24 Result(s)
within
Zhigang **
Physics
Characterization and Evaluation of Materials
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Article
Vibrating reed study of the flux line dissipation of ceramic and single-crystal (Ba, K)BiO3
Vibrating reed (VR) and dc and ac magnetic susceptibility measurements were performed on a nominal single crystal of composition (Ba0.64K0.36)BiO3 in an applied magnetic fieldH. Field-cooling and field-sweep data...
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Chapter and Conference Paper
Structural Differences of Superconducting and Non-Superconducting PrBa2Cu3Ox Crystals
Structural differences of PrBa2Cu3Ox crystals grown by TSFZ and flux methods were investigated using single crystal X-ray diffraction method, to make clear the origin of their different electrical properties. Obv...
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Chapter and Conference Paper
Magnetic Characteristics of the Superconducting TSFZ PrBa2Cu3Oy Crystal
We present the results of a detailed magnetic characteristics on superconducting PrBa2Cu3Ox (PrBCO) single crystals in applied magnetic fields up to 0.5 T. The PrBCO single crystals were grown by the travelling-s...
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Chapter and Conference Paper
Crystal Growth of PrBa2Cu3O7-y
Crystals of PrBa2Cu307-y have been grown by the travelling-solvent floating-zone (TSFZ) method and slow-cooling. The grown crystals were identified to be single crystal of PrBa2Cu307-y by Laue X-ray measurements,...
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Chapter
Observation of Induced Modulation Instability of an Incoherent Optical Beam
We observe induced modulation instability (MI) of a partially spatially incoherent beam by seeding noise through cross-phase-modulation. Experiments revealed the existence of a threshold for such induced incoh...
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Article
Solvothermal synthesis of CdS nanowires using L-cysteine as sulfur source and their characterization
An effective solvothermal reaction route has been developed for large-scale synthesis of CdS nanowires. L-cysteine was used as both sulfur source and cap** reagent. The nanowires obtained were characterized ...
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Article
Theoretical analyses and experimental studies on semiconductor disk lasers
The comprehensive theoretical analyses and experimental studies on semiconductor disk lasers are presented. The edge-emitting photoluminescence spectrum which reflects the essential emission properties of quan...
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Article
Carbon nanotubes decorated by graphitic shells encapsulated Cu nanoparticles
Carbon nanotubes (CNTs) decorated by graphitic shells encapsulated Cu nanoparticles were fabricated by low-energy hydrocarbon ion deposition with using Cu as hold substrate at 900°C. Scanning electron microsco...
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Article
Strain accumulation in InAs/In x Ga1−x As quantum dots
The effect of strain accumulation in the InAs/In x Ga1−x As quantum dots (QDs) system was studied in this work. We found strain in the In ...
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Article
Strain accumulation in InAs/In x Ga1−x As quantum dots
The effect of strain accumulation in the InAs/In x Ga1−x As quantum dots (QDs) system was studied in this work. It was found that strain in the In ...
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Article
Optimization of the thermopower of antimony telluride thin film by introducing tellurium nanoparticles
Antimony telluride (Sb2Te3) is one of the best thermoelectric materials at room temperature. Low dimension has the potential to improve the material thermoelectric properties. Herein, we demonstrate experimental ...
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Article
Three-dimensional ordered TiO2 hollow spheres as scattering layer in dye-sensitized solar cells
TiO2 nanostructure was constructed to obtain an improved photoelectric conversion performance. The design was based on the three-dimensional ordered assembly of TiO2 hollow spheres (3D-TiO2 HPs), which were synth...
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Article
Device characteristics of amorphous ZnSnLiO thin film transistors with various channel layer thicknesses
The preparation and characteristics of ZnSnLiO thin film transistors were studied in this work. The ZnSnLiO films, as the channel layers with thickness varied from 20 to 60 nm, were deposited on SiO2/p-type Si su...
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Article
Room-temperature plasma do** without bias power for introduction of Fe, Au, Al, Ga, Sn and In into Si
It is demonstrated by use of secondary ion mass spectroscopy that some impurities, including Fe, Au, Al, Ga, Sn and In, can be doped into Si wafers with depths of tens nanometer but quite high densities in rad...
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Article
Energy for the interface system of (Nb, Mo)C/γ-Fe
The interfacial energies of MC/γ-Fe and formation energies of MC carbides have been investigated using first-principles calculations based on density functional theory (DFT). Results show that the replacement ...
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Article
Fabrication of the tea saponin functionalized reduced graphene oxide for fast adsorptive removal of Cd(II) from water
A novel graphene-based material of tea saponin functionalized reduced graphene oxide (TS-RGO) was synthesized via a facil thermal method, and it was characterized as the absorbent for Cd(II) removal from aqueo...
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Chapter
Melt Growth of Semiconductor Crystals Under Microgravity
The low-gravity environment aboard the space offers an advanced platform to prepare materials with improved properties as compared with their terrestrial counterparts, and allows an in-depth understanding of c...
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Article
Manipulation of main lobe number and azimuth angle of terahertz-transmitted beams by matrix-form-coding metasurface
To flexibly control the main lobes number and azimuth angle of terahertz-transmitted beams, we here propose a kind of matrix-form-coding metasurface. Coding metasurfaces are artificial structures composed of p...
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Article
Effect of sputtering power on the properties of SiO2 films grown by radio frequency magnetron sputtering at room temperature
SiO2 thin films were prepared with radio frequency magnetron sputtering on quartz glass substrates, and the effects of sputtering power on the stoichiometric ratio, microstructure, surface morphology and optical ...
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Article
Passive Magnetic Shielding of Stacked Joint-free Superconducting Annular Disks Made of REBCO Tapes
The joint-free superconducting annular disks and their stacks, obtained by cutting REBCO (REBa2Cu3O7–δ, RE: rare earth) wide tapes, are proposed as promising passive magnetic shields in this paper. The shielding ...
