616 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP60 papers
- The University of OsakaJP26 papers
- Brookhaven National LaboratoryUS20 papers
- Stanford UniversityUS18 papers
- Lawrence Berkeley National LaboratoryUS14 papers
- Princeton UniversityUS14 papers
- Japan Atomic Energy AgencyJP13 papers
- Leibniz Institute for Solid State and Materials ResearchDE13 papers
- University of California San DiegoUS13 papers
- Canadian Institute for Advanced ResearchCA12 papers
- Centre National de la Recherche ScientifiqueFR12 papers
- Japan Science and Technology AgencyJP12 papers
161 papers · 1 filter
Evolution of Critical Current Density in CaKFeAs with La-doping
Yangsong Chen, Chunlei Wang, Yuhang Zu +4
Single crystals of (CaLa)KFeAs (0 <= x <=0.16) have been grown by using the self-flux method, and the evolution of physical properties including the critical cu…
Crossover between Anomalous Peak Effects Induced by Splayed and Tilted Columnar Defects in BaKFeAs
Kanta Kato, Ryosuke Sakagami, Satoru Okayasu +2
We investigated the magnetic field dependence of the critical current density (Jc) in Ba0.6K0.4Fe2As2 with various configurations of columnar defects (CDs) introduced by 2.6 GeV U…
Peak Effects Induced by Particle Irradiations in 2H-NbSe2
Wenjie Li, Sunseng Pyon, Akiyoshi Yagi +5
Various peak effects in 2H-NbSe2 single crystals induced by particle irradiations were studied. 3 MeV proton irradiation magnified the peak effect induced by order-disorder transit…
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…
Suppression of Superconductivity in Heavy-ion Irradiated 2H-NbSe2 Caused by Negative Pressure
Wenjie Li, Sunseng Pyon, Ataru Ichinose +2
Effects of columnar defects created by 320 MeV Au irradiation on 2H-NbSe2 single crystals with a dose equivalent matching field up to 16 T were studied. Critical temperature is fou…
The spectral weight of hole doped cuprates across the pseudogap critical point
B. Michon, A. B. Kuzmenko, M. K. Tran +5
One of the most widely discussed features of the cuprate high Tc superconductors is the presence of a pseudogap in the normal state. Recent transport and specific heat measurements…
Quantum fluctuations of charge order induce phonon softening in a superconducting cuprate
H. Y. Huang, A. Singh, C. Y. Mou +13
Quantum phase transitions play an important role in shaping the phase diagram of high-temperature cuprate superconductors. These cuprates possess intertwined orders which interact…
Sulfur-induced magnetism in FeSeS thin films on LaAlO revealed by muon spin rotation/relaxation
F. Nabeshima, Y. Kawai, N. Shikama +8
Muon spin rotation/relaxation measurements were performed to investigate magnetic properties of FeSeS thin films on LaAlO. A drastic decrease of the initial asymmet…
Dynamic electron correlations with charge order wavelength along all directions in the copper oxide plane
F. Boschini, M. Minola, R. Sutarto +18
In strongly correlated systems the strength of Coulomb interactions between electrons, relative to their kinetic energy, plays a central role in determining their emergent quantum…
Normal state specific heat in the cuprates LaSrCuO and BiSrLaCuO near the critical point of the pseudogap phase
C. Girod, D. LeBoeuf, A. Demuer +17
The specific heat of the cuprate superconductors LaSrCuO and BiSrLaCuO was measured at low temperature (down to ), fo…
Calculation of an enhanced A1g symmetry mode induced by Higgs oscillations in the Raman spectrum of high-temperature cuprate superconductors
M. Puviani, A. Baum, S. Ono +3
In superconductors the Anderson-Higgs mechanism allows for the existence of a collective amplitude (Higgs) mode which can couple to eV-light mainly in a non-linear Raman-like proce…
Transport signatures of the pseudogap critical point in the cuprate superconductor BiSrLaCuO
