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67 Result(s)
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Tianshu **ao
Materials Science
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Article
Open AccessGroup IV topological quantum alloy and the role of short-range order: the case of Ge-rich Ge1–xPbx
Despite the explosion of interest in topological materials over the last decades, their applications remain limited due to challenges in growth and incorporation with today’s microelectronics. As a potential b...
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Article
Accurate atomic scanning transmission electron microscopy analysis enabled by deep learning
Currently, the machine learning (ML)-based scanning transmission electron microscopy (STEM) analysis is limited in the simulative stage, its application in experimental STEM is needed but challenging. Herein, ...
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Article
Ultrathin GaN Crystal Realized Through Nitrogen Substitution of Layered GaS
GaN has been demonstrated as an important wide-bandgap semiconductor in many applications, especially in optoelectronic and high-power electronics. Two-dimensional (2D) GaN, with increased bandgap compared to ...
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Article
Open AccessPublisher Correction: Coexistence of two types of short-range order in Si–Ge–Sn medium-entropy alloys
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Article
Magnetically tunable and stable deep-ultraviolet birefringent optics using two-dimensional hexagonal boron nitride
Birefringence is a fundamental optical property that can induce phase retardation of polarized light. Tuning the birefringence of liquid crystals is a core technology for light manipulation in current applicat...
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Article
Open AccessCoexistence of two types of short-range order in Si–Ge–Sn medium-entropy alloys
Short-range chemical order (SRO) has been shown to play a decisive role in modulating a wide range of physical properties in medium-entropy alloys and high-entropy alloys. The enormous configurational space of...
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Article
Open AccessBoron-modified perhydropolysilazane towards facile synthesis of amorphous SiBN ceramic with excellent thermal stability
SiBN ceramics are widely considered to be the most promising material for microwave-transparent applications in harsh environments owing to its excellent thermal stability and low dielectric constant. This wor...
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Article
Spin-induced linear polarization of photoluminescence in antiferromagnetic van der Waals crystals
Antiferromagnets are promising components for spintronics due to their terahertz resonance, multilevel states and absence of stray fields. However, the zero net magnetic moment of antiferromagnets makes the de...
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Article
Effect of Mg35Sb65 interlayer on the thermal stability and scaling of Ge2Sb2Te5 phase change thin film
The effects of Mg35Sb65 layer on the thermal stability and thickness change rate of Ge2Sb2Te5 in superlattice films were studied. Compared with monolayer Ge2Sb2Te5 films, Mg35Sb65/Ge2Sb2Te5 films had higher resis...
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Article
Changes in Resistance and Bandgap of V2O5 and Ge2Sb2Te5 during Phase Transition
V2O5 and Ge2Sb2Te5 (GST) films have been prepared by magnetron sputtering, and their transformation from amorphous to crystalline state studied by in situ resistance temperature measurements. During the heating p...
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Book
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Chapter
Radiative Energy Transport
This chapter describes the transport processes of radiative energy in a thin luminescent paint, including the absorption of excitation light through the paint layer and the luminescent radiation from the paint...
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Chapter
Introduction
Quantitative measurements of surface pressure and temperature in wind tunnels and flight testing are essential for understanding the aerodynamic performance and heat transfer characteristics of flight vehicles...
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Chapter
Physical Properties of Paints
This chapter describes typical PSPs that use platinum porphyrins, ruthenium polypyridyls, and pyrene derivatives as pressure-sensing molecules in different polymer binders. The absorption and emission spectra ...
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Chapter
Intensity-Based Methods
This chapter describes the intensity-based methods that are widely used in PSP and TSP measurements. A generic camera-based system is first described, which includes illumination sources, optical filters, digi...
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Chapter
Time Response
This chapter describes the time responses of PSP and TSP to unsteady flows, which are determined by the oxygen and thermal diffusion processes in thin paint layers, respectively. The solutions of the 1D unstea...
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Chapter
Applications of PSP
This chapter describes PSP measurements in various flows in a range of facilities. Both intensity-based and lifetime-based PSP measurements in high subsonic, transonic, and supersonic flows are first described...
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Chapter
Applications of TSP
This chapter describes TSP measurements in various flows particularly hypersonic flows. TSP application is first demonstrated in a small shock tube that is commonly available in universities to study complex s...
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Chapter
Basic Photophysics
This chapter describes the relevant physical processes of luminescence, including excitation, emission, oxygen quenching, and thermal quenching. The kinetic models for conventional and porous PSPs are discusse...
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Chapter
Lifetime-Based Methods
This chapter describes the response of the luminescent emission of PSP (or TSP) to time-varying excitation light and the luminescent lifetime measurement methodologies, including the pulse method, phase method...
