Peng Yang

Wuhan University

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Liang Zhong

Shandong University

F. Fang

Institute of Modern Physics

Jie Kong

Institute of Modern Physics

Hong Su

Chinese Academy of Sciences

Di Wu

University of Science and Technology of China

A. Tykhonov

University of Geneva

M. N. Mazziotta

Istituto Nazionale di Fisica Nucleare, Sezione di Bari

David Droz

University of Geneva

Giacinto Donvito

University of Science and Technology of China

Xiaosheng Liu

Jiangxi University of Science and Technology

Cooperative Institutions

Chinese Academy of Sciences

282

University of Science and Technology of China

139

University of Chinese Academy of Sciences

124

Purple Mountain Observatory

120

Institute of High Energy Physics

Institute of Modern Physics

Campbell Collaboration

University of Geneva

University of Sassari

University of Palermo

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Efficient Electromagnetic Shielding Properties and Applications of Two-dimensional Materials and Their Derivatives

Science and Technology of Engineering Chemistry and Environmental Protection (2024)

Liang Yu Weiyi Xia Peng Yang

With the rapid development of electronic devices and wireless communication technologies, the problem of electromagnetic interference has become increasingly serious, and the development of efficient, lightweight and corrosion-resistant electromagnetic shielding materials has become a current research hotspot. This paper reviews the latest research progress of two-dimensional materials and their derivatives in the field of electromagnetic shielding, focusing on the structural properties, preparation methods, and electromagnetic shielding performance of graphene and its composites, MXene (e.g., Ti3C2Tx ) and CrxTey ultrathin films. It is shown that graphene is an ideal filler for electromagnetic shielding by virtue of its excellent electrical conductivity, mechanical strength and thermal conductivity. MXene materials are capable of preparing lightweight, high-strength and long-life electromagnetic shielding materials due to their excellent electrical conductivity, multifunctionality and composite ability with other materials. CrxTey ultra-thin films exhibit unique magnetoelectric properties and high chemical stability while maintaining good electromagnetic shielding properties, making them suitable for use in harsh environments. This paper summarizes the prospects and challenges of the application of these materials in aerospace and electronic devices, and provides references and suggestions for future research directions.

10.61173/jm63c278

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Hadronic cross section measurements with the DAMPE space mission using 20GeV-10TeV cosmic-ray protons and $^4$He

arXiv (Cornell University) (2024)

F. Alemanno Q. An P. Azzarello F. C. T. Barbato P. Bernardini

Precise direct cosmic-ray (CR) measurements provide an important probe to study the energetic particle sources in our Galaxy, and the interstellar environment through which these particles propagate. Uncertainties on hadronic models, ion-nucleon cross sections in particular, are currently the limiting factor towards obtaining more accurate CR ion flux measurements with calorimetric space-based experiments. We present an energy-dependent measurement of the inelastic cross section of protons and helium-4 nuclei (alpha particles) on a Bi$_4$Ge$_3$O$_{12}$ target, using 88 months of data collected by the DAMPE space mission. The kinetic energy range per nucleon of the measurement points ranges from 18 GeV to 9 TeV for protons, and from 5 GeV/n to 3 TeV/n for helium-4 nuclei. Our results lead to a significant improvement of the CR flux normalisation. In the case of helium-4, these results correspond to the first cross section measurements on a heavy target material at energies above 10 GeV/n.

Section (typography)

10.48550/arxiv.2408.17224

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Quantifying the spatiotemporal evolution of the in-use steel stock in countries along the Belt and Road

Resources Conservation and Recycling (2022)

Liang Zhong Xiaosheng Liu Peng Yang Xianglong Zhong Xiangrong Zeng

Stock (firearms)

Hotspot (geology)

Driving factors

Material flow analysis

Socioeconomic development