M. Lizaire, A. Legros, A. Gourgout +16
Five transport coefficients of the cuprate superconductor BiSrLaCuO were measured in the normal state down to low temperature, reached by applying a magneti…
Anisotropic physical properties and large critical current density in KCaFeAsF single crystal
Sunseng Pyon, Yuto Kobayashi, Ayumu Takahashi +7
We present a systematic study of electrical resistivity, Hall coefficient, magneto-optical imaging, magnetization, and STEM analyses of KCaFeAsF single crys…
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…
Large and significantly anisotropic critical current density induced by planar defects in CaKFe4As4 single crystals
Sunseng Pyon, Ayumu Takahashi, Ivan Veshchunov +8
Three independent components of critical current density, one for the H//c axis and the other two for the H//ab plane, have been studied in CaKFe4As4 single crystals. When the magn…
Giant thermal Hall conductivity from neutral excitations in the pseudogap phase of cuprates
Gaël Grissonnanche, Anaëlle Legros, Sven Badoux +12
The nature of the pseudogap phase of cuprates remains a major puzzle. Although there are indications that this phase breaks various symmetries, there is no consensus on its fundame…
Superconductivity at 38 K in an electrochemical interface between ionic liquid and Fe(Se0.8Te0.2) on various substrates
Shunsuke Kouno, Yohei Sato, Yumiko Katayama +6
Superconducting FeSe0.8Te0.2 thin films on SrTiO3, LaAlO3 and CaF2 substrates were electrochemically etched in an ionic liquid DEME-TFSI electrolyte with a gate bias of 5 V. Superc…
Effects of heavy-ion irradiation on FeSe
Yue Sun, Akiyoshi Park, Sunseng Pyon +3
We report the effects of heavy-ion irradiation on FeSe single crystals by irradiating Uranium up to a dose equivalent matching field of = 16 T. Almost continuous columnar def…
Hall-plot of the phase diagram for Ba(Fe1-xCox)2As2
Kazumasa Iida, Vadim Grinenko, Fritz Kurth +16
The Hall effect is a powerful tool for investigating carrier type and density. For single-band materials, the Hall coefficient is traditionally expressed simply by …
Influence of substrate type on transport properties of superconducting FeSe0.5Te0.5 thin films
Feifei Yuan, Kazumasa Iida, Marco Langer +8
FeSe0.5Te0.5 thin films were grown by pulsed laser deposition on CaF2, LaAlO3 and MgO substrates and structurally and electro-magnetically characterized in order to study the influ…
Highly textured oxypnictide superconducting thin films on metal substrates
Kazumasa Iida, Fritz Kurth, Masashi Chihara +9
Highly textured NdFeAs(O,F) thin films have been grown on ion beam assisted deposition (IBAD)-MgO/Y2O3/Hastelloy substrates by molecular beam epitaxy. The oxypnictide coated conduc…
Ubiquitous Interplay between Charge Ordering and High-Temperature Superconductivity in Cuprates
Eduardo H. da Silva Neto, Pegor Aynajian, Alex Frano +11
Besides superconductivity, copper-oxide high temperature superconductors are susceptible to other types of ordering. We use scanning tunneling microscopy and resonant elastic x-ray…
Enhancement of the Superconducting Transition Temperature in FeSe Epitaxial Thin Films by Anisotropic Compression
Fuyuki Nabeshima, Yoshinori Imai, Masafumi Hanawa +2
In order to investigate the effects of in-plane strain on the superconductivity of FeSe, epitaxial thin films of FeSe were fabricated on CaF substrates. The films are compresse…
Oxypnictide SmFeAs(O,F) superconductor: a candidate for high-field magnet applications
Kazumasa Iida, Jens Haenisch, Chiara Tarantini +10
The recently discovered oxypnictide superconductor SmFeAs(O,F) is the most attractive material among the Fe-based superconductors due to its highest transition temperature of 56 K…