94 citations · 948 across the 45 of their papers we have counts for
26 papers · 1 filter
Translational symmetry breaking in the electronic nematic phase of BaFe2As2
K. Koshiishi, L. Liu, K. Okazaki +13
The microscopic origin of the nematicity, namely, four-fold rotational symmetry breaking in iron-based superconductors has been controversial since its discovery. In particular, it…
Pseudogap Suppression by Competition with Superconductivity in La-Based Cuprates
J. Küspert, 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.…
Competition between spin ordering and superconductivity near the pseudogap boundary in La2-xSrxCuO4: insights from NMR
I. Vinograd, R. Zhou, H. Mayaffre +11
When superconductivity is suppressed by high magnetic fields in La2-xSrxCuO4, striped antiferromagnetic (AFM) order becomes the magnetic ground state of the entire pseudogap regime…
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…
Uniaxial Pressure Induced Stripe Order Rotation in LaSrCuO
Qisi Wang, K. von Arx, D. G. Mazzone +19
Static stripe order is detrimental to superconductivity. Yet, it has been proposed that transverse stripe fluctuations may enhance the inter-stripe Josephson coupling and thus prom…
Evidence for a square-square vortex lattice transition in a high- cuprate superconductor
D. J. Campbell, M. Frachet, S. Benhabib +10
Using sound velocity and attenuation measurements in high magnetic fields, we identify a new transition in the vortex lattice state of LaSrCuO (LSCO). The transit…
Superconducting gap and pseudogap in the surface states of the iron-based superconductor PrFeAsO studied by angle-resolved photoemission spectroscopy
K. Hagiwara, M. Ishikado, M. Horio +12
In order to study the possible superconductivity at the polar surfaces of 1111-type iron-based superconductors, which is doped with a large amount of holes in spite of the electron…
Charge Order Lock-in by Electron-Phonon Coupling in LaEuSrCuO
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 LaEuSr$_{…
Extended superconducting dome of electron-doped cuprates after protect annealing revealed by ARPES
C. Lin, T. Adachi, M. Horio +17
The electron-doped cuprates are usually characterized by a more robust antiferromagnetic phase and a much narrower superconducting (SC) dome than those of the hole-doped counterpar…
High-Temperature Charge-Stripe Correlations in LaEuSrCuO
Qisi Wang, M. Horio, K. von Arx +24
We use resonant inelastic x-ray scattering to investigate charge-stripe correlations in LaEuSrCuO. By differentiating elastic from inelastic scatter…
Band-dependent superconducting gap in SrFe(AsP) studied by angle-resolved photoemission spectroscopy
H. Suzuki, T. Kobayashi, S. Miyasaka +12
The isovalent-substituted iron pnictide compound SrFe(AsP) exhibits multiple evidence for nodal superconductivity via various experimental probes, such as…
Decoupling of Lattice and Orbital Degrees of Freedom in an Iron-Pnictide Superconductor
Christian E. Matt, O. Ivashko, M. Horio +16
The interplay of structural and electronic phases in iron-based superconductors is a central theme in the search for the superconducting pairing mechanism. While electronic nematic…
Hidden magnetism at the pseudogap critical point of a high temperature superconductor
Mehdi Frachet, Igor Vinograd, Rui Zhou +17
The mysterious pseudogap phase of cuprate superconductors ends at a critical hole doping level p* but the nature of the ground state below p* is still debated. Here, we show that t…
Nature of carrier doping in T'-La1.8-xEu0.2SrxCuO4 studied by X-Ray Photoemission and Absorption Spectroscopy
Chun Lin, Masafumi Horio, Takayuki Kawamata +15
Recently, hole-doped superconducting cuprates with the T'-structure La1.8-xEu0.2SrxCuO4 (LESCO) have attracted a lot of attention. We have performed x-ray photoemission and absorpt…
-wave superconducting gap observed in protect-annealed electron-doped cuprate superconductors PrLaCeCuO
M. Horio, K. Koshiishi, S. Nakata +11
For electron-doped cuprates, the strong suppression of antiferromagnetic spin correlation by efficient reduction annealing by the "protect-annealing" method leads to superconductiv…
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…
Nematicity in the pseudogap state of cuprate superconductors revealed by angle-resolved photoemission spectroscopy
S. Nakata, M. Horio, K. Koshiishi +9
The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed th…
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 LaSrCuO and LaEuSrCu…
Angle-resolved photoemission spectroscopy of the low-energy electronic structure of superconducting PrCuO driven by oxygen non-stoichiometry
M. Horio, Y. Krockenberger, K. Koshiishi +8
Bulk crystals of electron-doped cuprates with the T'-type structure require both Ce substitutions and reduction annealing for the emergence of superconductivity while the reduction…
Electronic Structure of Ce-Doped and -Undoped NdCuO Superconducting Thin Films Studied by Hard X-ray Photoemission and Soft X-ray Absorption Spectroscopy
M. Horio, Y. Krockenberger, K. Yamamoto +11
In order to realize superconductivity in cuprates with the T'-type structure, not only chemical substitution (Ce doping) but also post-growth reduction annealing is necessary. In t…
Se content dependence of electron correlation strength in FeTeSe
L. C. C. Ambolode, K. Okazaki, M. Horio +13
The iron chalcogenide FeTeSe on the Te-rich side is known to exhibit the strongest electron correlations among the Fe-based superconductors, and is non-superc…
In-plane electronic anisotropy in the antiferromagnetic-orthorhombic phase of isovalent-substituted Ba(FeRu)As
L. Liu, T. Mikami, S. Ishida +17
We have studied the anisotropy in the in-plane resistivity and the electronic structure of isovalent Ru-substituted BaFeAs in the antiferromagnetic-orthorhombic phase using…
Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by "protect annealing"
M. Horio, T. Adachi, Y. Mori +17
In the hole-doped cuprates, a small amount of carriers suppresses antiferromagnetism and induces superconductivity. In the electron-doped cuprates, on the other hand, superconducti…
Fate of / orbital degeneracy and Fermi surface in Ru substituted FeSeTe
T. Sugimoto, D. Ootsuki, K. Sawada +14
We have investigated the impact of Ru substitution on the multi-band electronic structure of FeSeTe by means of angle-resolved photoemission spectroscopy (ARPES). The A…