Service de Physique de l'Etat Condensé


Dorothée Colson

Dorothee COLSON

Service de Physique de l'Etat Condensé
91191 Gif sur Yvette Cedex, France

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2007 : Habilitation to lead research, Paris XI - Orsay University

1992 : PhD thesis in Physical Science, in the Laboratoire de Chimie des Solides, Paris XI-Orsay University, supervisor Pr. A. Revcolevschi.

1988 : DEA in Materials Science, Paris VI and Paris XI-Orsay University

1987 : Master degree (maîtrise + licence) in Physical Science, Paris XI -Orsay University

Present Position

Researcher in C.E.A. since 1992

Senior expert

Researcher in the Laboratoire Nanomagnétisme et Oxydes of SPEC

Research Activities

Main scientific domain : Synthesis and physical properties of strongly correlated electron oxides. Superconducting cuprates, pnictides - multiferroïc oxides - Strong Spin-Orbit Coupling materials

Experimental : Solid state chemistry, crystal growth and characterization, powder X-rays diffraction, DTA-TG analysis, Squid magnetometry

Students and Post-docs

2003-2006: Former in solid state chemistry in experimental option of superconductivity, 3rd year (master's level).   Ecole Polytechnique - Palaiseau.

1989-1991: Teaching assistant in inorganic chemistry at the Paris XI-Orsay University.

1992-present: Supervisor of numerous students: master's level, PhD and posts-docs.


2015-2019: ANR project SOCRATE, Nouveaux états électroniques corrélés émergeant d’un couplage spin-orbite fort : le cas des iridates. Project coordinated by LPS-Orsay (V. Brouet).

2010-2014: ANR project PNICTIDES, Supraconductivité, magnétisme et propriétés électroniques des nouveaux pnictides à base de fer. Project coordinated by CEA Saclay-SPEC (F. Rullier-Albenque).

2013-2016: ANR project hνSTRICTSP, Spintronique contrôlé par photostriction. Project coordinated by IPCMS-Strasbourg (B. Kundys).

2008-2011: ANR project MELOÏC (ANR-08-Nano-040), Modulateurs électro-optiques à bases d’hétérostructures ferroélectriques et multiferroïques. Project coordinated by UMR Thalès-Palaiseau (M. Bibes).

2010: MagCorPnic, Magnétisme et corrélations électroniques dans les pnictures supraconducteurs,  funded by RTRA-Triangle de la Physique. Project managed by SPEC-Saclay (D. Colson).

2005-2009: ANR project OXYFONDA (ANR-05-NT05-4_41913), Etats fondamentaux originaux dans les oxydes: de nouveaux matériaux pour une nouvelle physique. Project coordinated by LPS-Orsay (P. Mendels).

2005-2008: ANR project FEMMES (ANR-05-45147), FerroElectroMagnétiques pour l’électronique de spin. Project coordinated by UMR Thalès-Palaiseau (A. Barthélémy).


Selected Publications (2007-2016)


Unconventional High-Energy-State Contribution to the Cooper Pairing in the Underdoped Copper-Oxide Superconductor HgBa2Ca2Cu3O8+dB. Loret, S. Sakai, Y. Gallais, M. Cazayous, M.-A. Méasson, A. Forget, D. Colson, M. Civelli, A. Sacuto, Phys. Rev. Lett. 116, 197001 (2016).


Magnetic critical properties and basal-plane anisotropy of Sr2IrO4, L Fruchter, D Colson, V Brouet, J. Phys. Condens. Matter 28 126003 (2016).


Optical observation of spin-density-wave fluctuations in Ba122 iron-based superconductors, B. Xu, Y. M. Dai, H. Xiao, B. Shen, Z. R. Ye, A. Fo,get, D. Colson, D. L. Feng, H. H. Wen, X. G. Qiu, R. P. S. M. Lobo, Phys. Rev. B 94  085147 (2016).


ARPES view of orbitally resolved quasiparticle lifetimes in iron pnictides, V. Brouet, D. LeBoeuf, P-H Lin, J. Mansart, A. Taleb-Ibrahimi, P. Le Fevre, F. Bertran, A. Forget, D. Colson, Phys. Rev. B 93, 085137 (2016).


Optical Writing of Magnetic Properties by Remanent Photostriction, V. Iurchuk, D. Schick, J. Bran, D. Colson, A. Forget, D. Halley, A. Koc, M. Reinhardt, C. Kwamen, N. A. Morley, M. Bargheer, M. Viret, R. Gumeniuk, G. Schmerber, B. Doudin, B. Kundys, Phys. Rev. Lett. 117, 107403 (2016).


