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Publications

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The PhD theses of the Squap team are available on the link :
https://www.dropbox.com/sh/2nwnlgjq0mbwjui/AADywA1wyVj4GwJkdV8olhqza?dl=0

2019

Critical nematic fluctuations at the onset of the pseudogap phase in the cuprate superconductor Bi2Sr2CaCu2O8+δ
N. Auvray, B. Loret, S. Benhabib, M. Cazayous, R. D. Zhong, J. Schneeloch, G. D. Gu, A. Forget, D. Colson, I. Paul, A. Sacuto, Y. Gallais
arXiv:1902.03508

Crystal Growth and Doping Control of HgBa2CuO4+δ, the Model Compound for High-Tc Superconductors
Anaëlle Legros, Bastien Loret, Anne Forget, Patrick Bonnaillie, Gaston Collin, Pierre Thuéry, Alain Sacuto and Dorothée Colson.
arXiv:1812.01489

Intimate link between Charge Density Wave, Pseudogap and Superconducting Energy Scales in Cuprates
B. Loret, Y. Gallais, M. Cazayous, A. Forget, D. Colson, M. -H. Julien, I. Paul, M. Civelli and A. Sacuto
arXiv:1808.08198 accepted in Nature Physicsand on line :
https://www.nature.com/articles/s41567-019-0509-5

Probing chiral electronic excitations in bilayer graphene by Raman scattering
E. Riccardi, O. Kashuba, M. Cazayous, MA Measson, A. Sacuto and Y. Gallais.
Phys. Review Maerials, 3, 014002 (2019).

Pressure-Induced Collapse of the Charge Density Wave and Higgs Mode Visibility in 2H−TaS2
Romain Grasset, Yann Gallais, Alain Sacuto, Maximilien Cazayous, Samuel Mañas-Valero, Eugenio Coronado, and Marie-Aude Méasson
Phys. Rev. Letters, 122, 127001 (2019).

Magnetic transitions in CaMn7O12 : Raman observation of spin-phonon couplings
C. Toulouse, C. Martin, M-A. Measson, Y. Gallais, A. Sacuto, and M. Cazayous
Phys. Rev. B 99, 024303 (2019).

2018

Colossal electromagnon excitation in the non-cycloidal phase of TbMnO3 under pressure
_Ian Aupiais, Masahito Mochizuki, Hideaki Sakata, Romain Grasset, Yann Gallais, Alain Sacuto & Maximilien Cazayous
npj Quantum Materials, volume 3, Article number : 60 (2018).

Collapse of Critical Nematic Fluctuations in FeSe under Pressure
_Pierre Massat, Yundi Quan, Romain Grasset, Marie-Aude Méasson, Maximilien Cazayous, Alain Sacuto, Sandra Karlsson, Pierre Strobel, Pierre Toulemonde, Zhiping Yin, and Yann Gallais
Phys. Rev. Lett. 121, 077001 (2018).

Raman and ARPES combined study on the connection between the existence of the pseudogap and the topology of the Fermi surface in Bi2Sr2CaCu2O8+d
_B. Loret, Y. Gallais, M. Cazayous, R. D. Zhong, J. Schneeloch, G. D. Gu, A. Fedorov, T. K. Kim, S. V. Borisenko, and A. Sacuto
Physical Review B 97, 174521 (2018).

Higgs Mode in the d-Wave Superconductor Bi2Sr2CaCu2O8+x Driven by an Intense Terahertz Pulse
K. Katsumi, N. Tsuji, Y. Hamada, R. Matsunaga, J. Schneeloch, R.D. Zhong, G. Gu, H. Aoki, Y. Gallais and R. Shimano
Physical Review Letters 120, 117001 (2018) Editor’s suggestion

Higgs-mode radiance and charge-density-wave order in 2H−NbSe2
R. Grasset, T. Cea, Y. Gallais, M. Cazayous, A. Sacuto, L. Cario, L. Benfatto, and M.-A. Méasson
Physical Review B 97, 094502 (2018).

