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| 1 | The enhanced X-ray Timing and Polarimetry mission—eXTP显示文摘In this paper we present the enhanced X-ray Timing and Polarimetry mission—eXTP. eXTP is a space science mission designed to study fundamental physics under extreme conditions of density, gravity and magnetism. The mission aims at determining the equation of state of matter at supra-nuclear density, measuring effects of QED, and understanding the dynamics of matter in strong-field gravity. In addition to investigating fundamental physics, eXTP will be a very powerful observatory for astrophysics that will provide observations of unprecedented quality on a variety of galactic and extragalactic objects. In particular, its wide field monitoring capabilities will be highly instrumental to detect the electro-magnetic counterparts of gravitational wave sources.The paper provides a detailed description of:(1) the technological and technical aspects, and the expected performance of the instruments of the scientific payload;(2) the elements and functions of the mission, from the spacecraft to the ground segment. | ShuangNan Zhang Andrea Santangelo Marco Feroci YuPeng Xu FangJun Lu Yong Chen Hua Feng Shu Zhang Sφren Brandt Margarita Hernanz Luca Baldini Enrico Bozzo Riccardo Campana Alessandra De Rosa YongWei Dong Yuri Evangelista Vladimir Karas Norbert Meidinger Aline Meuris Kirpal Nandra Teng Pan Giovanni Pareschi Piotr Orleanski QiuShi Huang Stephane Schanne Giorgia Sironi Daniele Spiga Jiri Svoboda Gianpiero Tagliaferri Christoph Tenzer Andrea Vacchi Silvia Zane Dave Walton ZhanShan Wang Berend Winter Xin Wu Jean J.M.in't Zand Mahdi Ahangarianabhari Giovanni Ambrosi Filippo Ambrosino Marco Barbera Stefano Basso Jörg Bayer Ronaldo Bellazzini Pierluigi Bellutti Bruna Bertucci Giuseppe Bertuccio Giacomo Borghi XueLei Cao Franck Cadoux Francesco Ceraudo TianXiang Chen Yu Peng Chen Jerome Chevenez Marta Civitani Wei Cui WeiWei Cui Thomas Dauser Ettore Del Monte Sergio Di Cosimo Sebastian Diebold Victor Doroshenko Michal Dovciak YuanYuan Du Lorenzo Ducci QingMei Fan Yannick Favre Fabio Fuschino JoséLuis Ga'lvez Min Gao MingYu Ge Olivier Gevin Marco Grassi QuanYing Gu YuDong Gu DaWei Han Bin Hong Wei Hu Long Ji ShuMei Jia WeiChun Jiang Thomas Kennedy Ingo Kreykenbohm Irfan Kuvvetli Claudio Labanti Luca Latronico Gang Li MaoShun Li Xian Li Wei Li ZhengWei Li Olivier Limousin HongWei Liu XiaoJing Liu Bo Lu Tao Luo Daniele Macera Piero Malcovati Adrian Martindale Malgorzata Michalska Bin Meng Massimo Minuti Alfredo Morbidini Fabio Muleri Stephane Paltani Emanuele Perinati Antonino Picciotto Claudio Piemonte JinLu Qu Alexandre Rachevski Irina Rashevskaya Jerome Rodriguez Thomas Schanz ZhengXiang Shen LiZhi Sheng JiangBo Song LiMing Song Carmelo Sgro Liang Sun Ying Tan Phil Uttley Bo Wang DianLong Wang GuoFeng Wang Juan Wang LangPing Wang YuSa Wang Anna L.Watts XiangYang Wen Jörn Wilms ShaoLin Xiong JiaWei Yang Sheng Yang YanJi Yang Nian Yu WenDa Zhang Gianluigi Zampa Nicola Zampa Andrzej A.Zdziarski AiMei Zhang ChengMo Zhang Fan Zhang Long Zhang Tong Zhang Yi Zhang XiaoLi Zhang ZiLiang Zhang BaoSheng Zhao ShiJie Zheng Yu Peng Zhou Nicola Zorzi J.Frans Zwart | 2019 | Science China(Physics,Mechanics & Astronomy)2019，62，2： | 11 |