Sr2IrO4 magnetic phase diagram, from resistivity,  L. Fruchter, G. Collin, A. Forget, D. Colson and V. Brouet, Eur. Phys. J. B, 88 (2015).


Collapse of the Pseudogap in Cuprate Superconductors at a Lifshitz Transition,  S. Benhabib, A. Sacuto, M. Civelli, I. Paul, M. Cazayous, Y. Gallais, M.-A. Méasson, R. D. Zhong, J. Schneeloch, G. D. Gu, D. Colson and A.Forget, Phys. Rev. Lett. 114, 147001 (2015).


Three energy scales in the superconducting state of hole-doped cuprates detected by electronic Raman scattering , S. Benhabib, Y. Gallais, M. Cazayous, M.-A. Measson, R. D. Zhonge, J. Schneelocheand, A. Forget, G. D. Gu, D. Colson, A. Sacuto, Phys.  Rev. B 92, 134502 (2015).


Anomalous phonon red shift in K-doped BaFe2As2 Iron-pnictides, B. Xu, Y. M. Dai, B. Shen, H. Xiao, Z. R. Ye, A. Forget, D. Colson, D.L. Feng,  H. H. Wen, C. C. Homes, X. G. Qiu, R. P. S. M. Lobo, Phys. Rev. B 91, 104510 (2015).


Driving the magnonic response of BiFeO3 with hydrostatic pressure, C. Toulouse, J.Buhot, Y. Gallais, A. Sacuto, A. Forget, D. Colson, R. De Sousa, D. Wang, L. Bellaiche, A. Barthelemy, M. Bibes, M-A. Measson, M. Cazayous, Phys. Rev. Lett. 115, 267204 (2015).


Pressure-Induced Commensurate Phase with potential giant polarization in YMn2O5, M. Deutsch,T. C. Hansen, M. T. Fernandez-Diaz, A. Forget, D. Colson, F. Porcher, I. Mirebeau, Phys; Rev. B Rapid Comm., 92, 060410 (2015).


The modulated antiferromagnetic structures in multiferroic FeVO4: a 57Fe Mössbauer spectroscopy investigation,  D. Colson, A. Forget, P. Bonville, JMMM 378 529 (2015).


Driving Spin Excitations by Hydrostatic Pressure in BiFeO3, J. Buhot, C. Toulouse, Y. Gallais, A. Sacuto, R. de Sousa, D. Wang, L. Bellaiche, M. Bibes, A. Barthélémy, A. Forget, D. Colson, M. Cazayous, M-A. Measson, Phys. Rev. Lett. 115, 267204 (2015).


NMR study of electronic correlations in Mn-doped Ba(Fe1−xCox)2As2 and BaFe2(As1−xPx)2 D. LeBoeuf, Y. Texier, M. Boselli, A. Forget, D. Colson and J. Bobroff, Phys. Rev. B 89 035114 (2014).


Temperature-induced change in the Fermi surface topology in the spin density wave phase of Sr(Fe1−xCox)2As2, Y.-X. Yang, Y. Gallais, F. Rullier-Albenque, M.-A. Méasson, M. Cazayous, A. Sacuto, J. Shi, D. Colson, and A. Forget, Phys. Rev. B 89 125130 (2014).


Raman scattering as a probe of charge nematic fluctuations in iron based superconductors, Y.-X. Yang, Y. Gallais, R. M Fernandes, I. Paul, L. Chauvière, M.-A. Méasson, M.Cazayous, A. Sacuto, D. Colson and A. Forget, JPS Conf. Proc., 015001 (2014).


Raman scattering as a probe of charge nematic fluctuations in iron based superconductors, Y.-X. Yang, Y. Gallais, R. M Fernandes, I. Paul, L. Chauvière, M.-A. Méasson, M.Cazayous, A. Sacuto, D. Colson and A. Forget, JPS Conf. Proc., 015001 (2014).


Electron Irradiation of Co, Ni, and P-doped BaFe 2As 2-type iron-based superconductors, C. van der Beek, S.Demirdiş, D. Colson, F. Rullier-Albenque, Y. Fasano, T. Shibauchi, Y. Matsuda, S. Kasahara, P. Gierlowski and M. Konczykowski, Journal of Physics: Conference Series, Vol. 449 012023 (2013).


