Publications

Tuning the Multiferroic Properties of ${\mathrm{BiFeO}}_{3}$ under Uniaxial Strain

P. Hemme, J.-C. Philippe, A. Medeiros, A. Alekhin, S. Houver, Y. Gallais, A. Sacuto, A. Forget, D. Colson, S. Mantri, B. Xu, L. Bellaiche, M. Cazayous

Physical Review Letters 131, 116801 (2023)

 

 

Disentangling Lattice and Electronic Instabilities in the Excitonic Insulator Candidate Ta2NiSe5 by Nonequilibrium Spectroscopy
Kota Katsumi, Alexandr Alekhin, Sofia-Michaela Souliou, Michael Merz, Amir-Abbas Haghighirad, Matthieu Le Tacon, Sarah Houver, Maximilien Cazayous, Alain Sacuto, and Yann Gallais
Physical Review Letters 130, 106904 (2023) 

 

 

 

Stabilizing electromagnons in CuO under pressures

M. Verseils, P. Hemme, D. Bounoua, R. Cervasio, J-B. Brubach, S. Houver, Y. Gallais, A. Sacuto, D. Colson, T. Iijima, M. Mochizuki, P. Roy, M. Cazayous
npj Quantum Materials 8(1), 11 (2023). 

 

 

400 kHz repetition rate THz-TDS with 24 mW of average power driven by a compact industrial Yb-laser

C. Millon, S. Houver, C. J. Saraceno

Optics Express 31, 7972 (2023)

 
2022

Nematic-Fluctuation-Mediated Superconductivity Revealed by Anisotropic Strain in Co-BaFe2As2
Jean-Côme Philippe, Jimmy Faria, Anne Forget, Dorothée Colson, Sarah Houver, Maximilien Cazayous, Alain Sacuto, Indranil Paul and Yann Gallais
Physical Review Letters 129, 187002 (2022)  10.1103/PhysRevLett.129.187002

Elasto-Raman scattering : Arsenic optical phonon as a probe of nematicity in BaFe2As2
J-C. Philippe, J. Faria, A. Forget, D. Colson, S. Houver, M. Cazayous, A. Sacuto, and Y. Gallais
Physical Review B 105, 024518 (2022). 10.1103/PhysRevB.105.024518

Impact ionization in low-band-gap semiconductors driven by ultrafast terahertz excitation: Beyond the ballistic regime

Simone Biasco, Florence Burri, Sarah Houver, Elsa Abreu, Matteo Savoini, and Steven L. Johnson

Physical Review B  106, 235201 (2022) 10.1103/PhysRevB.106.235201

Spin singlet and quasiparticle excitations in cuprate superconductors

M. Mezidi, A. Alekhin, D. Colson, S. Houver, M. Cazayous, Y. Gallais, G.D. Gu, A. Sacuto
Physical Review B 106, 174513 (2022).
10.1103/PhysRevB.106.174513

Terahertz pulse-driven collective mode in the nematic superconducting state of Ba1−xKxFe2As2
R. Grasset, K. Katsumi, P. Massat, H-H. Wen, X-H. Chen, Y. Gallais and R. Shimano
npj Quantum Materials 7, 4 (2022). 10.1038/s41535-021-00411-9

Non-collinear and strongly asymmetric polar moments at back-gated SrTiO3 interfaces
F. Lyzwa, Yu. G. Pashkevich, P. Marsik, A. Sirenko, A. Chan, B.P.P. Mallett, M. Yazdi-Rizi, B. Xu, L.M. Vicente-Arche, D. Vaz, G. Herranz, M. Cazayous, P. Hemme, K. Fürsich, M. Minola, B. Keimer, M. Bibes, and C. Bernhard
npj Comm. Phys. 5, 133 (2022).

 

2021

Thermally populated versus field-induced triplon bound states in the Shastry-Sutherland lattice SrCu2(BO3)2
D. Wulferding, Y. Choi, S. Lee, M. A. Prosnikov, Y. Gallais, P. Lemmens, C. Zhong, H. Kageyama and K-Y. Choi
npj Quantum Materials 6, 102 (2021).

