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Article
Molecular-beam epitaxy-grown HgCdTe infrared detector: Material physics, structure design, and device fabrication
Infrared (IR) detectors have important applications in numerous civil and military sectors. HgCdTe is one of the most important materials for IR detector manufacture. This review systematically discusses the p...
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Article
Improving the Goodness-of-Fit of Permeability Spectra and Application in Garnet Ferrite
The fitting method of permeability spectra was improved and then applied to pure phase polycrystalline garnet ferrites $${\text{Bi}}_{x} {\tex...
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Article
Effects of substrate morphology on permeability spectra of Ni80Fe20 films deposited on periodically rippled sapphire substrates
The effects of substrate morphology on permeability spectra of the Ni80Fe20 films deposited on periodically rippled sapphire substrates by direct-current magnetron sputtering were investigated. The results show t...
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Article
The interplay between monomer formation, nucleation and growth during colloidal nanoparticle synthesis
Wet chemical methods have demonstrated their unparalleled success to control the size and size distribution of colloidal nanoparticles. In a wet chemical nanoparticle synthesis, precursor reaction, nucleation ...
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Article
Accordion-like composite of carbon-coated Fe3O4 nanoparticle decorated Ti3C2 MXene with enhanced electrochemical performance
MXene-based materials are considered to be promising candidates for electrodes in energy storage field owing to their features of two-dimensional layered structure, good conductivity, and chemical stability. C...
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Article
Open AccessHigh-Performance All-Optical Terahertz Modulator Based on Graphene/TiO2/Si Trilayer Heterojunctions
In this paper, we demonstrate a trilayer hybrid terahertz (THz) modulator made by combining a p-type silicon (p-Si) substrate, TiO2 interlayer, and single-layer graphene. The interface between Si and TiO2 introdu...
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Article
Open AccessReconfigurable nanoscale spin-wave directional coupler using spin-orbit torque
We present a reconfigurable nanoscale spin-wave directional coupler based on spin-orbit torque (SOT). By micromagnetic simulations, it is demonstrated that the functionality and operating frequency of proposed...
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Article
Open AccessPreparation and Optical Properties of GeBi Films by Using Molecular Beam Epitaxy Method
Ge-based alloys have drawn great interest as promising materials for their superior visible to infrared photoelectric performances. In this study, we report the preparation and optical properties of germanium-...
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Article
Open AccessInfrared Properties and Terahertz Wave Modulation of Graphene/MnZn Ferrite/p-Si Heterojunctions
MnZn ferrite thin films were deposited on p-Si substrate and used as the dielectric layer in the graphene field effect transistor for infrared and terahertz device applications. The conditions for MnZn ferrite...
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Article
Open AccessOrigin of reduced magnetization and domain formation in small magnetite nanoparticles
The structural, chemical, and magnetic properties of magnetite nanoparticles are compared. Aberration corrected scanning transmission electron microscopy reveals the prevalence of antiphase boundaries in nanop...
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Article
Open AccessEffect of Al2O3 Buffer Layers on the Properties of Sputtered VO2 Thin Films
VO2 thin films were grown on silicon substrates using Al2O3 thin films as the buffer layers. Compared with direct deposition on silicon, VO2 thin films deposited on Al2O3 buffer layers experience a significant im...
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Article
Magnetic nanoparticles: material engineering and emerging applications in lithography and biomedicine
We present an interdisciplinary overview of material engineering and emerging applications of iron oxide nanoparticles. We discuss material engineering of nanoparticles in the broadest sense, emphasizing size ...
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Article
Magnetic nanoparticles
Monodomain magnetic nanoparticles, due to their size, demonstrate physical properties not seen in the bulk materials, such as size-dependent magnetization reversal fields. They can be also made into a magnetic...
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Article
Template-Based Growth of Oxide Nanorod Arrays by Centrifugation
This paper reports template-based growth of nanorod arrays by combination of sol–gel processing and centrifugation. The technical concept is simple and straightforward; centrifugation force drives the sol nano...