NMR study of electronic correlations in Mn-doped Ba(Fe1-xCox)2As2 and BaFe2(As1-xPx)2,D. LeBoeuf, Y. Texier, M. Boselli, A. Forget, D. Colson, J. Bobroff, Phys. Rev. B (2013) condmat 1310.4969v2.


New insights into the phase diagram of the copper oxide superconductors from electronic Raman scattering , Sacuto, A.; Gallais, Y.; Cazayous, M.; Méasson M.-A., Gu G. D., Colson D., Reports on Progress in Physics Vol. 76 (2), 022502 (2013).


High Field Determination of Superconducting Fluctuations in High-T c cuprates, Rullier-Albenque, F.; Alloul, H.; Colson, D.; et al., Journal of Physics: Conference Series Vol. 449, 012010 (2013).


Lattice dynamics of multiferroic BiFeO3 studied by inelastic x-ray scattering, Borissenko, Elena; Goffinet, Marco; Bosak, Alexei; Rovillain, Pauline; Cazayous, Maximilien; Colson, Dorothée; Ghosez, Philippe; Krisch Michael, Journal of Physics-Condensed Matter  Vol 10, 102201 (2013).


Raman scattering as a probe of charge nematic fluctuations in iron based superconductors, X-Y. Yang, Y. Gallais, R.M. Fernandes, I. Paul, L. Chauvière, M.A. Méasson, M. Cazayous, A. Sacuto, D. Colson, A. Forget, Phys. Rev. Lett 111, 267001 (2013).


beta-NaFeO2, a new room-temperature multiferroic material,  M. Viret, D. Rubi, D. Colson*, D. Lebeugle, A. Forget, P. Bonville, G. Dhalenne, R. Saint-Martin, G. André, F. Ott, Materials Research Bulletin 47, 2294 (2012).


Resistive switching in ceramic multiferroic Bi0.9Ca0.1FeO3, Rubi D., Gomez-Marlasca F., Bonville P., Colson D.; Levy P., Physica B 407, 3144 (2012).


Wavelength dependence of photo-induced deformation in BiFeO3, B. Kundys, M. Viret, V. Da Costa, C. Meny, D. Colson, B. Doudin,  Phys. Rev. B 85, 092301 (2012).


Light controlled magnetoresistance and magnetic field controlled photoresistance in CoFe film deposited on BiFeO3, B. Kundys, C. Meny, M.R.J. Gibbs, V. Da Costa, D. Colson, M. Viret, M. Acosta, B. Doudin, APL. 111, 124513 (2012).


Direct imaging of both ferroelectric and antiferromagnetic domains in multiferroic BiFeO3 single crystal using X-ray photoemission electron microscopy, R. Moubah, M. Elzo, S. El Moussaoui,  D. Colson,  N. Jaouen, R. Belkhou, M. Viret, APL 100, 042406 (2012).


Photoluminescence Investigation of Defects and Optical Band Gap in Multiferroic BiFeO3 Single Crystals, R. Moubah, G. Schmerber,O. Rousseau, D. Colson, M. Viret, Appl. Phys. Express 5, 035802 (2012).


Photoelectric effects in single domain BiFeO3 crystals, Reda Moubah, Olivier Rousseau, Dorothée Colson, Alla Artemenko, Mario Maglione, Michel Viret, Adv. Funct. Mater. 22, 4814 (2012).


Incommensurate Spin Density Wave versus local magnetic inhomogeneities in Ba(Fe1-xNix)2As2: a57Fe Mössbauer spectroscopy study, A. Olariu, P. Bonville, F. Rullier-Albenque, D.Colson, A. Forget, New J. Phys. 14, 053044 (2012).


Nanoscale textured superconductivity in Ru-substituted BaFe2As2 : universality put into question

Y. Laplace, J. Bobroff, V. Brouet, G.Collin, F. Rullier-Albenque, D. Colson  A. Forget,  Phys.Rev.B  86, 020510 (2012).


Opening of the superconducting gap in the hole pockets of Ba(Fe1-xCox)2As2 as seen via Angle-Resolved PhotoElectron Spectroscopy, B. Mansart, E. Papalazarou, M. Fuglsang Jensen, V. Brouet, L. Petaccia,  L. de' Medici, G. Sangiovanni, F. Rullier-Albenque, A. Forget, D. Colson, M. Marsi, Phys. Rev. B  85, 144508 (2012).


