71 Result(s)
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Article
Assembly of highly ordered 2D arrays of silver-PNIPAM hybrid microgels
A strategy was developed for the synthesis of highly ordered 2D arrays of Ag-PNIPAM hybrid microgel. The highly ordered 2D arrays of PNIPAM microgel were prepared by dispersing PNIPAM microgel on a charge-reve...
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Article
Polyurethanes made from bile acids
New polyurethanes based on bile acids were synthesized from alcohol derivatives of cholic and lithocholic acids and hexamethylene diisocyanate, in an effort to improve the biocompatibility and biodegradability...
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Article
Subloop Magnetic Moment Reversal-Induced Recovery Effect in Exchange-Biased IrMn/Pt/Co/Pt Multilayers
For perpendicular exchange-biased IrMn/Pt/ Co/Pt multilayers with bidomain state, double hysteresis loops (DHLs) are achieved. It is found that exchange bias field and coercivity in full loop and two subloops’...
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Article
Observation of a robust zero-energy bound state in iron-based superconductor Fe(Te,Se)
The symmetry of Cooper pairs in iron-based superconductors is an issue under continued investigation. A scanning tunnelling study of Fe(Te,Se) reveals a robust zero-energy bound state, providing evidence for a...
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Article
The Study of Purity Improvement on Tl-1223 Thin Films by DC Sputtering and Post-annealing Method
Un-substituted TlBa2Ca2Cu3O x (Tl-1223)-superconducting thin films have been fabricated on a LaAlO3 (001) substrate in oxygen by using a two-step method, which includes direct c...
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Article
Dynamics and transmission of single two-level atom in an optomechanical system
Cavity optomechanics studies the coupling between a mechanical oscillator and an electromagnetic field in a cavity. We report on the cavity optomechanical system in which a field of single mode, an arbitrary s...
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Article
Structure and magnetic properties of the Co x Pt100−x nanowire arrays
Co–Pt alloy nanowires with different components have been successfully fabricated by alternating current (AC) electro-deposition into the nanopores of the anodic aluminum oxide (AAO) template. SEM and TEM imag...
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Article
MgB2 Thin Films on Metal Substrates for Superconducting RF Cavity Applications
Magnesium diboride is a promising material for superconducting RF (SRF) cavity applications. Compared to the currently used superconductor for SRF cavities Nb, MgB2 has the potential to achieve lower RF loss and ...
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Article
Thermosensitive superabsorbents based on poly(N,N-diethylacrylamide-co-sodium acrylate)
A series of poly(N,N-diethylacrylamide-co-sodium acrylate) with a degree of crosslinking of 1 mol% have been prepared as thermosensitive superabsorbents for water. The critical swelling temperatures or the volume...
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Article
Effect of Na-dopant on the Levitation Force of Single Domain YBCO Bulk Superconductors Fabricated by TSMTG Process
Na-doped single domain YBa2−x Na x Cu3O7−δ (YBCO, x=0.05, 0.1, 0.15, 0.2, 0.25, 0.3) bulk superconductors were prepared by a modi...
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Article
A Spacecraft Model Flying Around a Levitated Globe Using YBCO Bulk Superconductors
A small spacecraft model flying around a levitated globe has been designed based on magnetic force. The globe can be levitated in mid-air by the interaction between the magnets fixed at the North and South pol...
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Article
Electrochemistry of bilirubin oxidase at carbon nanotubes
In this paper, we compared the direct electron transfer and electrocatalytic properties of bilirubin oxidase (BOD) immobilized at two kinds of carbon nanotubes (CNTs), bamboo-CNTs and uniform-CNTs. X-ray diffr...
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Article
Giant magnetic-field-induced strains in polycrystalline Ni–Mn–Ga foams
The magnetic-field-induced strain in magnetic shape-memory alloys can be used in several types of application. However, the strain is high (10%) only in single-crystalline specimens, which are difficult and ex...
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Article
Scaling law of anomalous Hall effect in Fe/Cu bilayers
The scaling of anomalous Hall resistivity on longitudinal resistivity has been intensively studied in different magnetic systems, including multilayer and granular films, to examine whether a skew scattering o...
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Article
A New Method for Liquid Viscosity Measurements: Inclined-Tube Viscometry
In this article, a method which can be used to measure the viscosity of liquids with an inclined tube at high pressures and for low-boiling substances is described. The measurement equation was established. Th...
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Article
Electromechanical and ferroelectric properties of (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3- (Bi1/2Li1/2)TiO3-BaTiO3 lead-free piezoelectric ceramics for accelerometer application
Lead-free (0.90-x)(Bi1/2Na1/2)TiO3-0.05(Bi1/2K1/2)TiO3-x(Bi1/2Li1/2)TiO3-0.05BaTiO3 piezoelectric ceramics (abbreviated as BNKLBT-100x, with x ranged from 0 to 2.5 mol %) were prepared by a conventional mixed oxi...
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Article
Polaron effects on excitons in parabolic quantum wells: fractional-dimension variational approach
Polaron effects on excitons in parabolic quantum wells are studied theoretically by using a variational approach with the so-called fractional dimension model. The numerical results for the exciton binding ...
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Article
Brillouin-zone map** of the spin waves in a ferromagnetic bilayer system
The eigenproblems of spin waves in a heterogeneous ferromagnetic bilayer system with periodic boundary conditions are solved using the interface-rescaling approach. Brillouin zone map** and the eigenmodes ...
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Article
Microwave and Terahertz Surface Resistance of MgB2 Thin Films
The knowledge of the surface resistance R s of superconducting thin film at microwave and terahertz (THz) regions is significant to design, make and assess superconducting microwave and THz electr...
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Article
Optical bistability via tunable Fano-type interference in asymmetric semiconductor quantum wells
We analyze hybrid absorptive-dispersive optical bistability (OB) behavior via tunable Fano-type interference based on intersubband transitions in asymmetric double quantum wells (QWs) driven coherently by a pr...
