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Optimizing laser coupling,matter heating,and particle acceleration from solids using multiplexed ultraintense lasers

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Matter and Radiation at Extremes 2024年第4期9卷 16-28页

作者： Weipeng Yao Motoaki Nakatsutsumi Sébastien Buffechoux Patrizio Antici Marco Borghesi Andrea Ciardi Sophia N.Chen Emmanuel d’Humières Laurent Gremillet Robert Heathcote Vojtech Horny Paul McKenna Mark N.Quinn Lorenzo Romagnani Ryan Royle Gianluca Sarri Yasuhiko Sentoku Hans-Peter Schlenvoigt Toma Toncian Olivier Tresca Laura Vassura Oswald Willi Julien Fuchs LULI-CNRS CEASorbonne UniversitéEcole PolytechniqueInstitut Polytechnique de ParisF-91128 Palaiseau CedexFrance Sorbonne Université Observatoire de ParisUniversité PSLCNRSLERMAF-75005 ParisFrance INRS-EMT 1650 BoulLionel-BouletVarennesQuebec J3X 1S2Canada Center for Plasma Physics School of Mathematics and PhysicsQueen’s University BelfastBelfast BT71NNUnited Kingdom “Horia Hulubei”National Institute for Physics and Nuclear Engineering 30 Reactorului StreetRO-077125 Bucharest-MagureleRomania University of Bordeaux Centre Lasers Intenses et ApplicationsCNRSCEAUMR 5107F-33405 TalenceFrance CEA DAMDIFF-91297 ArpajonFrance Université Paris-Saclay CEALMCE91680 Bruyères-le-ChatelFrance Central Laser facility STFC Rutherford Appleton LaboratoryDidcotUnited Kingdom SUPA Department of PhysicsUniversity of StrathclydeGlasgow G40NGUnited Kingdom Department of Physics University of NevadaRenoNevada 89557USA Institute of Laser Engineering Osaka University2-6 YamadaokaSuitaOsaka 565-0871Japan Institut fur Laser und Plasmaphysik Heinrich Heine Universitat DusseldorfDusseldorfGermany

Realizing the full potential of ultrahigh-intensity lasers for particle and radiation generation will require multi-beam arrangements due to technology ***,we investigate how to optimize their coupling with solid ***,we show that overlapping two intense lasers in a mirror-like configuration onto a solid with a large preplasma can greatly improve the generation of hot electrons at the target front and ion acceleration at the target *** underlying mechanisms are analyzed through multidimensional particle-in-cell simulations,revealing that the self-induced magnetic fields driven by the two laser beams at the target front are susceptible to reconnection,which is one possible mechanism to boost electron *** addition,the resistive magnetic field generated during the transport of the hot electrons in the target bulk tends to improve their *** simulations also indicate that such effects can be further enhanced by overlapping more than two laser beams.

关键词： laser acceleration particle

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Textured Asymmetric Membrane Electrode Assemblies of Piezoelectric Phosphorene and Ti_(3)C_(2)T_(x)MXene Heterostructures for Enhanced Electrochemical Stability and Kinetics in LIBs

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Nano-Micro Letters 2024年第4期16卷 394-414页

作者： Yihui Li Juan Xie Ruofei Wang Shugang Min Zewen Xu Yangjian Ding Pengcheng Su Xingmin Zhang Liyu Wei Jing‑Feng Li Zhaoqiang Chu Jingyu Sun Cheng Huang Volta and DiPole Materials Labs College of EnergySoochow Institute for Energy and Materials InnovationS(SIEMIS)Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu ProvinceKey Laboratory of Core Technology of High Specific Energy Battery and Key Materials for Petroleum and Chemical IndustrySoochow UniversitySuzhou 215006People’s Republic of China School of Materials Science and Engineering Jiangsu UniversityZhenjiang 212013People’s Republic of China College of Underwater Acoustic Engineering Harbin Engineering UniversityHarbin 150001People’s Republic of China Shanghai Synchrotron Radiation facility Shanghai Advanced Research InstituteShanghai Institute of Applied PhysicsChinese Academy of SciencesShanghai 201204People’s Republic of China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084People’s Republic of China High Density Materials Technology Center for Flexible Hybrid Electronics Suzhou Institute of Electronic Functional Materials TechnologySuzhou Industrial Technology Research InstituteSuzhou 215151People’s Republic of China Institute of Advanced Materials and Institute of Membrane Science and Technology Jiangsu National Synergistic Innovation Center for Advanced MaterialsSuzhou Laboratory and Nanjing Tech UniversityNanjing 211816People’s Republic of China