Vortex pinning: A probe for nanoscale disorder in iron-based superconductors, van der Beek, C. J.; Demirdis, S.; Konczykowski, M.; Fasano, Y.; Cejas Bolecek, N. R.; Pastoriza, H.; Colson, D.; Rullier-Albenque, F.,  Physica B 407, 1746 (2012).


Impact of the two Fe unit cell on the electronic structure measured by ARPES in iron pnictides, Brouet, V.; Jensen, M. Fuglsang; Lin, Ping-Hui; Taleb-Ibrahimi, A.; Le Fevre, P.; Bertran, F.; Lin, Chia-Hui; Ku, Wei; Forget, A.; Colson, D., Phys. Rev B 86, 075123 (2012).


Multiorbital effects on the transport and the superconducting fluctuations in LiFeAs, F. Rullier-Albenque, D. Colson, A. Forget, H. Alloul, Phys. Rev. Lett. 109, 187005 (2012).


Direct evidence of interchange between hole doping and Curie paramagnetism in underdoped YBa2Cu3Ox,  J. Biscaras, B. Leridon,  D.Colson,  A. Forget, P. Monod, Phys Rev B 85, 134517 (2012).


BaCu3O4: High-temperature magnetic order in one-dimensional S = 12 diamond chainsC.W. Rischau,  B. Leridon, D. Colson, A. Forget, P. Monod,  Phys Rev B 85, 134518 (2012).


Effect of La doping in the multiferroic compound BiFeO3,  G. Le Bras, D. Colson, A. Forget, N. Genand-Riondet, R. Tourbot, P. Bonville, Physica B, 406, 1492 (2011).


Different effects of Ni and Co substitution on the transport properties of BaFe2As2, A. Olariu, F. Rullier-Albenque, D. Colson, A. Forget, Phys. Rev. B 83, 054518 (2011).


Angle-resolved photoemission study of the role of nesting and orbital orderings in the antiferromagnetic phase of BaFe2As2, M. Fuglsang Jensen, V. Brouet, E. Papalazarou, A. Nicolaou,  A. Taleb-Ibrahimi, P. Le F`evre,  F. Bertran, A. Forget,  D. Colson, Phys. Rev. B 84, 014509 (2011).


Orbital nature of the hole-like Fermi surface in superconducting Ba(Fe1-xCox)2As2., Mansart, B.; Brouet, V.; Papalazarou, E.; Jensen, M. Fuglsang; Petaccia, L.; Gorovikov, S.; Grum-Grzhimailo, A. N.; Rullier-Albenque, F.; Forget, A.; Colson, D.; Marsi, M., Phys. Rev. B 83(6), 064516 (2011).

Strong pinning and vortex energy distributions in single-crystalline Ba(Fe1−xCox)2As2, S. Demirdis¸ C. J. van der Beek, Y. Fasano, N. R. Cejas Bolecek, H. Pastoriza, D. Colson, F. Rullier-Albenque, Phys. Rev. B 84, 094517 (2011).


Raman scattering study of spin-density-wave order and electron-phonon coupling in Ba(Fe1−xCox)2As2, L. Chauvière, Y. Gallais, M. Cazayous, M. A. Méasson, A. Sacuto, D. Colson, A. Forget, Phys. Rev. B 84, 104508 (2011).


Electronic Raman scattering in copper oxide superconductors: Understanding the phase diagram, A. Sacuto, Y. Gallais,  M. Cazayous, S. Blanc, M.-A.  Measson, J. Wen, Z. Xu, G. Gu, D.Colson, CR Académie des Sciences Physique 12, 480-501 (2011).


One dimensional ordering of doping oxygen in HgBa2Cuo4+d  superconductors evidenced by X-ray diffuse scattering, Izquierdo, M.; Megtert, S.; Colson, D.; Honkimaeki, V.; Forget, A.; Raffy, H.; Comes, R. , Journal of Physics and Chemistry of Solids, 72(5),  545-548 . (2011)


Light-induced size changes in BiFeO3 crystals, B. Kundys, M. Viret, D. Colson, D. O. Kundys, Nature Materials 9, 803 (2010).


Electric-field control of spin waves at room temperature in multiferroic BiFeO3, P. Rovillain, R. de Sousa, Y. Gallais, A. Sacuto, M. A. Méasson, D. Colson, A. Forget, M. Bibes, A. Barthélémy, M. Cazayous, Nature Materials 9, 975-979 (2010).