2017

Vertical temperature boundary of the pseudogap under the superconducting dome in the phase diagram of BiSr2CaCu2O8+δ
B. Loret, S. Sakai, S. Benhabib, Y. Gallais, M. Cazayous, M. A. Méasson, R. D. Zhong, J. Schneeloch, G. D. Gu, A. Forget, D. Colson, I. Paul, M. Civelli, and A. Sacuto
Physical Review B 96, 094525 , 2017

Crystal Growth and Characterization of HgBa2Ca2Cu3O8+δ Superconductors with the Highest Critical Temperature at Ambient Pressure
B. Loret, A. Forget, J-B. Moussy, S. Poissonnet, P. Bonnaillie, G. Collin, P. Thuéry, A. Sacuto and D. Colson
Inorg. Chem. 56, 9396−9399, 2017,

Role of the rare earth in lattice and magnetic coupling in multiferroic h - HoMnO3
Liu, J , Gallais, Y ; Measson, MA ; Sacuto, A ; Cheong, SW ; Cazayous, M
Physcial Review B 95, 195104, 2017

Strain and magnetic field induced spin-structure transitions in multiferroic BiFeO3
A. Agbelele, D. Sando, C. Toulouse, C. Paillard, R. D. Johnson, R. Rüffer, A. F. Popkov, C. Carrétéro, P. Rovillain, J.-M. Le Breton, B. Dkhil, M. Cazayous, Y. Gallais, M.-A. Méasson, A. Sacuto, P. Manuel, A. K. Zvezdin, A. Barthélémy, J. Juraszek, and M. Bibes
Advanced Materials, 1602327 (2017)

Raman active high energy excitations in URu2Si2
J. Buhot, Y. Gallais, M. Cazayous, A. Sacuto, P. Piekarz, G. Lapertot, D. Aoki, M-A. Méasson
Physica B 506, 19 (2017)

2016

Strain and magnetic field induced spin-structure transitions in multiferroic BiFeO3
A. Agbelele, D. Sando, C. Toulouse, C. Paillard, R. D. Johnson, R. Rüffer, A. F. Popkov, C. Carrétéro, P. Rovillain, J.-M. Le Breton, B. Dkhil, M. Cazayous, Y. Gallais, M.-A. Méasson, A. Sacuto, P. Manuel, A. K. Zvezdin, A. Barthélémy, J. Juraszek, and M. Bibes
Advanced Materials 2017, 1602327 (2016)

η collective mode as A1g Raman resonance in cuprate superconductors
X. Montiel, T. Kloss, C. Pépin, S. Benhabib, Y. Gallais, and A. Sacuto
Phys. Rev. B 93, 024515 (2016)

Temperature evolution of the band gap in BiFeO3 traced by resonant Raman scattering
Mads Christof Weber, Mael Guennou, Constance Toulouse, Maximilien Cazayous, Yannick Gillet, Xavier Gonze, and Jens Kreisel
Phys. Rev. B 93, 125204 (2016)

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

Gate dependent electronic Raman scattering in graphene
Riccardi, Elisa, Méasson, Marie-Aude, Cazayous, M, Sacuto, Alain, and Gallais, Yann
Phys. Rev. Lett. 116, 066805 (2016)

Vie et mort du Pseudogap dans l’état normal du cuprate Bi2Sr2CaCu2O8+δ
Thèse de Doctorat de Siham Benhabib, Université Paris Diderot - Paris 7
Thèse

2015

Ordres cachés et magnétisme étudiés par spectroscopie Raman en conditions extrêmes
Thèse de Doctorat de Jonathan Buhot, Université Paris Diderot - Paris 7
Thèse

Driving spin excitations by hydrostatic pressure in BiFeO3 single crystals
J. Buhot, C. Toulouse, M-A. Méasson, , Y. Gallais, A. Sacuto, R. de Sousa, D. Wang, L. Bellaiche, M. Bibes, A. Barthelemy, A. Forget, D. Colson and M. Cazayous
Phys. Rev. Lett. 115, 267204 (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. Méasson, R. D. Zhong, J. Schneeloch, A. Forget, G. D. Gu, D. Colson, and A. Sacuto
Phys. Rev. B 92, 134502 (2015)

