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Eldred Lee, Kevin D. Larkin, Xin Yue, Zhehui Wang, Eric R. Fossum and Jifeng Liu
This article experimentally investigates the inception of an innovative hard X-ray photon energy attenuation layer (PAL) to advance high-energy X-ray detection (20?50 keV). A bi-layer design with a thin film high-Z PAL on the top and Si image sensor on t...
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Athil S. Al-Ezzi and Mohamed Nainar M. Ansari
Employing sunlight to produce electrical energy has been demonstrated to be one of the most promising solutions to the world?s energy crisis. The device to convert solar energy to electrical energy, a solar cell, must be reliable and cost-effective to co...
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Eldred Lee, Kaitlin M. Anagnost, Zhehui Wang, Michael R. James, Eric R. Fossum and Jifeng Liu
High-energy (>20 keV) X-ray photon detection at high quantum yield, high spatial resolution, and short response time has long been an important area of study in physics. Scintillation is a prevalent method but limited in various ways. Directly detecting ...
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Changfeng Fu, Zhijie Sun, Lianfu Han, Chao Liu, Tao Sun and Paul K. Chu
A dual-broadband and high-efficiency reflective linear polarization converter based on an anisotropic metasurface is presented. The device consists of two symmetrical, double-slotted metallic split-rings and one criss-cross structure, a dielectric layer,...
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Guoheng Wu, Zhongyue Lu, Zirong Luo, Jianzhong Shang, Chongfei Sun and Yiming Zhu
Nowadays, drifters are used for a wide range of applications for researching and exploring the sea. However, the power constraint makes it difficult for their sampling intervals to be smaller, meaning that drifters cannot transmit more accurate measureme...
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Matteo Bonomo and Danilo Dini
This review reports the properties of p-type semiconductors with nanostructured features employed as photocathodes in photoelectrochemical cells (PECs). Light absorption is crucial for the activation of the reduction processes occurring at the ...
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Jin Wang, Zhongping Yang, Fei Lin and Junci Cao
The traction transformer of the traction drive system of a high-speed train is one of the main equipments for energy conversion. The transformer loss will be increased by load harmonics and pantograph arcs at high speed. It is very important to predict l...
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Chockalingam Aravind Vaithilingam, Norhisam Misron, Mohammad Reza Zare, Ishak Aris and Mohammad Hamiruce Marhaban
With their highly robust nature and simple design, switched reluctance machines are finding their way into numerous modern day applications. However, they produce oscillatory torque that generates torque ripple and mechanical vibrations. A double rotor s...
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A. WIIN NIELSEN
A heuristic theory of the zonally averaged structure of the atmosphere is formulated on the spherical Earth using parameterization of the influence of the eddies on the zonal structure. The principal influences of the eddies are the meridional transpo...
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