 

Orbital dichotomy of Fermi liquid properties in Sr2RuO4 revealed by Raman spectroscopy

JC Philippe, B Baptiste, C Sow, Y Maeno, A Forget, D Colson, M. Cazayous, A. Sacuto and Y. Gallais

Physical Review B 103 (23), 235147 (2021) Editor’s suggestion

Confined magnons
S. Beairsto, M. Cazayous, R. S. Fishman, and R. de Sousa
Phys. Rev. B 104, 134415 (2021) Editors’ Suggestion.

Elastic and magnetoelastic properties of TbMnO3 single crystal by nanosecond time resolved acoustics and first-principles calculations
P. Hemme, P. Djemia, P. Rovillain, S. Hoover, Y. Gallais, A. Sacuto, H. Sakata, E. Charron, B. Perrin, L. Belliard, and M. Cazayous
J. Phys. : Condens. Matter 33, 49540 (2021).

Ultrafast switching to a metastable hidden state by amplitudon excitation in charge wave phase of 3R-Ta1+xSe2
N. Yoshikawa, H. Suganuma, H. Matsuoka, Y. Tanaka, P. Hemme, M. Cazayous, Y. Gallais, M. Nakano, Y. Iwasa, and R. Shimano
Nature Physics 17, 909 (2021).

Exploration of the Hg-based cuprate superconductors by Raman spectroscopy under hydrostatic pressure
N. Auvray, B. Loret, S. Chibani, R. Grasset, Y. Guarnelli, P. Parisiades, A. Forget, D. Colson, M. Cazayous, Y. Gallais, A. Sacuto
Phys. Rev. B 103, 195130 (2021).

 

Lattice-Shifted Nematic Quantum Critical Point in FeSe1-xSx
S. Chibani, D. Farina, P. Massat, M. Cazayous, A. Sacuto, T. Urata, Y. Tanabe, K. Tanigaki, A. E. Böhmer, P. Canfield, M. Merz, S. Karlsson, P. Strobel, P. Toulemonde, I. Paul, and Y. Gallais
npj Quantum Materials, 6, 37 (2021).

Elastic properties assessment in the multiferroic BiFeO3 by picosecond ultrasounds
P. Hemme, P. Djemia, P. Rovillain, Y. Gallais, A. Sacuto, A. Forget, D. Colson, E. Charron, B. Perrin, L. Belliard, and M. Cazayous
Appl. Phys. Lett. 118, 062902 (2021).

 

Amplitude mode of charge density wave in TTF[Ni(dmit)2]2 by electronic Raman scattering
M. Revelli Beaumont, P. Hemme, Y. Gallais, A. Sacuto, L. Valade, D. de Caro, C. Faulman, and M. Cazayous
Phys. Rev. B 103, 035139 (2021).

 

Possible observation of the signature of the bad metal phase and its crossover to a Fermi liquid in kappa-(BEDT-TTF)Cu(NCS)2 bulk and nanoparticles by Raman scattering
M. Revelli-Beaumont, P. Hemme, Y. Gallais, A. Sacuto, L. Valade, D. de Caro, C. Faulman, and M. Cazayous
J. Phys. : Condens. Matter 33, 125403 (2021).

2020

Universal relationship between the energy scales of the pseudogap phase, the superconducting state, and the charge-density-wave order in copper oxide superconductors
B. Loret, N. Auvray, G. D. Gu, A. Forget, D. Colson, M. Cazayous, Y. Gallais, I. Paul, M. Civelli and A. Sacuto
Physical Review B 101, 214520 (2020).

