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Publications (34)

cond-mat.supr-con2017

Direct Evidence of Spontaneous Abrikosov Vortex State in Ferromagnetic Superconductor EuFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$ with $x = 0.21$

L. Ya. Vinnikov, I. S. Veshchunov, S. Yu. Grebenchuk +14

Using low-temperature Magnetic Force Microscopy (MFM) we provide direct experimental evidence for spontaneous vortex phase (SVP) formation in EuFe $_{2}$ (As $_{0.79}$ P $_{0.21}$ ) $_{2}$ si…

cond-mat.str-el2023

Planar thermal Hall effect from phonons in cuprates

Lu Chen, LÃ©na Le Roux, GaÃ«l Grissonnanche +11

A surprising "planar" thermal Hall effect, whereby the field is parallel to the current, has recently been observed in a few magnetic insulators, and this has been attributed to ex…

cond-mat.supr-con2018

Direct Observation of Orbital Hybridisation in a Cuprate Superconductor

Christian E. Matt, D. Sutter, A. M. Cook +23

The minimal ingredients to explain the essential physics of layered copper-oxide (cuprates= materials remains heavily debated. Effective low energy single-band models of the copper…

cond-mat.supr-con2014

Important Roles of Te 5p and Ir 5d Spin-orbit Interactions on the Multi-band Electronic Structure of Triangular Lattice Superconductor Ir1-xPtxTe2

D. Ootsuki, T. Toriyama, M. Kobayashi +15

We report an angle-resolved photoemission spectroscopy (ARPES) study on a triangular lattice superconductor Ir $_{1 - x}$ Pt $_{x}$ Te $_{2}$ in which the Ir-Ir or Te-Te bond formation, the…

cond-mat.supr-con2018

Zero-energy vortex bound state in the superconducting topological surface state of Fe(Se,Te)

T. Machida, Y. Sun, S. Pyon +5

Majorana quasiparticles (MQPs) in condensed matter play an important role in strategies for topological quantum computing but still remain elusive. Vortex cores of topological supe…

cond-mat.supr-con2014

Superconductivity in Noncentrosymmetric Iridium Silicide Li2IrSi3

S. Pyon, K. Kudo, J. Matsumura +9

The effects of lithium absorption on the crystal structure and electronic properties of IrSi3, a binary silicide with a noncentrosymmetric crystal structure, were studied. X-ray an…

cond-mat.supr-con2013

Flux avalanches in Nb superconducting shifted strip arrays

Y. Tsuchiya, Y. Mawatari, J. Ibuka +6

Flux penetrations into three-dimensional Nb superconducting strip arrays, where two layers of strip arrays are stacked by shifting a half period, are studied using a magneto-optica…

cond-mat.supr-con2009

Enhancement of the Nernst effect by stripe order in a high-Tc superconductor

Olivier Cyr-Choiniere, R. Daou, Francis Laliberte +12

The Nernst effect in metals is highly sensitive to two kinds of phase transition: superconductivity and density-wave order. The large positive Nernst signal observed in hole-doped…

cond-mat.str-el2026

Strain-tunable charge localization coupled to complex magnetic orders in EuAl $_{4}$

M. Baumgartner, Xunyang Hong, Tianren Wang +19

Charge localization is particularly interesting when coupled to antiferromagnetic spin structures. Coupled spin-charge orders are well established in elemental chromium and correla…

cond-mat.supr-con2017

Visualization of Magnetic Flux Structure in Phosphorus-Doped EuFe $_{2}$ As $_{2}$ Single Crystals

I. S. Veshchunov, L. Ya. Vinnikov, V. S. Stolyarov +12

Magnetic flux structure on the surface of EuFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$ single crystals with nearly optimal phosphorus doping levels $x = 0.20$ , and $x = 0.21$ is studied by low-…

cond-mat.supr-con2018

Thermodynamic signatures of quantum criticality in cuprates

B. Michon, C. Girod, S. Badoux +14

The three central phenomena of cuprate superconductors are linked by a common doping $p^{⋆}$ , where the enigmatic pseudogap phase ends, around which the superconducting phase f…

cond-mat.supr-con2025

Spin-stripe order tied to the pseudogap phase in La1.8-xEu0.2SrxCuO4

A. Missiaen, H. Mayaffre, S. KrÃ¤mer +9

Although spin and charge stripes in high-Tc cuprates have been extensively studied, the exact range of carrier concentration over which they form a static order remains uncertain,…

