an element selective excitation in Fe-Ni compounds using a two-color FEL source", Photonics 4, 6 (2017).

34- V. E. Campbell, M. Tonelli, I. Cimatti, J.-B. Moussy, L. Tortech, Y. J. Dappe, E. Riviere, R. Guillot, S. Delprat, R. Mattana, P. Seneor, P. Ohresser, F. Choueikani, E. Otero, F. Koprowiak, V. G. Chilkuri, N. Suaud, N. Guihery, A. Galtayries, F. Miserque, M.-A. Arrio, Ph. Sainctavit and T. Mallah, "Engineering the magnetic coupling and anisotropy at the molecule-magnetic surface interface in molecular spintronic devices", Nat. Commun. 7:13646 (2016).

33- E. Ferrari, C. Spezzani, F. Fortuna, R. Delaunay, F. Vidal, I. Nikolov, P. Cinquegrana, B.  Diviacco, D. Gauthier, G. Penco, P. R. Ribic, E. Roussel, M. Trovo, J.-B. Moussy, T. Pincelli, L. Lounis, M. Manfreda, E. Pedersoli, F. Capotondi, C.  Svetina, N. Mahne, M. Zangroando, L. Raimondi, A. Demidovich, L. Giannessi, G. De Ninno, M. B. Danailov, E. Allaria and M. Sacchi, "Widely tunable two-colour seeded free-electron laser source for resonant-pump resonant-probe magnetic scattering", Nat. Commun. 7:10343 (2016).

32- T. Aghavnian, J.-B. Moussy, D. Stanescu, R. Belkhou, N. Jedrecy, H. Magnan, P. Ohresser, M.-A. Arrio, Ph. Sainctavit and A. Barbier, "Determination of the cation site distribution of the spinel in multiferroic CoFe2O4/BaTiO3 layers by X-ray photoelectron spectroscopy", J. Electron Spectrosc. Relat. Phenom. 202, 16 (2015).

31- S. Matzen, J.-B. Moussy, P. Wei, C. Gatel, J. C. Cezar, M. A. Arrio, Ph. Sainctavit and J. S. Moodera, "Structure, magnetic ordering, and spin filtering efficiency of NiFe2O4(111) ultrathin films", Appl. Phys. Lett. 104, 182404 (2014).

30- C. Gatel, B. Warot-Fonrose, S. Matzen and J.-B. Moussy, "Magnetism of CoFe2O4 ultrathin films on MgAl2O4 driven by epitaxial strain", Appl. Phys. Lett. 103, 092405 (2013).

29- C. Blouzon, F. Ott, L. Tortech, D. Fichou and J.-B. Moussy, "Anti-ferromagnetic coupling in hybrid magnetic tunnel junctions mediated by monomolecular layers of alpha-sexithiophene", Appl. Phys. Lett. 103, 042417 (2013).

28- S. Matzen, J.-B. Moussy, G. X. Miao and J. S. Moodera, "Direct evidence of spin filtering across MnFe2O4 tunnel barrier by Meservey-Tedrow experiment", Phys. Rev. B. 87, 184422 (2013).

27- J.-B. Moussy, "From epitaxial growth of ferrite thin films to spin-polarized tunneling", J. Phys. D: Appl. Phys. 46, 143001 (2013).

26- C. Mocuta, A. Barbier, S. Stanescu, S. Matzen, J.-B. Moussy and E. Ziegler, "X-ray diffraction imaging of metal-oxide epitaxial tunnel junctions made by optical lithography: use of focused and unfocused X-ray beams", J. Synchrotron Rad. 20, 1 (2013).

25- S. Matzen, J.-B. Moussy, R. Mattana, K. Bouzehouane, C. Deranlot and F. Petroff, "Nanomagnetism of cobalt ferrite-based spin filters probed by spin-polarized tunneling", Appl. Phys. Lett. 101, 042409 (2012).

24- S. Matzen, J.-B. Moussy, R. Mattana, F. Petroff, C. Gatel, B. Warot-Fonrose, J.C. Cezar, A. Barbier, M.-A. Arrio and Ph. Sainctavit, "Restoration of bulk magnetic properties by strain engineering in epitaxial CoFe2O4(001) ultrathin films", Appl. Phys. Lett. 99, 052514 (2011).

23- S. Matzen, J.-B. Moussy, R. Mattana, K. Bouzehouane, C. Deranlot, F. Petroff, J.C. Cezar, M.-A. Arrio, Ph. Sainctavit, C. Gatel, B. Warot-Fonrose and Y. Zeng, "Epitaxial growth and ferrimagnetic behavior of MnFe2O4(111) ultrathin layers for room-temperature spin filtering", Phys. Rev. B 83, 184402 (2011).

22- S. Berny, L. Tortech, D. Fichou, S. Matzen and J.-B. Moussy, "Organic-inorganic magnetic tunnel heterojunctions based on dithiapyrannylidene ultrathin films grown on Fe3O4(111)", Appl. Phys. Lett. 97, 253303 (2010).

