Search Results - "Pyon, S."
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Zero-energy vortex bound state in the superconducting topological surface state of Fe(Se,Te)
Published in Nature materials (01-08-2019)“…Majorana quasiparticles in condensed matter are important for topological quantum computing 1 – 3 , but remain elusive. Vortex cores of topological…”
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Chiral phonons in the pseudogap phase of cuprates
Published in Nature physics (01-11-2020)“…The nature of the pseudogap phase of cuprates remains a major puzzle 1 , 2 . One of its signatures is a large negative thermal Hall conductivity 3 , whose…”
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3
Giant thermal Hall conductivity in the pseudogap phase of cuprate superconductors
Published in Nature (London) (01-07-2019)“…The nature of the pseudogap phase of the copper oxides (‘cuprates’) remains a puzzle. Although there are indications that this phase breaks various symmetries,…”
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4
Thermodynamic signatures of quantum criticality in cuprate superconductors
Published in Nature (London) (01-03-2019)“…The three central phenomena of cuprate (copper oxide) superconductors are linked by a common doping level p* —at which the enigmatic pseudogap phase ends and…”
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5
Light-Induced Superconductivity in a Stripe-Ordered Cuprate
Published in Science (American Association for the Advancement of Science) (14-01-2011)“…One of the most intriguing features of some high-temperature cuprate superconductors is the interplay between one-dimensional "striped" spin order and charge…”
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Pseudogap temperature T of cuprate superconductors from the Nernst effect
Published in Physical review. B, Condensed matter and materials physics (01-02-2018)“…We use the Nernst effect to delineate the boundary of the pseudogap phase in the temperature-doping phase diagram of hole-doped cuprate superconductors. New…”
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7
Direct observation of orbital hybridisation in a cuprate superconductor
Published in Nature communications (06-03-2018)“…The minimal ingredients to explain the essential physics of layered copper-oxide (cuprates) materials remains heavily debated. Effective low-energy single-band…”
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8
Optical excitation of Josephson plasma solitons in a cuprate superconductor
Published in Nature materials (01-06-2013)“…Josephson plasma waves are linear electromagnetic modes that propagate along the planes of cuprate superconductors, sustained by interlayer tunnelling…”
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Fermi-surface reconstruction by stripe order in cuprate superconductors
Published in Nature communications (16-08-2011)“…The origin of pairing in a superconductor resides in the underlying normal state. In the cuprate high-temperature superconductor YBa 2 Cu 3 O y (YBCO),…”
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10
Bi-directional ultrafast electric-field gating of interlayer charge transport in a cuprate superconductor
Published in Nature photonics (01-08-2011)“…In cuprate superconductors, tunnelling between planes makes three-dimensional superconductive transport possible. However, the interlayer tunnelling amplitude…”
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11
Three-Dimensional Fermi Surface of Overdoped La-Based Cuprates
Published in Physical review letters (17-08-2018)“…We present a soft x-ray angle-resolved photoemission spectroscopy study of overdoped high-temperature superconductors. In-plane and out-of-plane components of…”
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Trapping a magnetic field of 7.9 T using a bulk magnet fabricated from stack of coated conductors
Published in Physica. C, Superconductivity (15-11-2016)“…•A bulk magnet is fabricated using double stack of coated conductors (CC).•Magneto-optical imaging of the CC confirmed its homogeneity.•The fabricated bulk…”
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Fabrication of Small Magnets Using Mono- and Seven-Core (Ba,A)Fe2As2 (A: K, Na) HIP Round Wires
Published in IEEE transactions on applied superconductivity (01-08-2023)“…Small magnets using 18-m class mono-core (Ba,Na)Fe 2 As 2 and seven-core (Ba,K)Fe 2 As 2 round wires were constructed. Wires used in these magnets were…”
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14
Decrease of upper critical field with underdoping in cuprate superconductors
Published in Nature physics (01-10-2012)“…It is still unclear why the transition temperature T c of cuprate superconductors falls with underdoping. The doping dependence of the critical magnetic field…”
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15
An Alternative to Dye-Based Approaches to Remove Background Autofluorescence From Primate Brain Tissue
Published in Frontiers in neuroanatomy (18-07-2019)“…Brain tissue contains autofluorescing elements that potentially impede accurate identification of neurons when visualized with fluorescent microscopy…”
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Critical Current Density and Vortex Dynamics in Fe(Te,Se) Annealed in Various Atmosphere
Published in IEEE transactions on applied superconductivity (01-04-2016)“…As-grown crystals of Fe(Te,Se) do not show bulk superconductivity due to the presence of excess irons. Annealing in an appropriate atmosphere can remove…”
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Planar Thermal Hall Effect from Phonons in Cuprates
Published in Physical review. X (11-10-2024)“…A surprising “planar” thermal Hall effect, whereby the field is parallel to the current, has recently been observed in a few magnetic insulators; this effect…”
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Visualization of the magnetic flux structure in phosphorus-doped EuFe2As2 single crystals
Published in JETP letters (2017)“…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…”
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Charge-Stripe Order and Superconductivity in Ir1−xPtxTe2
Published in Scientific reports (07-12-2017)“…A combined resistivity and hard x-ray diffraction study of superconductivity and charge ordering in Ir Ir 1−x Pt x Te 2 , as a function of Pt substitution and…”
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Effects of heavy-ion irradiations in K-doped BaFe2As2
Published in Physica. C, Superconductivity (15-11-2015)“…•Effects of columnar defects introduced by heavy-ion irradiations in (Ba0.6K0.4)Fe2As2 are investigated.•Tc is only weakly suppressed by heavy-ion irradiation…”
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