Search Results - "Le Tacon, M."
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1
Uniaxial pressure control of competing orders in a high-temperature superconductor
Published in Science (American Association for the Advancement of Science) (30-11-2018)“…Cuprates exhibit antiferromagnetic, charge density wave (CDW), and high-temperature superconducting ground states that can be tuned by means of doping and…”
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2
Optically enhanced coherent transport in YBa2Cu3O6.5 by ultrafast redistribution of interlayer coupling
Published in Nature materials (01-07-2014)“…Nonlinear optical excitation of infrared active lattice vibrations has been shown to melt magnetic or orbital orders and to transform insulators into metals…”
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3
Re-entrant charge order in overdoped (Bi,Pb)2.12Sr1.88CuO6+δ outside the pseudogap regime
Published in Nature materials (01-08-2018)“…In the underdoped regime, the cuprate high-temperature superconductors exhibit a host of unusual collective phenomena, including unconventional spin and charge…”
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4
Charge order and its connection with Fermi-liquid charge transport in a pristine high-Tc cuprate
Published in Nature communications (19-12-2014)“…Electronic inhomogeneity appears to be an inherent characteristic of the enigmatic cuprate superconductors. Here we report the observation of…”
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5
Strange semimetal dynamics in SrIrO3
Published in Nature communications (26-08-2020)“…The interplay of electronic correlations, multi-orbital excitations, and spin-orbit coupling is a fertile ground for new states of matter in quantum materials…”
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6
Influence of apical oxygen on the extent of in-plane exchange interaction in cuprate superconductors
Published in Nature physics (01-12-2017)“…In high- T c superconductors the magnetic and electronic properties are determined by the probability that valence electrons jump virtually from site to site…”
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7
Inelastic X-ray scattering in YBa2Cu3O6.6 reveals giant phonon anomalies and elastic central peak due to charge-density-wave formation
Published in Nature physics (01-01-2014)“…The electron–phonon interaction is a major factor influencing the competition between collective instabilities in correlated-electron materials, but its role…”
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8
Flexible strained membranes of multiferroic TbMnO3
Published in Applied physics letters (01-07-2024)“…The multiferroic properties of TbMnO3 demonstrate high versatility under applied pressure, making the material potentially suitable for use in flexible…”
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9
Collective nature of spin excitations in superconducting cuprates probed by resonant inelastic X-ray scattering
Published in Physical review letters (29-05-2015)“…We used resonant inelastic x-ray scattering (RIXS) with and without analysis of the scattered photon polarization, to study dispersive spin excitations in the…”
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10
Capture of heavy hydrogen isotopes in a metal-organic framework with active Cu(I) sites
Published in Nature communications (06-03-2017)“…The production of pure deuterium and the removal of tritium from nuclear waste are the key challenges in separation of light isotopes. Presently, the…”
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11
Crossover from Collective to Incoherent Spin Excitations in Superconducting Cuprates Probed by Detuned Resonant Inelastic X-Ray Scattering
Published in Physical review letters (31-08-2017)“…Spin excitations in the overdoped high temperature superconductors Tl_{2}Ba_{2}CuO_{6+δ} and (Bi,Pb)_{2}(Sr,La)_{2}CuO_{6+δ} were investigated by resonant…”
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12
Using strain to uncover the interplay between two- and three-dimensional charge density waves in high-temperature superconducting YBa2Cu3Oy
Published in Nature communications (16-04-2024)“…Uniaxial pressure provides an efficient approach to control charge density waves in YBa 2 Cu 3 O y . It can enhance the correlation volume of ubiquitous…”
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13
Two energy scales and two distinct quasiparticle dynamics in the superconducting state of underdoped cuprates
Published in Nature physics (01-08-2006)“…The superconducting temperature Tc of hole-doped high-temperature superconductors has a dome-like shape as a function of hole concentration, with a maximum Tc…”
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14
Heat capacity on data of DSC calorimetry and thermodynamic functions of barium cerate doped by holmium and indium oxides in the temperature range of 200–700 K
Published in Journal of thermal analysis and calorimetry (01-11-2017)“…For the first time the heat capacity of BaCe 0.7 Ho 0.2 In 0.1 O 2.85 was measured in the temperature range of 200–700 K. Calorimetric experiments were…”
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15
Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x
Published in Science (American Association for the Advancement of Science) (17-08-2012)“…The concept that superconductivity competes with other orders in cuprate superconductors has become increasingly apparent, but obtaining direct evidence with…”
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16
Long-range transfer of electron–phonon coupling in oxide superlattices
Published in Nature materials (15-07-2012)“…The interaction between electrons and phonons is important for many materials properties. The finding that phonon modes of a superconducting thin film can…”
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17
Magnetotransport of SrIrO3-based heterostructures
Published in AIP advances (01-03-2022)“…Transition-metal oxide (TMO) based heterostructures provide fertile playground to explore or functionalize novel quantum materials. In this regard, the…”
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18
Elastoresistivity in the incommensurate charge density wave phase of BaNi2(As1−xPx)2
Published in npj quantum materials (09-12-2022)“…Electronic nematicity, the breaking of the crystal lattice rotational symmetry by the electronic fluid, is a fascinating quantum state of matter. In this work,…”
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19
Understanding the complex phase diagram of uranium: the role of electron-phonon coupling
Published in Physical review letters (21-09-2011)“…We report an experimental determination of the dispersion of the soft phonon mode along [100] in uranium as a function of pressure. The energies of these…”
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Normal-state charge transport in YBa2Cu3O6.67 under uniaxial stress
Published in npj quantum materials (20-12-2022)“…To provide a foundation for theoretical models of high-temperature superconductivity, experimental research has sought to establish correspondences between…”
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