Black phosphorus with a superior theoretical capacity(2596 mAh g^(-1))and high conductivity is regarded as one of the powerful candidates for lithium-ion battery(LIB)anode materials,whereas the severe volume expansion and sluggish kinetics still impede its applications in *** contrast,the exfoliated two-dimensional phosphorene owns negligible volume variation,and its intrinsic piezoelectricity is considered to be beneficial to the Li-ion transfer kinetics,while its positive influence has not been discussed ***,a phosphorene/MXene heterostructure-textured nanopiezocomposite is proposed with even phosphorene distribution and enhanced piezo-electrochemical coupling as an applicable free-standing asymmetric membrane electrode beyond the skin effect for enhanced Li-ion *** experimental and simulation analysis reveals that the embedded phosphorene nanosheets not only provide abundant active sites for Li-ions,but also endow the nanocomposite with favorable piezoelectricity,thus promoting the Li-ion transfer kinetics by generating the piezoelectric field serving as an extra *** waltzing with the MXene framework,the optimized electrode exhibits enhanced kinetics and stability,achieving stable cycling performances for 1,000 cycles at 2 A g^(-1),and delivering a high reversible capacity of 524 m Ah g^(-1)at-20℃,indicating the positive influence of the structural merits of self-assembled nanopiezocomposites on promoting stability and kinetics.

关键词： Phosphorene Nanopiezocomposite Piezo-electrochemical coupling Membrane electrode assembly Lithium-ion storage

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New status of the infrared beamlines at SSRF

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Nuclear Science and Techniques 2019年第12期30卷 83-93页

作者： Xiao-Jie Zhou Hua-Chun Zhu Jia-Jia Zhong Wei-Wei Peng Te Ji Yue-Cheng Lin Yu-Zhao Tang Min Chen National facility for Protein Science in Shanghai Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Shanghai Synchrotron Radiation facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of Chinese Academy of Sciences Beijing 100049China

There are two infrared beamlines at the Shanghai synchrotron radiation facility(SSRF)-BL01B and ***01B was the first infrared beamline of the National facility for Protein Science in Shanghai at SSRF,which is dedicated to synchrotron infrared *** utilizes bending magnet radiation and edge radiation as light ***-limited spatial resolution is reached in the infrared microspectroscopy ***01B has been in operation for approximately five years since it opened in January *** the past few years,many meaningful results have been published by user groups from various disciplines,such as biomacromolecule materials and pharmaceutical,environmental,and biomedical *** addition,a new infrared beamline station BL06B is under construction,which is optimized for the mid-infrared and far-infrared ***06B is equipped with a vacuum-type Fourier transform infrared spectrometer,infrared microscope,custom longworking-distance infrared microscope,infrared scanning near-field optical microscope,and mid-infrared Mueller *** purpose is to serve experiments with high vacuum requirements and spatial resolution experiments,as well as those that are in situ and time-sensitive,such as high-pressure and atomic force microscopy infrared *** station can be used for research in biomaterials,pharmacy,geophysics,nanotechnology,and semiconductor materials.

关键词： Synchrotron radiation Fourier transform infrared spectroscopy Infrared microspectroscopy Infrared beamlines

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Cold RF test and associated mechanical features correlation of a TESLA-style 9-cell superconducting niobium cavity built in China

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Chinese Physics C 2012年第2期36卷 156-159页

作者： DAI Jing LU Xiang-Yang QUAN Sheng-Wen ZHANG Bao-Cheng LIN Lin HAO Jian-Kui ZHU Feng XU Wen-Can HE Fei-Si JIN Song WANG Fang LIU Ke-Xin R.L.Geng ZHAO Kui Institute of Heavy Ion Physics Peking UniversityBeijing 100871China Thomas Jefferson National Accelerator facility Newport NewsVA 2606USA

The RF performance of a 1.3 GHz 9-cell superconducting niobium cavity was evaluated at cryogenic temperatures following surface processing by using the standard ILC-style recipe. The cavity is a TESLA-style 9-cell superconducting niobium cavity, with complete end group components including a higher order mode coupler, built in China for practical applications. An accelerating gradient of 28.6 MV/m was achieved at an unloaded quality factor of 4× 109. The morphological property of mechanical features on the RF surface of this cavity was characterized through optical inspection the RF performance of the cavity is attempted. Correlation between the observed mechanical features and