| 2 | Quality metrology of carbon nanotube thin films and its application for carbon nanotube-based electronics显示文摘Large area,highly uniform,and density controllable carbon nanotube(CNT)films,either well-aligned or random network,are required for practical application of CNT-based electronics.Mass production methods for such CNT films and corresponding quality metrology,which are critical for pushing the CNT-based transistor technology to manufacturing,should be developed in advance.Much progress has been made on fabrication of CNT films;however,there still lacks a metrology for thoroughly quantifying their quality until now.In this paper,through comparing study of CNT films fabricated by dip-coating(DC)and direct deposition(DD)methods,local anisotropy in the film is revealed to impact the performance uniformity of devices so fabricated in a spatial scale dependent manner.The anisotropy effect should be taken into account for the quality characterization of CNT films,which was not noticed in previous studies.Based on these findings,we propose a four-parameter metrology to quantify the overall quality of the CNT films,which includes the local tube density(DL),global density uniformity(Cv),local degree of order(OL),and the relative tube proportion in a certain orientation(Pθ)at a location.The four-parameter characterization and corresponding device performance confirm DC films are superior to DD films for practical application.The four-parameter metrology is not only powerful for overall quality evaluation of CNT films,but also able to predict the fluctuation of devices’performance.Therefore,this material metrology is important for devices and circuits design and valuable for pushing the CNT-based transistor technology forward. | Jie Zhao Lijun Shen Fang Liu Pan Zhao Qi Huang Hua Han Lianmao Peng Xuelei Liang | 2020 | Nano Research2020，13，6： | 4 |
| 3 | Serrated lithium fluoride nanofibers-woven interlayer enables uniform lithium deposition for lithium-metal batteries显示文摘The uncontrollable formation of Li dendrites has become the biggest obstacle to the practical application of Li-metal anodes in high-energy rechargeable Li batteries.Herein,a unique LiF interlayer woven by millimeter-level,single-crystal and serrated LiF nanofibers(NFs)was designed to enable dendrite-free and highly efficient Li-metal deposition.This high-conductivity Li F interlayer can increase the Li^(+)transference number and induce the formation of’Li F–NFs-rich’solid–electrolyte interface(SEI).In the’Li F–NFs-rich’SEI,the ultra-long Li F nanofibers provide a continuously interfacial Li^(+)transport path.Moreover,the formed Li–LiF interface between Li-metal and SEI film renders low Li nucleation and high Li^(+)migration energy barriers,leading to uniform Li plating and stripping processes.As a result,steady charge–discharge in a Li//Li symmetrical cell for 1600 h under 4 m Ah cm^(-2)and 400 stable cycles under a high area capacity of 5.65 mAh cm^(-2)in a high-loading Li//rGO–S cell at 17.9 mA cm^(-2)could be achieved.The free-standing LiF–NFs interlayer exhibits superior advantages for commercial Li batteries and displays significant potential for expanding the applications in solid Li batteries. | Shuangshuang Tan Yalong Jiang Shuyan Ni Hao Wang Fangyu Xiong Lianmeng Cui Xuelei Pan Chen Tang Yaoguang Rong Qinyou An Liqiang Mai | 2022 | National Science Review2022，9，11： | 2 |
| 4 | Electric field and photoelectrical effect bi-enhanced hydrogen evolution reaction显示文摘 | Mengyu Yan Xunbiao Zhou Xuelei Pan dunhui Wang Lixue Xia Kesong Yu Xiaobin Liao Xu Xu Liang He Liqiang Mai | 2018 | Nano Research2018，11，6： | 2 |
| 5 | Can Boltzmann Soliton Star Exist?显示文摘The ferrnion soliton stars suggested by Lee and Pang are extended to finite temperature.The degeneracy temperature T_(D) above which the fermion soliton star will become a Boltzmann soliton star is given.We prove that the Doltzmann soliton star cannot exist,because it is unstable. | SU Rukeng CHEN Xuelei PAN Rongshi | 1992 | Chinese Physics Letters1992，9，12： | 0 |