Phonons in the multiferroic langasite Ba3NbFe3Si2O14 : Evidence for symmetry breaking
C. Toulouse, M. Cazayous, S. de Brion, L. Chaix, J. B. Brubach, and P. Roy
Phys. Rev. B 92, 104302 (2015)

Collapse of the normal-state pseudogap at a Lifshitz transition in the Bi2Sr2CaCu2O8+delta cuprate superconductor
S. Benhabib, A. Sacuto, M. Civelli, I. Paul, M. Cazayous, Y. Gallais, M.-A. Measson, R. D. Zhong, J. Schneeloch, G. D. Gu, D. Colson, A. Forget
Phys. Rev. Lett. 114, 147001 (2015)

Lattice dynamics of the heavy-fermion compound URu2Si2
J. Buhot, M.-A. Méasson, Y. Gallais, M. Cazayous, G. Lapertot, D. Aoki, and A. Sacuto
Phys. Rev. B 91, 035129 (2015)

Matériaux Multiférroïques, structure, ordres et couplages. Une étude par spectroscopie Raman
Thèse de Doctorat de Constance Toulouse, Université Paris Diderot - Université Paris Sud - DGA
Thèse

2014

Symmetry of the Excitations in the Hidden Order State of URu2Si2
J. Buhot, M.-A. Méasson, Y. Gallais, M. Cazayous, G. Lapertot, D. Aoki, and A. Sacuto
Phys. Rev. Lett. 113, 266405 (2014)

Raman study to obtain crystallite size of carbon materials : A better alternative to the Tuinstra–Koenig law
A, P. Mallet-Ladeira, P. Puech, C. Toulouse, M. Cazayous, N. Ratel-Ramond, P. Weisbecker, G. L. Vignoles, and M. Monthioux
Carbon 80, 629 (2014)

Temperature-induced Change in the Fermi Surface Topology in the Spin Density Wave phase of Sr(Fe1−xCox)2As2
Y.-X. Yang, F. Rullier-Albenque, M.-A. Méasson, M. Cazayous, A. Sacuto, J. Shi, D. Colson, A. Forget, and Y. Gallais
Phys. Rev. B 89,125130 (2014)

Lattice and spin excitations in multiferroic h-YMnO3
C. Toulouse, J. Liu, Y. Gallais, M-A. Measson, A. Sacuto, L. Chaix, V. Simonet, S. de Brion, L. Pinsard-Godart, F. Willaert, J. B. Brubach, P. Roy, S. Petit and M. Cazayous
Phys. Rev. B 89,094415 (2014)

Amplitude ``Higgs’’ mode in 2H-NbSe 2 superconductor
M.-A. Méasson, Y. Gallais, M. Cazayous, B. Clair, P. Rodière, L. Cario, and A. Sacuto
Phys. Rev. B 89,060503(R) (2014)

Control of ferroelectricity and magnetism in multiferroic BiFeO3 by epitaxial strain
D. Sando, A. Agbelele, D. Rahmedov, J. Liu, P. Rovillain, C. Toulouse, I.C. Infante, A.P. Pyatakov, S. Fusil, E. Jacquet, C. Carrétéro, C. Deranlot, S. Lisenkov, D. Wang, J.-M. Lebreton, M. Cazayous, J. Juraszek, A.K. Zvezdin, L. Bellaiche, B. Dkhil, A. Barthélémy and M. Bibes
Phil. Trans. R. Soc. A 372, 20120438 (2014)

2013

Observation of Incipient Charge Nematicity in Ba(Fe1−XCoX)2As2
Y. Gallais, R. M. Fernandes, I. Paul, L. Chauvière, Y.-X. Yang, M.-A. Méasson, M. Cazayous, A. Sacuto, D. Colson, and A. Forget
Phys. Rev. Lett. 111, 267001 (2013)