Neutron diffraction study of the BiFeO3 spin cycloid at low temperature, Julia Herrero-Albillos, Gustau Catalan, José Alberto Rodriguez-Velamazan, Michel Viret, Dorothée Colson, James F Scott, J. Phys.: Condens. Matter 22, 256001 (2010).


Exchange coupling with the multiferroic compound BiFeO3 in antiferromagnetic multidomain films and single-domain crystals, D. Lebeugle, A. Mougin,  M. Viret, D. Colson,J. Allibe, H. Béa, E. Jacquet, C. Deranlot, M. Bibes,and A. Barthélémy, Phys. Rev B 81,134411 (2010).


Hole and electron contributions to the transport properties of Ba(Fe1−xRux)2As2 single crystals, F. Rullier-Albenque, D. Colson, A. Forget, P. Thuéry, S. Poissonnet, Phys. Rev. B 81, 224503 (2010).


Incommensurate spin density wave in Co-doped BaFe2As2, P. Bonville, F. Rullier-Albenque, D. Colson A. Forget, EPL 89, 67008 (2010).


Absence of large nanoscale electronic inhomogeneities in the Ba(Fe1-xCox)2As2 pnictide.   Laplace, Y.; Bobroff, J.; Rullier-Albenque, F.; Colson, D.; Forget, A, European Physical Journal B: Condensed Matter and Complex Systems 73(2),  161 (2010).


Optical conductivity of sub-gap absorption in the superconducting state of 2 Ba(Fe,Co)2As2, R. P. S. M. Lobo, Y. Dai, U. Nagel, T. Room,J. P. Carbotte, T. Timusk, D. Colson, Phys. Rev. B 82, 100506 (2010).


Ultrafast transient response and electron-phonon coupling in the iron-pnictide superconductor Ba(Fe1−xCox)2As2, B. Mansart, D. Boschetto, A. Savoia,  F. Rullier-Albenque, F. Bouquet, E. Papalazarou, A. Forget, D. Colson, A. Rousse, M. Marsi, Phys. Rev. B 82, 024513 (2010).


Significant Reduction of Electronic Correlations upon Isovalent Ru Substitution of BaFe2As2

V. Brouet, F. Rullier-Albenque, M. Marsi, B. Mansart, M. Aichhorn, S. Biermann, J. Faure, L. Perfetti, A. Taleb-Ibrahimi, P. Le Fèvre, F. Bertran, A. Forget, D. Colson, Phys. Rev. Lett. 105, 087001 (2010).


Loss of antinodal coherence with a single d-wave superconducting gap leads to two energy scale for underdoped cuprate superconductors, S. Blanc, Y. Gallais, M. Cazayous, M.A. Méasson, A. Georges, J.S. Wen, Z.J. Xu, G.D. Gu, D. Colson, Phys. Rev. B 82, 144516 (2010).


Superconducting fluctuations, pseudogap and phase diagram in cuprates, H. Alloul, F. Rullier-Albenque, B. Vignolle, D. Colson, A. Forget, EPL 91, 37005 (2010).


Uniaxial and Hydrostatic Pressure Studies on Optimally Doped HgBa2CuO4+δ Single Crystals, F. Hardy, N. J. Hillier, C. Meingast, D. Colson, Y. Li, M. Greven, J. S. Schilling, Phys. Rev. Lett. 105, 167002 (2010).


Hall effect and resistivity study of the magnetic transition, carrier content and Fermi liquid behavior in Ba(Fe1-x Cox)2As2., F. Rullier-Albenque, D. Colson, A. Forget, and H. Alloul., Phys. Rev. Lett., 103, 057001 (2009)


Nesting between hole and electron pockets in Ba(Fe1-xCox)2As2 (x=0.3) observed with angle resolved photoemission, V. Brouet, M. Marsi, B. Mansart, A. Nicolaou, A. Taleb-Abrahimi, P. Le Fèvre, F. Bertran, F. Rullier-Albenque, A. Forget,and D. Colson., Phys. Rev. B, 80, 165115 (2009).


Atomic coexistence of superconductivity and incommensurate magnetic, order in the pnictide Ba(Fe18722;xCox)2As2, Y. Laplace, J. Bobroff, F. Rullier-Albenque, D. Colson, and A. Forget

Phys. Rev. B, 80, 140501(R) (2009).