cond-mat.supr-con2013

Electronic structure reconstruction by orbital symmetry breaking in IrTe2

D. Ootsuki, S. Pyon, K. Kudo +10

We report an angle-resolved photoemission spectroscopy (ARPES) study on IrTe2 which exhibits an interesting lattice distortion below 270 K and becomes triangular lattice supercondu…

cond-mat.str-el2013

Phase diagram and optical conductivity of La1.8-xEu0.2SrxCuO4

M. Autore, P. Di Pietro, P. Calvani +5

La1.8-xEu0.2SrxCuO4 (LESCO) is the member of the 214 family which exhibits the largest intervals among the structural, charge ordering (CO), magnetic, and superconducting transitio…

cond-mat.supr-con2018

Pseudogap temperature $T^{⋆}$ of cuprate superconductors from the Nernst effect

O. Cyr-ChoiniÃ¨re, R. Daou, F. LalibertÃ© +17

We use the Nernst effect to delineate the boundary of the pseudogap phase in the temperature-doping phase diagram of cuprate superconductors. New data for the Nernst coefficient $Î…

cond-mat.supr-con2012

Orbital Degeneracy and Peierls Instability in Triangular Lattice Superconductor Ir $_{1 - x}$ Pt $_{x}$ Te $_{2}$

D. Ootsuki, Y. Wakisaka, S. Pyon +8

We have studied electronic structure of triangular lattice Ir $_{1 - x}$ Pt $_{x}$ Te $_{2}$ superconductor using photoemission spectroscopy and model calculations. Ir $4 f$ core-level photoem…

cond-mat.supr-con2011

Bi-directional ultrafast electric-field gating of interlayer transport in a cuprate superconductor

A. Dienst, M. C. Hoffmann, D. Fausti +5

In cuprate superconductors, tunneling between planes makes possible three-dimensional coherent transport. However, the interlayer tunnelling amplitude is reduced when an order-para…

cond-mat.supr-con2020

Phonons become chiral in the pseudogap phase of cuprates

G. Grissonnanche, S. ThÃ©riault, A. Gourgout +11

The nature of the pseudogap phase of cuprates remains a major puzzle. One of its new signatures is a large negative thermal Hall conductivity $I^º_{xy}$ , which appears for dopin…

cond-mat.supr-con2013

Te 5p orbitals bring three-dimensional electronic structure to two-dimensional Ir0.95Pt0.05Te2

D. Ootsuki, T. Toriyama, M. Kobayashi +13

We have studied the nature of the three-dimensional multi-band electronic structure in the twodimensional triangular lattice Ir1-xPtxTe2 (x=0.05) superconductor using angle-resolve…

cond-mat.supr-con2012

Decrease of upper critical field with underdoping in cuprate superconductors

J. Chang, N. Doiron-Leyraud, O. Cyr-ChoiniÃ¨re +8

The transition temperature Tc of cuprate superconductors falls when the doping p is reduced below a certain optimal value. It is unclear whether this fall is due to strong phase fl…

cond-mat.supr-con2019

Band Structure of Overdoped Cuprate Superconductors: Density Functional Theory Matching Experiments

K. P. Kramer, M. Horio, S. S. Tsirkin +25

A comprehensive angle resolved photoemission spectroscopy study of the band structure in single layer cuprates is presented with the aim of uncovering universal trends across diffe…

cond-mat.supr-con2022

Pseudogap Suppression by Competition with Superconductivity in La-Based Cuprates

J. KÃ¼spert, R. Cohn Wagner, C. Lin +23

We have carried out a comprehensive high-resolution angle-resolved photoemission spectroscopy (ARPES) study of the pseudogap interplay with superconductivity in La-based cuprates.…

cond-mat.supr-con2022

Fate of charge order in overdoped La-based cuprates

K. von Arx, Qisi Wang, S. Mustafi +18

In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively…

cond-mat.supr-con2012

Angular Dependent Spectral-Weight Transfer and Evidence for Symmetry Broken In-Plane Charge Response in Ca $_{1.9}$ Na $_{0.1}$ CuO $_{2}$ Cl $_{2}$