关键词： superconducting cavity unloaded quality factor field emission

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对于7 T心血管MRI:临床需求、技术解决方案和研究承诺

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国际医学放射学杂志 2011年第1期34卷 96-页

作者： T.Niendorf D.K.Sodickson G.A.Krombach J.Schulz-Menger 范璐 berlin ultrahigh field facility (BUFF) Max Delbrueck Center for Molecular Medicine

目的分析超高场强心血管MR(CMR)检查的潜在临床需要、技术解决方案和研究承诺。方法通过文献复习,分析超高场(UHF)CMR的优、缺点。

关键词：心血管MRI 超高场成像多源发射 MR技术平行成像

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基于格点有效场论的原子核电荷半径微扰计算

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原子核物理评论 2024年第1期41卷 172-177页

作者：马远卓吕炳楠李宁王倩华南师范大学量子物质研究院原子亚原子结构与量子调控教育部重点实验室广州510006 facility for Rare Isotope Beams Michigan State UniversityMI 48824USA 中国工程物理研究院研究生院北京100193 中山大学物理学院广州510275

原子核格点有效场论(Nuclear Lattice Effective field Theory)是近些年发展起来的一种高精度原子核第一性原理计算方法。它将手征有效场论与格点量子蒙特卡罗方法有机结合起来,能够在统一的理论框架下构建核力与求解量子多体问题。近... 详细信息

原子核格点有效场论(Nuclear Lattice Effective field Theory)是近些年发展起来的一种高精度原子核第一性原理计算方法。它将手征有效场论与格点量子蒙特卡罗方法有机结合起来,能够在统一的理论框架下构建核力与求解量子多体问题。近年来新发展出来的波函数匹配(wave function matching)方法与微扰量子蒙特卡罗方法(perturbative quantum Monte Carlo method)为解决著名的“符号问题”开辟了全新的路径。本工作在这些方法的基础上,通过计算两点关联函数发展出格点上电荷半径的微扰计算方法,验证计算表明了本工作的可靠性。使用手征N^(3)LO核力的计算能够很好地复现^(4)He、^(12)C与^(16)O的实验测量结果。

关键词：原子核电荷半径手征有效场论格点微扰计算

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Comparison of modelled-and remote sensing-derived daily snow line altitudes at Ulugh Muztagh,northern Tibetan Plateau

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Journal of Mountain Science 2016年第4期13卷 593-613页

作者： Marinka SPIESS Eva HUINTJES Christoph SCHNEIDER Department of Geography RWTH Aachen UniversityWiillnerstr.5b52066 AachenGermany Humbold University berlin Unter den Linden 610099 BerlinGermany

The ice cap Ulugh Muztagh in the central Kunlun Shan at the northern fringe of the Tibetan Plateau is a very isolated region with arid cold conditions. No observational, meteorological or glaciological ground truth data is available. Using the Moderate-resolution Imaging Spectroradiometer(MODIS) Level 1 radiance Swath Data(MOD02QKM) with a spatial resolution of 250 m, transient snow lines during the months of July to September in 2001 to 2014 are derived. Results are used to calibrate the physical based Coupled Snowpack and Ice surface energy and Mass balance model(COSIMA). The model runs on a representative detail region of Ulugh Muztagh(UM) on a digital elevation model with the same spatial resolution as the MODIS bands. In the absence of field observations, the model is driven solely by dynamically downscaled global analysis data from the High Asia Refined analysis(HAR). We compare remote sensing derived and modelled mean regional transient snow line altitudes in the course of consecutive summer seasons in 2008 to 2010. The resulting snow line altitude(SLA) and annual equilibrium line altitude(ELA) proxy of both methods coincide very well in their interannual variability in accordance with interannual variability of climatic conditions. Since SLAs of both methods do notconsistently agree on a daily basis a usage of remote sensing derived SLAs for model calibration in the absence of field observation data is only limitedly feasible for daily analysis. ELA approximation using the highest SLA at the end of ablation period may not be applied to UM because the negative winter mass balance(MB) is not reflected in the summer SLA. The study reveals moderate negative MB for UM throughout the modelling period. The mean regional MB of UM accounts for-523±410 mm w.e. a-1 in the modelling period. Hence UM seems not to belong to the area of the ‘Karakorum anomaly' comprising a region of positive mass balances in recent years which has its centre presumably in the Western Kunlu

