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Article
Open AccessSTCF conceptual design report (Volume 1): Physics & detector
The super τ-charm facility (STCF) is an electron–positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak lumino...
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Article
Open AccessFermi-level flat band in a kagome magnet
The band structure in a kagome lattice can naturally exhibit flat band, Dirac cones, and van Hove singularity, enabling rich interplays between correlation and topology. However, the flat band is rarely detect...
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Article
Open AccessDual topological states in the layered titanium-based oxypnictide superconductor BaTi2Sb2O
Topological superconductors have long been predicted to host Majorana zero modes which obey non-Abelian statistics and have potential for realizing non-decoherence topological quantum computation. However, mat...
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Article
Open AccessAntinodal kink in the band dispersion of electron-doped cuprate La2−xCexCuO4±δ
Angle-resolved photoemission spectroscopy (ARPES) measurements have established the phenomenon of kink in band dispersion of high-Tc cuprate superconductors. However, systematic studies of the kink in electron-do...
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Article
Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order
One or a few layers of van der Waals (vdW) materials are promising for applications in nanoscale electronics. Established properties include high mobility in graphene, a large direct gap in monolayer MoS2, the qu...
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Article
Study on the radon removal for the water system of Jiangmen Underground Neutrino Observatory
The Jiangmen Underground Neutrino Observatory (JUNO), a 20-kton multipurpose underground liquid scintillator detector, was proposed with the determination of the neutrino mass hierarchy as a primary physics go...
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Article
Three-component fermions with surface Fermi arcs in tungsten carbide
Topological Dirac and Weyl semimetals not only host quasiparticles analogous to the elementary fermionic particles in high-energy physics, but also have a non-trivial band topology manifested by gapless surfac...
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Article
The development of \(^{222}\hbox {Rn}\) detectors for JUNO prototype
JUNO (The Jiangmen Underground Neutrino Observatory) is a multipurpose neutrino experiment, and it has very strict requirements for the detector. According to the MC simulation for JUNO experiment requirements...
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Article
Open AccessElectronic structure of SrSn2As2 near the topological critical point
Topological materials with exotic quantum properties are promising candidates for quantum spin electronics. Different classes of topological materials, including Weyl semimetal, topological superconductor, top...
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Article
Observation of three-component fermions in the topological semimetal molybdenum phosphide
A new type of fermion, corresponding to a three-fold degeneracy in the electronic band structure of crystalline molybdenum phosphide, is observed, which lies conceptually between Dirac and Weyl fermions.
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Article
Open AccessBetulinic acid enhances TGF-β signaling by altering TGF-β receptors partitioning between lipid-raft/caveolae and non-caveolae membrane microdomains in mink lung epithelial cells
TGF-β is a key modulator in the regulation of cell proliferation and migration, and is also involved in the process of cancer development and progression. Previous studies have indicated that TGF-β responsiven...
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Article
Asymmetry of collective excitations in electron- and hole-doped cuprate superconductors
High-temperature superconductivity emerges on do** holes or electrons into antiferromagnetic copper oxides. The large energy scale of magnetic excitations, for example, compared with phonon energies, is thou...
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Article
Observation of a ubiquitous three-dimensional superconducting gap function in optimally doped Ba0.6K0.4Fe2As2
Photoemission measurements sensitive to the momentum perpendicular to the layers that make up the pnictide superconductors are able to map out a full three-dimensional superconducting gap structure.
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Article
Relationship between activities of key enzymes involved in starch synthesis and accumulation in maize inbred lines during grain filling
Time course of starch production and the key enzyme activities in the grains of four maize inbred lines (two high-starch and two low-starch lines) were studied. Accumulation of grain starch and its components ...
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Article
Study of the visible-excitation luminescence of NTA-TiO2(AB) with single-electron-trapped oxygen vacancies
A new kind of TiO2 (NTA-TiO2(AB)) with single-electron-trapped oxygen vacancies was prepared by the dehydration of nanotubed titanic acid under vacuum. Under visible-light excitation (λex=420 nm to 650 nm) NTA-Ti...
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Article
Seasonal Variation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Atmospheric PM10 of Bei**g, People’s Republic of China
No abstract available.
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Chapter and Conference Paper
Progress in Improving Jc of Long Bi(2223) Tapes by Periodic Pressing
Jc values of multifilamentary Ag-sheathed Bi(2223) up to about 35’000 A/cm2 have been achieved at 77K and in self field for lengths of several meters using an improved route: Periodic Pressing. This corresponds t...
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Chapter and Conference Paper
Development of Bi(2223) Tapes with Low AC Losses
The transverse electrical resistivity in multi-filamentary Ag/Bi,Pb(2223) tapes is considerably enhanced after introducing inert “ oxide barriers “, a new concept in which each single filament is surrounded by...
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Article
Development of Bi(2223) Multifilamentary Tapes with Low ac Losses
A significant reduction of ac losses in twisted Bi(2223) multifilamentary tapes with Ag sheaths has been achieved by using oxide (BaZrO3 and SrZrO3) barriers between filaments. These barriers have two important e...