R. Schuster, S. Pyon, M. Knupfer +4

We report about the energy and momentum dependent charge response in Ca $_{1.9}$ Na $_{0.1}$ CuO $_{2}$ Cl $_{2}$ employing electron energy-loss spectroscopy. Along the diagonal of the Brillo…

cond-mat.str-el2014

Bond-Order and the Role of Ligand States in Stripe-Modulated IrTe2

K. Takubo, R. Comin, D. Ootsuki +14

The coupled electronic-structural modulations of the ligand states in IrTe $_{2}$ have been studied by x-ray absorption spectroscopy (XAS) and resonant elastic x-ray scattering (REXS)…

cond-mat.supr-con2018

Three-Dimensional Fermi Surface of Overdoped La-Based Cuprates

M. Horio, K. Hauser, Y. Sassa +24

We present a soft x-ray angle-resolved photoemission spectroscopy study of the overdoped high-temperature superconductors La $_{2 - x}$ Sr $_{x}$ CuO $_{4}$ and La $_{1.8 - x}$ Eu $_{0.2}$ Sr $_{x}$ Cu…

cond-mat.str-el2021

Domain dependent Fermi arcs observed in a striped phase dichalcogenide

T. Mizokawa, A. Barinov, V. Kandyba +11

Angle-resolved photoemission spectromicroscopy on IrTe2 reveals evolution of mesoscopic striped domains across its first order phase transition at about 280 K. The striped texture…

cond-mat.supr-con2020

Effect of pressure on the pseudogap and charge-density-wave phases of the cuprate La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ probed by thermopower measurements

A. Gourgout, A. Ataei, M. -E. Boulanger +9

We report thermopower measurements under hydrostatic pressure on the cuprate superconductor La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ (Nd-LSCO), at low-temperature in the normal state ac…

cond-mat.supr-con2015

Electron scattering, charge order, and pseudogap physics in La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ : An angle resolved photoemission spectroscopy study

Christian E. Matt, Claudia G. Fatuzzo, Y. Sassa +27

We report an angle-resolved photoemission study of the charge stripe ordered La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ system. A comparative and quantitative line shape analysis is prese…

cond-mat.supr-con2020

High-Temperature Charge-Stripe Correlations in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$

Qisi Wang, M. Horio, K. von Arx +24

We use resonant inelastic x-ray scattering to investigate charge-stripe correlations in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$ . By differentiating elastic from inelastic scatter…

cond-mat.supr-con2025

Observation of collective charge excitations in a cuprate superconductor

Xunyang Hong, Yujie Yan, L. Martinelli +12

Emergent symmetry breakings in condensed matter systems are often intimately linked to collective excitations. For example, the intertwined spin-charge stripe order in cuprate supe…

cond-mat.supr-con2020

Charge Order Lock-in by Electron-Phonon Coupling in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$

Qisi Wang, K. von Arx, M. Horio +11

We report an ultrahigh resolution resonant inelastic x-ray scattering (RIXS) study of the in-plane bond-stretching phonon mode in stripe-ordered cuprate La $_{1.675}$ Eu $_{0.2}$ Sr$_{…

cond-mat.supr-con2011

Fermi-surface reconstruction by stripe order in cuprate superconductors

F. Laliberte, J. Chang, N. Doiron-Leyraud +15

Quantum oscillations have revealed the presence of a small pocket in the Fermi surface of the cuprate superconductor YBCO, whose nature and origin are the subject of much debate. I…

cond-mat.supr-con2017

Charge-Stripe Order and Superconductivity in $I r_{1 - x} P t_{x} T e_{2}$

O. Ivashko, L. Yang, D. Destraz +14

A combined resistivity and hard x-ray diffraction study of superconductivity and charge ordering in $I r_{1 - x} P t_{x} T e_{2}$ , as a function of Pt substitution and externally app…

Publications (34)

Direct Evidence of Spontaneous Abrikosov Vortex State in Ferromagnetic Superconductor EuFe2​(As1−x​Px​)2​ with x=0.21

Planar thermal Hall effect from phonons in cuprates

Direct Observation of Orbital Hybridisation in a Cuprate Superconductor

Important Roles of Te 5p and Ir 5d Spin-orbit Interactions on the Multi-band Electronic Structure of Triangular Lattice Superconductor Ir1-xPtxTe2