Doping dependence of the lattice dynamics in Ba(Fe18722;xCox)2As2 studied by Raman spectroscopy,  L. Chauvière, Y. Gallais, M. Cazayous, A. Sacuto, M.A. Méasson, D. Colson, and A. Forget.,

Phys. Rev. B, 80, 094504, (2009).


Electric field switching of the magnetic anisotropy of a ferromagnetic layer exchange coupled to the multiferroic compound BiFeO3. D. Lebeugle, A. Mougin, M. Viret, D. Colson, L. Ranno. Phys Rev Lett 103, 257601 (2009).


Magnetization and magnetoelectric effect in Bi18722;xLaxFeO3 (0G. Le Bras, D. Colson, A. Forget, N. Genand-Riondet, R. Tourbot and P. Bonville, Phys Rev B, (2009).


Polar phonons and spin excitations coupling in multiferroic BiFeO3 crystals,. P. Rovillain, M. Cazayous, Y. Gallais, A. Sacuto, R. Lobo, D. Lebeugle, and D. Colson. Phys. Rev. B, 79, 180411, (2009).


Piezoelectric measurements on BiFeO3 single crystal by Raman scattering., P. Rovillain, M. Cazayous, A. Sacuto, D. Lebeugle, and D. Colson. J. Magn. Magn. Mater., 321, 1699–1701, (2009).


Possible interplay between a two phonon mode and high energy magnetic excitations in BiFeO3.M. Cazayous, A. Sacuto, D. Lebeugle, and D. Colson, Eur. Phys. J. B, 67, 209–212, (2009).


Dynamics Exchange Boson in Cuprates:Optical Conductivity of HgBa2CuO4+d., J. Yang, J. Hwang, E. Schachinger, J.P. Carbotte, R. Lobo, D. Colson,A. Forget, and T. Timusk. Phys. Rev. Lett., 102, 027003/1 (2009).


Self-organization processes in highly epitaxial La2/3Sr1/3MnO3 thin films grown on SrTiO3 (001) substrates., Z. Konstantinovic, J. Santiso, D. Colson, A. Forget, LI. Balcells,and B. Martinez, J. Appl. Phys., 105, 063919 (2009).


Thermodynamic signature of a phase transition in the pseudogap phase of YBa2Cu3Ox high-TC superconductor, B Leridon, P. Monod, D. Colson, and A. Forget. Europhys. Lett., 87, 17011, (2009).


Breakpoint in the evolution of the gap through the cuprate phase diagram,   W. Guyard, M. Le Tacon, M. Cazayous, A. Sacuto, A. Georges, D. Colson,  A. Forget., Phys. Rev. B 77, 024524 (2008).


Temperature dependence of the gap size near the brillouin-zone nodes of HgBa2CuO4+delta superconductors

W. Guyard, A. Sacuto, M. Cazayous, Y. Gallais, M. Le Tacon, D. Colson, and A. Forget, Phys. Rev. B 101 097003 (2008).


Electric-Field-Induced Spin Flop in BiFeO3 Single Crystals at Room Temperature. D. Lebeugle, D. Colson, A. Forget, M. Viret, A.M. Bataille, and A. Gukasov., P, Phys. Rev. Lett. 100, 227602 (2008).


Possible Observation of Cycloidal Electromagnons in BiFeO3. M. Cazayous, Y. Gallais, A. Sacuto, R. de Sousa, D. Lebeugle,  D. Colson, Phys. Rev. Lett. 101, 037601 (2008).


Electric field effect on BiFeO3 single crystal investigated by Raman spectroscopy, M. Cazayous, D. Malka, D. Lebeugle, D. Colson, Appl. Physics Lett. 91, 71910 (2007).


Room temperature coexistence of large electric polarization and magnetic order in BiFeO3 single crystals, Lebeugle D.; Colson, D.; Forget, A.; Viret, M.; Bonville, P.; Marucco, J-F.,  Fusil, S., Phys. Rev. B 76, 024116 (2007).


Very large spontaneous polarization in BiFeO3 single crystals at room temperature and its evolution under cycling field, Lebeugle D., Colson D., Forget A., Viret M, Appl. Physics Lett. 91 22907 (2007).


Total suppression of superconductivity by high magnetic fields in YBa2Cu3O6:6, F. Rullier-Albenque, H. Alloul, C. Proust, P. Lejay, A. Forget, and D. Colson, Phys. Rev. Lett. 99, 027003 (2007).






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