Crafting the magnonic and spintronic response of BiFeO3 films by epitaxial strain
. Sando, A. Agbelele, D. Rahmedov, J. Liu, P. Rovillain, C. Toulouse, I.C. Infante, A.P. Pyatakov, S. Fusil, E. Jacquet, C. Carrétéro, C. Deranlot, S. Lisenkov, D. Wang, J.-M. Lebreton, M. Cazayous, A. Sacuto, J. Juraszek, A.K. Zvezdin, L. Bellaiche, B. Dkhil, A. Barthélémy and M. Bibes
Nature Materials 12, 641 (2013)

Theory of spin-orbit enhanced electric-field control of magnetism in multiferroic BiFeO3
R. de Sousa, M. Allen, and M. Cazayous
Phys. Rev. Lett. 110, 267202 (2013)

Raman-scattering measurements and theory of the energy-momentum spectrum for underdoped Bi2Sr2CaCuO8+\delta superconductors : Evidence of an s-wave structure for the pseudogap
S. Sakai, S. Blanc, M. Civelli, Y. Gallais, M. Cazayous, M.-A. Measson, J. S. Wen, Z. J. Xu, G. D. Gu, G. Sangiovanni, Y. Motome, K. Held, A. Sacuto, A. Georges, and M. Imada
Phys. Rev. Lett. 111, 107001 (2013)

Pseudogap in cuprates by Electronic Raman scattering
A. Sacuto, Y. Gallais, M. Cazayous, and M.-A. Méasson
Journal of Physics 449, 012011 (2013)

Raman scattering study of the lattice dynamic of URu2Si2 and sample’s preparation
J. Buhot, M-A. Measson, Y. Gallais, M. Cazayous, A. Sacuto, G. Lapertot, D. Aoki
J. Korean Phys. Society 62, 1427 (2013)

New insights into the phase diagram of the copper oxide superconductors from electronic Raman scattering
Sacuto, Y. Gallais, M. Cazayous, M.-A. Méasson, G. D. Gu and D. Colson
Rep. Prog. Phys. 76, 022502 (2013)

Lattice dynamic of multiferroic BiFeO3 studied by inelastic x-ray scattering
E. Borissenko, M. Goffinet, A. Bosak, P. Rovillain, M. Cazayous, D. Colson, P. Ghosez, and M. Krisch
J Phys Condens Matter. 25, 102201 (2013)

Lattice, magnetic excitations and their coupling in multiferroic materials
Thèse de Doctorat de Jiaji Liu, Université Paris Diderot-Paris 7
Thèse

2012

Lattice and spin excitations in multiferroic h-YbMnO3
J. Liu, C. Toulouse, P. Rovillain, M. Cazayous, Y. Gallais, M-A. Measson, S. W. Cheong, N. Lee, and A. Sacuto
Phys. Rev. B 86,184410 (2012)

Electromagnon and phonon excitations in multiferroic TbMnO3
P. Rovillain, J. Liu, M. Cazayous, Y. Gallais, M-A. Measson, H. Sakata, and A. Sacuto
Phys. Rev. B 86,0144370 (2012)

2011

Une approche optique de l’intrication entre le magnétisme et la ferroélectricité dans les multiferroïques
Thèse de Doctorat de Pauline Rovilain, Université Pierre et Marie Curie-Paris 6
Thèse

Magnétisme et supraconductivité dans les pnictures de fer étudiés par diffusion Raman
Thèse de Doctorat de Ludivine Chauvière, Université Paris Diderot - Paris 7
Thèse

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, and 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. Méasson, J. Wen, Z. Xu, G. Gu and D. Colson
C. R. Physique 12,480 (2011)

Magnetic field induced dehybridization of the electromagnons in multiferroic TbMnO3
P. Rovillain, M. Cazayous, Y. Gallais, A. Sacuto, M-A. Measson, H. Sakata and M. Mochizuki
Phys. Rev. Lett. 107, 027202 (2011)