Zero-energy vortex bound state in the superconducting topological surface state of Fe(Se,Te)

Superconductivity in Noncentrosymmetric Iridium Silicide Li2IrSi3

Flux avalanches in Nb superconducting shifted strip arrays

Enhancement of the Nernst effect by stripe order in a high-Tc superconductor

Strain-tunable charge localization coupled to complex magnetic orders in EuAl4​

Visualization of Magnetic Flux Structure in Phosphorus-Doped EuFe2​As2​ Single Crystals

Thermodynamic signatures of quantum criticality in cuprates

Spin-stripe order tied to the pseudogap phase in La1.8-xEu0.2SrxCuO4

Electronic structure reconstruction by orbital symmetry breaking in IrTe2

Phase diagram and optical conductivity of La1.8-xEu0.2SrxCuO4

Pseudogap temperature T⋆ of cuprate superconductors from the Nernst effect

Orbital Degeneracy and Peierls Instability in Triangular Lattice Superconductor Ir1−x​Ptx​Te2​

Bi-directional ultrafast electric-field gating of interlayer transport in a cuprate superconductor

Phonons become chiral in the pseudogap phase of cuprates

Te 5p orbitals bring three-dimensional electronic structure to two-dimensional Ir0.95Pt0.05Te2

Decrease of upper critical field with underdoping in cuprate superconductors

Band Structure of Overdoped Cuprate Superconductors: Density Functional Theory Matching Experiments

Pseudogap Suppression by Competition with Superconductivity in La-Based Cuprates

Fate of charge order in overdoped La-based cuprates

Angular Dependent Spectral-Weight Transfer and Evidence for Symmetry Broken In-Plane Charge Response in Ca1.9​Na0.1​CuO2​Cl2​

Bond-Order and the Role of Ligand States in Stripe-Modulated IrTe2

Three-Dimensional Fermi Surface of Overdoped La-Based Cuprates

Domain dependent Fermi arcs observed in a striped phase dichalcogenide

Effect of pressure on the pseudogap and charge-density-wave phases of the cuprate La1.6−x​Nd0.4​Srx​CuO4​ probed by thermopower measurements

Electron scattering, charge order, and pseudogap physics in La1.6−x​Nd0.4​Srx​CuO4​: An angle resolved photoemission spectroscopy study

High-Temperature Charge-Stripe Correlations in La1.675​Eu0.2​Sr0.125​CuO4​

Observation of collective charge excitations in a cuprate superconductor

Charge Order Lock-in by Electron-Phonon Coupling in La1.675​Eu0.2​Sr0.125​CuO4​

Fermi-surface reconstruction by stripe order in cuprate superconductors

Charge-Stripe Order and Superconductivity in Ir1−x​Ptx​Te2​

Direct Evidence of Spontaneous Abrikosov Vortex State in Ferromagnetic Superconductor EuFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$ with $x = 0.21$

Strain-tunable charge localization coupled to complex magnetic orders in EuAl $_{4}$

Visualization of Magnetic Flux Structure in Phosphorus-Doped EuFe $_{2}$ As $_{2}$ Single Crystals

Pseudogap temperature $T^{⋆}$ of cuprate superconductors from the Nernst effect

Orbital Degeneracy and Peierls Instability in Triangular Lattice Superconductor Ir $_{1 - x}$ Pt $_{x}$ Te $_{2}$

Angular Dependent Spectral-Weight Transfer and Evidence for Symmetry Broken In-Plane Charge Response in Ca $_{1.9}$ Na $_{0.1}$ CuO $_{2}$ Cl $_{2}$

Effect of pressure on the pseudogap and charge-density-wave phases of the cuprate La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ probed by thermopower measurements

Electron scattering, charge order, and pseudogap physics in La $_{1.6 - x}$ Nd $_{0.4}$ Sr $_{x}$ CuO $_{4}$ : An angle resolved photoemission spectroscopy study

High-Temperature Charge-Stripe Correlations in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$

Charge Order Lock-in by Electron-Phonon Coupling in La $_{1.675}$ Eu $_{0.2}$ Sr $_{0.125}$ CuO $_{4}$

Charge-Stripe Order and Superconductivity in $I r_{1 - x} P t_{x} T e_{2}$