Superconducting fluctuations probed by the Higgs mode in Bi2212 thin-films
K Katsumi, ZZ Li, H Raffy, Y Gallais, R Shimano
Physical Review B 102 (5), 054510 (2020)
 

Phase resolved Higgs response in superconducting cuprates

Hao Chu, Min-Jae Kim, Kota Katsumi, Sergey Kovalev, Robert David Dawson, Lukas Schwarz, Naotaka Yoshikawa, Gideok Kim, Daniel Putzky, Zhi Zhong Li, Hélène Raffy, Semyon Germanskiy, Jan-Christoph Deinert, Nilesh Awari, Igor Ilyakov, Bertram Green, Min Chen, Mohammed Bawatna, Georg Cristiani, Gennady Logvenov, Yann Gallais, Alexander V Boris, Bernhard Keimer, Andreas P Schnyder, Dirk Manske, Michael Gensch, Zhe Wang, Ryo Shimano, Stefan Kaiser

Nature Communications 11 (1), 1793 (2020)

Anisotropic Kondo pseudogap in URu2Si2
J. Buhot, X. Montiel, Y. Gallais, M. Cazayous, A. Sacuto, G. Lapertot, D. Aoki, N. E. Hussey, C. Pépin, S. Burdin, and M.-A. Méasson
Physical Review B 101, 245103 (2020).

Impact of the surface phase transition on magnon and phonon excitations in BiFeO3 nanoparticles
I. Aupiais, P. Hemme, M. Allen, R. de Sousa, S. S. Wong, Y. Gallais, A. Sacuto, M. Cazayous
Applied Physics Letters 116 172903 (2020).

 

Switchable two-dimensional electron gas based on ferroelectric Ca:SrTiO3
J. Bréhin, F. Trier, L. M. Vicente-Arche, P. Hemme, P. Noël, M. Cosset-Chéneau, J-P. Attané, L. Vila, A. Sander, B. Dkhil, V. Garcia, S. Fusil, A. Barthélémy, M. Cazayous and M. Bibes
Rapid. Comm. Phys. Rev. Mat. 4, 041002(R) (2020). [Editor’s recommendation + Featured in Physics]

Reproducible nanostructuration of the superconducting κ-(BEDT-TTF)2Cu (NCS)2 phase
M. Revelli Beaumont, C. Faulman, D. de Caro, M. Cazayous, Y. Gallais, A. Sacuto, C. Pasquier, P. Auban Senzier, M. Monteverde, K. Jacob, L. Valade
Synthetic Metals 261, 116310 (2020).

2019

A Magnetic Phase Diagram for Nanoscale Epitaxial BiFeO3 Films
D. Sando, F. Appert, B. Xu, O. Paull, S. Burns, C.Carrétéro, B. Dupe, V. Garcia, Y. Gallais, A. Sacuto, M. Cazayous, B. Dkhil, J-M. Le Breton, A. Barthélémy, M. Bibes, L. Bellaiche, V. Nagarajan, and J. Juraszek,
Appl. Phys. Rev. 6, 041404 (2019).

Nematic fluctuations 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
Nature Communications 10, 5209 (2019).

Influence of flexoelectricity on the spin cycloid in (110)-oriented BiFeO3 films
D. Sando, F. Appert, S. R. Burns, Q. Zhang, Y. Gallais, A. Sacuto, M. Cazayous, V. Garcia, S. Fusil, C. Carrétéro, J. M. Le Breton, A. Barthélémy, M. Bibes, J. Juraszek, and V. Nagarajan
Phys. Rev. Mat. 3, 104404 (2019).

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
Materials Research Bulletin 118, 110479 (2019).

Size-dependent bistability in multiferroic nanoparticles
B. M. Allen, I. Aupiais, M. Cazayous, R. de Sousa,
Phys. Rev. Mat. 3, 084402 (2019).

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
Nature Physics 15, 771 (2019).

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 Materials, 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. Lett, 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

A ferroelectric quantum phase transition inside the superconducting dome of Sr1−xCaxTiO3−δ
C. W. Rischau, X. Lin, C. P. Grams, D. Finck, S. Harms, J. Engelmayer, T. Lorenz, Y. Gallais, B. Fauqué, J. Hemberger and K. Behnia
Nature Physics 13, 643-648 (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. 2017, 56, 9396−9399

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

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., 066805 (2016).

 

 

Thesis

The PhD theses published of the squap team are available on the link
www.dropbox.com/sh/2nwnlgjq0mbwjui/…

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Postdoc position: Integrated Quantum Optoelectronics

Postdoc position: Integrated Quantum Optoelectronics

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Sara Ducci elected Optical Fellow

Sara Ducci elected Optical Fellow

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