| 6 | Endovascular therapy in acute anterior circulation large vessel occlusive patients with a large infarct core(ANGEL-ASPECT):protocol of a multicentre randomised trial显示文摘Background The benefit of stroke thrombectomy for large infarct core still lacks robust randomised controlled studies.Aim To demonstrate the design of a clinical trial on endovascular therapy for acute anterior circulation large vessel occlusion(LVO)patients with large infarct core volume.Design ANGEL-ASPECT is a multicentre,prospective,randomised,open-label,blinded End-point trial to evaluate whether best medical management(BMM)combined with endovascular therapy improves neurological functional outcomes as compared with BMM alone in acute LVO patients with Alberta Stroke Program Early CT Score(ASPECTS)of 3-5 on non-contrast CT or infarct core volume range of 70-100 mL(defined as rCBF<30%on CT perfusion or ADC<620 on MRI)up to 24 hours from symptom onset or last seen well.Study outcomes The primary efficacy outcome is 90(±7)days modified Rankin Scale.Symptomatic intracranial haemorrhage within 48 hours from randomisation is the primary safety outcome.Discussion The ANGEL-ASPECT trial will screen patients with large infarct core(ASPECTS 3-5 or 70-100 mL)through image evaluation criteria within 24 hours and explore the efficacy and safety of endovascular therapy compared with BMM. | Xiaochuan Huo Gaoting Ma Xuelei Zhang Yuesong Pan Xu Tong Dapeng Sun Liping Liu Yilong Wang David S Liebeskind Yongjun Wang Vitor Mendes Pereira Zeguang Ren Zhongrong Miao | 2023 | Stroke & Vascular Neurology2023，8，2： | 0 |
| 7 | Ultrathin Metal Silicate Hydroxide Nanosheets with Moderate Metal-Oxygen Covalency Enables Efficient Oxygen Evolution显示文摘Exploring efficient,cost-effective,and durable electrocatalysts for electrochemical oxygen evolution reaction(OER)is pivotal for the large-scale application of water electrolysis.Recent advance has demonstrated that the activity of electrocatalysts exhibits a strong dependence on the surface electronic structure.Herein,a series of ultrathin metal silicate hydroxide nanosheets(UMSHNs)M_(3)Si_(2)O_(5)(OH)_(4)(M=Fe,Co,and Ni)synthesized without surfactant are introduced as highly active OER electrocatalysts.Cobalt silicate hydroxide nanosheets show an optimal OER activity with overpotentials of 287 and 358 m V at 1 and 10 m A cm^(-2),respectively.Combining experimental and theoretical studies,it is found that the OER activity of UMSHNs is dominated by the metal-oxygen covalency(MOC).High OER activity can be achieved by having a moderate MOC as reflected by aσ^(*)-orbital(e_(g))filling near unity and moderate[3d]/[2p]ratio.Moreover,the UMSHNs exhibit favorable chemical stability under oxidation potential.This contribution provides a scientific guidance for further development of active metal silicate hydroxide catalysts. | Jiexin Zhu Shikun Li Zechao Zhuang Shan Gao Xufeng Hong Xuelei Pan Ruohan Yu Liang Zhou Lyudmila V.Moskaleva Liqiang Mai | 2022 | Energy & Environmental Materials2022，5，1： | 0 |
| 8 | Illumining phase transformation dynamics of vanadium oxide cathode by multimodal techniques under operando conditions显示文摘Subtle structural changes during electrochemical processes often relate to the degradation of electrode materials.Characterizing the minute-variations in complementary aspects such as crystal structure,chemical bonds,and electron/ion conductivity will give an in-depth understanding on the reaction mechanism of electrode materials,as well as revealing pathways for optimization.Here,vanadium pentoxide (V2O5),a typical cathode material suffering from severe capacity decay during cycling,is characterized by in-situ X-ray diffraction (XRD) and in-situ Raman spectroscopy combined with electrochemical tests.The phase transitions of V2O5 within the 0-1 LiN ratio are characterized in detail.The V--O and V-V distances became more extended and shrank compared to the original ones after charge/discharge process,respectively.Combined with electrochemical tests,these variations are vital to the crystal structure cracking,which is linked with capacity fading.This work demonstrates that chemical bond changes between the transition metal and oxygen upon cycling serve as the origin of the capacity fading. | Guobin Zhang Tengfei Xiong Xuelei Pan Yunlong Zhao Mengyu Yan Haining Zhang Buke Wu Kangning Zhao Liqiang Mai | 2019 | Nano Research2019，12，4： | 0 |