关键词： Ulugh Muztagh Imaging spectroradiometer MODIS COSIMA Energy balance Snow line Tibetan Plateau Kunlun Shan

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An Al0.25Ga0.75N/GaN Lateral field Emission Device with a Nano Void Channel

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Chinese Physics Letters 2018年第3期35卷 106-109页

作者：赵德胜刘冉付凯于国浩蔡勇黄宏娟王逸群孙润光张宝顺 The State Key Laboratory of ASIC and Systems School of Information Science and TechnologyFudan University Nano Fabrication facility Suzhou Institute of Nano-tech and Nano-bionics Chinese Academy of Sciences

We report an Al0.25Ga0.75N/GaN based lateral field emission device with a nanometer scale void channel. A -45 nm void channel is obtained by etching out the SiO2 sacrificial dielectric layer between the semiconductor emitter and the metal collector. Under an atmospheric environment instead of vacuum conditions, the OaN- based field emission device shows a low turn-on voltage of 2.3 V, a high emission current of -40 μA （line current density 2.3mA/cm） at a collector bias Vc = 3 V, and a low reverse leakage of 3nA at Vc = -3 V. These characteristics are attributed to the nanometer scale void channel as well as the high density of two-dimensional electron gas in the AlGaN/GaN heterojunction. This type of device may have potential applications in high frequency mieroelectronics or nanoelectronics.

关键词： Ga An Al N/GaN Lateral field Emission Device with a Nano Void Channel

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The new X-ray imaging and biomedical application beamline BL13HB at SSRF

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Nuclear Science and Techniques 2023年第12期34卷 190-205页

作者： Jian‑Feng Ji Han Guo Yan‑Ling Xue Rong‑Chang Chen Ya‑Nan Fu Guo‑Hao Du Biao Deng Hong‑Lan Xie Ti‑Qiao Xiao Shanghai Synchrotron Radiation facility Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201204China Shanghai Institute of Applied Physics China Academy of ScienceShanghai 201800China

A new X-ray imaging and biomedical application beamline(BL13HB)has been implemented at the Shanghai Radiation Synchrotron facility(SSRF)as an upgrade to the old X-ray imaging and biomedical application beamline(BL13W1).This is part of the Phase II construction project of the *** BL13HB is dedicated to 2D and 3D static and dynamic X-ray imaging,with a field of view of up to 48.5 mm×5.2 mm and spatial resolution as high as 0.8μm.A super-bending magnet is used as the X-ray source in BL13HB,which has a maximum magnetic field of 2.293 *** energy range of monochromatic X-ray photons from a double-multiplayer monochromator was 8–40 keV,and the white beam mode was provided on the beamline for dynamic X-ray imaging and dynamic X-ray *** maintaining the previous experimental setup of BL13W1,new equipment was added to the beamline experimental *** beamline is equipped with different sets of X-ray imaging detectors for several experimental methods such as micro-CT,dynamic micro-CT,and pair distribution *** experimental station of BL13HB is designed specifically for various in situ dynamic experiments,and BL13HB has been open to users since June 2021.

关键词： X-ray imaging Dynamic micro-CT Shanghai Synchrotron Radiation facility

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Study of doping effect,phase separation and heterojunction in CMR manganites

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Science China(Physics,Mechanics & Astronomy) 2013年第1期56卷 85-98页

作者： YANG Jie SUN YuPing Key Laboratory of Materials Physics Institute of Solid State PhysicsChinese Academy of Sciences High Magnetic field Laboratory Chinese Academy of Sciences

Mixed-valence manganites have attracted considerable research focus in recent years not only because of the potential application of colossal magnetoresistance(CMR) in magnetic devices,but also because of many intriguing physical properties observed in these *** elements at A-site can alter the filling of 3d Mn band and the tolerance *** the hole-and electron-doped CMR manganites exhibit a rich phase *** addition,more theoretical and experimental results suggest that phase separation is a critical factor for the understanding of CMR ***,there is an increasing interest in the fabrication and investigation on manganite-based heterojunction,which demonstrated excellent rectifying property,large MR,and photovoltaic effect.

关键词： Colossal magnetoresistance phase separation manganite-based heterojunction

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