21- C. Mocuta, K. Mundboth, J. Stangl, B. Krause, A. Malachias, Th. Scheller, T. Cornelius, R. Paniago, A. Diaz, M. Rodrigues, J. Chevrier, O. Dhez, T. H. Metzger, G. Bauer, A. Barbier, A.V. Ramos, M.-J. Guittet, J.-B. Moussy, S. Stanescu, R. Mattanan, C. Deranlot and F. Petroff, "From ensemble average to single (nano-) objects properties by X-ray microdiffraction: a short review on structure determination (local strain, composition...) and objects manipulation (AFM-coupled)", Revue de Métallurgie 107, 433 (2010).

20- J.-B. Moussy, L. Tortech, F. Regnez, S. Matzen, M.-J. Guittet and D. Fichou, "Growth and Magnetic Behavior in Hybrid Organic-Inorganic Ferrite/Alq3/Co Heterostructures", J. Mater. Chem. 19, 6973 (2009).

19- A. V. Ramos, S. Matzen, J.-B. Moussy, F. Ott, and M. Viret, "Artificial antiphase boundary at the interface of ferrimagnetic spinel bilayers", Phys. Rev. B 79, 14401 (2009).

18- C. Mocuta, A. Barbier, A. V. Ramos, M.-J. Guittet, J.-B. Moussy, S. Stanescu, C. Gatel, R. Mattana, C. Deranlot, and F. Petroff, "Crystalline structure of oxide-based epitaxial tunnel junctions", European Physical Journal- Special Topics 167, 53 (2009).

17- A. V. Ramos, T. S. Santos, G. X. Miao, M.-J. Guittet, J.-B. Moussy, and J. S. Moodera, "Influence of oxidation on the spin-filtering properties of CoFe2O4 and the resultant spin polarization", Phys. Rev. B 78, 180402 (R) (2008).

16- A. V. Ramos, J.-B. Moussy, M.-J. Guittet, M. Gautier-Soyer, C. Gatel, P. Bayle-Guillemaud, B. Warot-Fonrose and E. Snoeck, "Influence of a metallic or oxide top layer in epitaxial magnetic bilayers containing CoFe2O4(111) tunnel barriers", Phys. Rev. B 75, 224421 (2007).

15- A. V. Ramos, M.-J. Guittet, J.-B. Moussy, R. Mattana, C. Deranlot, F. Petroff and C. Gatel, "Room temperature spin filtering in epitaxial cobalt-ferrite tunnel barriers", Appl. Phys. Lett. 91, 122107 (2007).

14- C. Mocuta, A. Barbier, A. V. Ramos, M.-J. Guittet, J.-B. Moussy, S. Stanescu, R. Mattana, C. Deranlot and F. Petroff, "Effect of optical lithography patternig on the crystalline structure of tunnel junctions", Appl. Phys. Lett. 91, 241917 (2007).

13- A. Barbier, O. Bezencenet, C. Mocuta, J.-B. Moussy, H. Magnan, N. Jedrecy, M.-J. Guittet and M. Gautier-Soyer, "Dislocation network driven structural relaxation in hematite thin films", Mat. Sci. Eng. B 144, 19 (2007).

12- A. M. Bataille, R. Mattana, P. Seneor, A. Tagliaferri, S. Gota, K. Bouzehouane, M.-J. Guittet, J.-B. Moussy, C. de Nadaï, N. B. Brookes, F. Petroff and M. Gautier-Soyer, "On the spin polarization at the Fe3O4/γ-Al2O3 interface probed by spin-resolved photoemission and spin dependent tunnelling", J. Magn. Magn. Mater. 316, e963 (2007).

11- A. V. Ramos, J.-B. Moussy, M.-J. Guittet, A. M. Bataille, M. Gautier-Soyer, M. Viret, C. Gatel, P. Bayle-Guillemaud, E. Snoeck, "Magnetotransport properties of Fe3O4 epitaxial thin films: Thickness effects driven by antiphase boundaries", J. Appl. Phys. 100, 103902 (2006).

10- A. M. Bataille, A. Tagliaferri, S. Gota, C. De Nadai, J.-B. Moussy, M.-J. Guittet, K. Bouzehouane, F. Petroff, M. Gautier-Soyer and N. B. Brookes, "Negative polarization of the Fe3O4/Υ-Al2O3 interface measured by spin-resolved photoemission", Phys. Rev. B 73, 172201 (2006).

09- E. Snoeck, Ch. Gatel, J.-B. Moussy, A. M. Bataille, M. Pannetier, M. Gautier-Soyer, "Experimental evidence of the spin dependence of electron reflections in magnetic CoFe2O4/Au/Fe3O4 trilayers", Phys. Rev. B 73, 104434 (2006).

08- E. Snoeck, Ch. Gatel, R. Serra, J.C. Ousset, J.-B. Moussy, A. Bataille, M. Pannetier, M. Gautier-Soyer, "Experimental evidence of the spin dependence of electron reflections in magnetic multilayers", Mat. Sci. Eng. B 126, 120 (2006).