| 9 | Signaling Pathways Associated with Cancer Stem Cells Play a Significant Role in Immunotherapy Resistance显示文摘Cancer stem cells(CSCs)are a subpopulation of tumor cells with properties of self-renewal,pluripotency,plasticity,and differentiation,and are associated with various aberrantly stimulated signaling pathways.They are responsible for tumor recurrence,distant metastasis,and drug resistance,thus inducing poor prognosis.Immunotherapy has achieved encouraging results.However,the resistance associated with its clinical application is a persistent problem in clinical and scientific researches.Increasing evidence shows that signaling pathways associated with CSCs mediate immunotherapy resistance.This review highlights the link between them,and focuses on the underlying mechanism so as to provide potential strategies and approaches for the development of new targets against the immune resistance challenge. | Yajuan Zhu# Yuwen Zhou Yao Xie Pan Song Xuelei Ma | 2019 | Journal of Oncology Research2019，1，2： | 0 |
| 10 | Operando Observation of Structural Evolution and Kinetics of Li[Ni0.6Co0.2Mn0.2]O2 at Elevated Temperature显示文摘Li[Ni0.6Co0.2Mn0.2]O2(NCM622)is one of the best commercialized cathodes in the battery field.However,poor cyclability at relatively high temperature hinders its multiple usages.Here,operando tests were performed to investigate the phase transitions and electron/ion transfer process of lavered NCM622 at 25 and 55℃.The identified spinel structure resulting in the poor cyclability at 55℃ guides the commercialization of batteries at high temperature. | ZHANG Guobin PAN Xuelei YU Kesong YAN Mengyu XIONG Fangyu WU Liming DENG Xuanwci ZHANG Haining MAI Liqiang | 2020 | Chemical Research in Chinese Universities2020，36，4： | 0 |
| 11 | Fabricating ion-conducting channel in SU-8 matrix for highperformance patternable polymer electrolytes显示文摘Advances in electrochemical energy storage technologies drive the need for battery safety performance and miniaturization,which calls for the easily processable polymer electrolytes suitable for on-chip microbattery technology.However,the low ionic conductivity of polymer electrolytes and poor-patternable capabilities hinder their application in microdevices.Herein,we modified SU-8,as the matrix material,by poly(ethylene oxide)(PEO)with lithium salts to obtain a patternable lithium-ion polymer electrolyte.Due to the highly amorphous state and more Li-ion transport pathways through blending effect and the increase in number of epoxides,the ionic conductivity of achieved sample is increased by an order of magnitude to 2.9×10^(−4) S·cm^(−1) in comparison with the SU-8 sample at 50°C.The modified SU-8 exhibits good thermal stability(>150°C),mechanical properties(elastic modulus of 1.52 GPa),as well as an electrochemical window of 4.3 V.Half-cell and microdevice were fabricated and tested to verify the possibility of the micro-sized on-chip battery.All of these results demonstrate a promising strategy for the integration of on-chip batteries with microelectronics. | Tianzhao Li Xuelei Pan Zhongzhuo Yang Fang Liu Kesong Yu Lin Xu Liqiang Mai | 2023 | Nano Research2023，16，1： | 0 |
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