29 Result(s)
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Article
Suppressing interfacial structure failure of Ni-rich cathode materials under high work voltage towards improved cycling stability enabled via Li2MnO3-based surface construction
In the present study, an ammonia complexation-oxidation-homogeneous precipitation-assisted high-temperature solid phase approach was used to constructing evenly connected Li2MnO3 surface on LiNi0.8Co0.1Mn0.09Al0....
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Article
Ferroelectric-defined reconfigurable homojunctions for in-memory sensing and computing
Recently, the increasing demand for data-centric applications is driving the elimination of image sensing, memory and computing unit interface, thus promising for latency- and energy-strict applications. Altho...
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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
Amorphous nickel hydroxide shell tailors local chemical environment on platinum surface for alkaline hydrogen evolution reaction
In analogy to natural enzymes, an elaborated design of catalytic systems with a specifically tailored local chemical environment could substantially improve reaction kinetics, effectively combat catalyst poiso...
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Article
Itinerant to relocalized transition of f electrons in the Kondo insulator CeRu4Sn6
The three-dimensional electronic structure and the nature of Ce 4f electrons of the Kondo insulator CeRu4Sn6 are investigated by angle-resolved photoemission spectroscopy, utilizing tunable photon energies. Our r...
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Article
An Organic Small Molecule as a Solid Additive in Non-Fullerene Organic Solar Cells with Improved Efficiency and Operational Stability
The use of additive is an effective approach to optimize the active layer morphology and improve the power conversion efficiency (PCE) of organic solar cells (OSCs). However, residual solvent additives always ...
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Article
Suppressing the Mn dissolution in LiMn2O4 positive materials toward long-life lithium ion battery through Gd2O3 surface modification
As one of the most potential positive materials for cobalt-free lithium ion batteries, the lithium manganate cathode materials are extremely attractive because of their low-cost and low toxicity compared to ot...
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Article
Attenuation of electromagnetic waves in an unmagnetized collisionless plasma by particle-in-cell method
By using particle-in-cell (PIC) simulation method, the evolution of electromagnetic wave (EMW) through an unmagnetized collisionless cold plasma is presented. The effect of plasma sizes on the attenuation rate...
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Article
Two-dimensional van der Waals thin film transistors as active matrix for spatially resolved pressure sensing
The development of pressure sensor arrays capable of distinguishing the shape and texture details of objects is of considerable interest in the emerging fields of smart robots, prostheses, human-machine interf...
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Article
High Strength Electrospun Single Copolyacrylonitrile (coPAN) Nanofibers with Improved Molecular Orientation by Drawing
High-performance carbon nanofibers are highly dependent on the performance of their precursors, especially polyacrylonitrile (PAN). In this work, the copolymer of PAN (coPAN) was synthesized for electrospinnin...
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Article
A chemically stable nanoporous coordination polymer with fixed and free Cu2+ ions for boosted C2H2/CO2 separation
Safely and highly selective acetylene (C2H2) capture is a great challenge, because of its highly explosive nature, as well as its nearly similar molecule size and boiling point toward the main impurity of carbon ...
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Article
Spray drying–assisted recycling of spent LiFePO4 for synthesizing hollow spherical LiFePO4/C
With the booming of new energy storage and power battery industries, sustainable recycling of retired lithium batteries has become an urgent issue in today’s society. This work develops a spray drying–assisted...
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Article
Open AccessKondo scenario of the γ–α phase transition in single crystalline cerium thin films
The physical mechanism driving the γ–α phase transition of face-centre-cubic (fcc) cerium (Ce) remains controversial until now. In this work, high-quality single crystalline fcc–Ce thin films were grown on Graphe...
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Article
Development of an MKIDs-Based THz Superconducting Imaging Array (TeSIA) at 0.85 THz
Dome A, the highest point of the cold and dry Antarctic ice sheet, offers the best access to atmospheric windows at THz/FIR wavelengths on Earth. China is planning to build a 5-m THz telescope (DATE5) there. T...
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Article
Enolic Schiff Base Zinc Amide Complexes: Highly Active Catalysts for Ring-Opening Polymerization of Lactide and ε-Caprolactone
A series of zinc silylamido complexes based upon NNO tridentate enolic Schiff base framework have been synthesized and characterized. These complexes were tested for the ring opening polymerization of lactide and...
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Article
Electronic and optical properties of single-layer MoS2
The electronic structures of a MoS2 monolayer are investigated with the all-electron first principle calculations based on the density functional theory (DFT) and the spin-orbital couplings (SOCs). Our results sh...
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Article
Electron drift velocity and mobility in graphene
We present a theoretical study of the electric transport properties of graphene-substrate systems. The drift velocity, mobility, and temperature of the electrons are self-consistently determined using the Bolt...
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Article
Characterization of the globular oxide inclusion ratings in steel using laser-induced breakdown spectroscopy
Grade assessment of steel is generally performed via the metallographic method, which is timeconsuming and is not able to provide the elemental distribution information. In this paper, we present a method to m...
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Article
Rapid fabrication of cylindrical microlens array by shaped femtosecond laser direct writing
In this study, a remarkable spatial sha** approach is proposed to transform Gaussian femtosecond laser into quasi-Bessel optical field with compressed central lobe and amplified side lobes of the spatial in...
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Article
Synthesis and characterization of D-/L-methionine grafted PEDOTs for selective recognition of 3,4-dihydroxyphenylalanine enantiomers
Two pairs of amino-acid functionalized poly(3,4-ethylenedioxythiophene) (PEDOT) derivatives, namely, poly(N-(tert-butoxycarbonyl)-L-methionyl (3,4-ethylenedioxythiophene-2’-yl)methylamide) (L-PEDOT-Boc-Met) and p...