07- F. Delille, B. Dieny, J.-B. Moussy, M.-J. Guittet, S. Gota, M. Gautier-Soyer, C. Marin, «Study of the Electronic Paraprocess and Antiphase Boundaries as Sources of the Demagnetisation Phenomenon in Magnetite», J. Magn. Magn. Mater. 294, 27 (2005).

06- A. Barbier, R. Belkhou, P. Ohresser, M. Gautier-Soyer, O. Bezencenet, M. Mulazzi, M.-J. Guittet, J.-B. Moussy, « Electronic and crystalline structure, morphology and magnetism of nanometric Fe2O3 layers deposited on Pt(111) by atomic oxygen assisted molecular beam epitaxy», Phys. Rev. B 72, 245423 (2005).

05- A. Bataille, J.-B. Moussy, F. Paumier, S. Gota, M.-J. Guittet, M. Gautier-Soyer, P. Warin, P. Bayle-Guillemaud, P. Seneor, K. Bouzehouane, and F. Petroff, "Crystalline γ-Al2O3 barrier for magnetite-based Magnetic Tunnel Junctions", Appl. Phys. Lett. 86, 1 (2005).

04- J.-B. Moussy, S. Gota, A. Bataille, M.-J. Guittet, M. Gautier-Soyer, F. Delille, B. Dieny, F. Ott, T. D. Doan, P. Warin, P. Bayle-Guillemaud, C. Gatel and E. Snoeck, "Thickness dependence of anomalous magnetic behavior in epitaxial Fe3O4 (111) thin films: effects of density of antiphase boundaries", Phys. Rev. B 70, 174448 (2004).

03- S. Gota, J.-B. Moussy, M. Henriot, M.-J. Guittet and M. Gautier-Soyer, "Atomic-oxygen-assisted MBE growth of Fe3O4(111) on α-Al2O3(0001)", Surf. Sci. 482, 809 (2001).

02- J.-B. Moussy, J.-Y. Laval, X.Z. Xu et al., "Percolation behaviour in intergrowth BiSrCaCuO structures grown by molecular beam epitaxy", Physica C 329, 231-242 (2000).

01- T. Cren, D. Roditchev, W. Sacks, J. Klein, J.-B. Moussy, C. Deville-Cavellin and M. Lagues, "Influence of disorder on the local density of states in High-Tc superconducting thin films", Phys. Rev. Lett. 84, 147 (2000).


  •  A. V. Ramos, J.-B. Moussy, M.-J. Guittet, M. Gautier, « Procédé de réalisation de films ultra-minces de ferrite de cobalt par épitaxie par jets moléculaires »,  (2007).


  • ANR  "SANTA" 2019-2022 (partner): "Spintronics with Antiferromagnets for Novel THz Applications".
  • ANR  "PIAF" 2017-2020 (partner): "Patterning and Imaging AntiFerromagnets".
  • ANR  "IOBTO"  2016-2020 (partner): "In Operando investigation of Barium Titanate based oxide multiferroic nanostructures".
  • ANR "SOCRATE'  2016-2020 (partner):  "Spin Orbit Coupling in iRidATEs".
  • OXYMORE  project "CALPHOSPIN" (2013-2016) :"Croissance par ablation laser pulsée d'hétérostructures organique/oxyde pour l'électronique de spin". 
  • ANR JCJC  "MAGIC CARPET" 2013-2015 (partner): "Magnetoresistance tunnel devices controlled by NaCl ultrathin layers properties".
  • ANR BLANC  "MULTI DOLLS" 2013-2016 (partner): "Multiferroic domain walls".
  • PUF Grant Partnership MIT/CEA 2010-2013 (coordinator): "Spin-Polarized Tunneling across Ferrite-based Spin Filters".
  • C'Nano IdF "FILASPIN" project 2006-2009 (coordinator): "New Material for Spintronics: from the Epitaxial Growth of Cobalt Ferrite to its use as a Spin Filter".
  • MIT-France Seed Fund Grantees 2006-2007 (coordinator): "Spin filtering studies for spintronic applications".


  • Since 2016 : Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI), Tutoring in Solid State Physics.
  • Since 2003 : Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI) , Teaching Assistant and Tutoring in Quantum Mechanics.
  • Since 2000 : Supervisor of numerous students: master's level, Ph.D. thesis...
  • 1997-1999 : Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI), Teaching Assistant in Solid State Physics (Superconductivity).


  •  J.-B. Moussy, "De la Croissance Epitaxiale de Films Minces de Ferrite à leur Intégration dans des Dispositifs de la Spintronique", Habilitation à Diriger des Recherches (2011), (UPMC-Paris 6).
  • J.-B. Moussy, "Les Capteurs Magnétorésistifs", Ecole d'été de Physique E2Phi, CEA-Saclay (2010). 
  • J.-B. Moussy, "Les Oxydes en Spintronique", Clefs du CEA, N°56 (2007-2008).

Thesis advisor/director of:


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