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| 1 | First dark matter search results from the PandaX-Ⅰ experiment显示文摘We report on the first dark-matter(DM)search results from PandaX-I,a low threshold dual-phase xenon experiment operating at the China JinPing Underground Laboratory.In the 37-kg liquid xenon target with 17.4 live-days of exposure,no DM particle candidate event was found.This result sets a stringent limit for low-mass DM particles and disfavors the interpretation of previously-reported positive experimental results.The minimum upper limit,3.7×10-44cm2,for the spin-independent isoscalar DM-particle-nucleon scattering cross section is obtained at a DM-particle mass of 49 GeV/c2at 90%confidence level. | XIAO MengJiao XIAO Xiang ZHAO Li CAO XiGuang CHEN Xun CHEN YunHua CUI XiangYi FANG DeQing FU ChangBo GIBONI Karl L. GONG HaoWei GUO GuoDong HU Jie HUANG XingTao JI XiangDong JU YongLin LEI SiAo LI ShaoLi LIN Qing LIU HuaXuan LIU JiangLai LIU Xiang LORENZON Wolfgang MA YuGang MAO YaJun NI KaiXuan PUSHKIN Kirill REN XiangXiang SCHUBNELL Michael SHEN ManBing STEPHENSON Scott TAN AnDi TARL Greg WANG HongWei WANG JiMin WANG Meng WANG XuMing WANG Zhou WEI YueHuan WU ShiYong XIE PengWei YOU YingHui ZENG XiongHui ZHANG Hua ZHANG Tao ZHU ZhongHua | 2014 | Science China(Physics,Mechanics & Astronomy)2014，57，11： | 10 |
| 2 | Emission characteristics of surface second-order metal grating distributed feedback semiconductor lasers显示文摘To obtain high-power semiconductor lasers with stable operation in a single longitudinal mode and improve the characteristics of the output beam,an end-emitting surface second-order metal grating distributed feedback(DFB) laser emitting at around 940 nm is fabricated.The characteristics of the uncoated devices with and without gratings are tested under room temperature continuous-wave conditions without any temperature-control device and compared.The devices with gratings achieve high powers of up to 385 mW/facet and a small lateral far-field angle of 2.7° at 1.5 A,have only 4.13 nm/A wavelength-shift,and 0.09 nm spectral linewidth at 600 mA,and operate in a stable longitudinal mode.Devices without gratings operate in multimode,with a larger lateral far-field angle(7.3°) and spectral linewidth(1.3 nm),although with higher output powers.Because of the integration of second-order metal gratings and their very high coupling capability,the output beam quality is improved greatly,the lasing wavelength is stable and varies slowly with changes in injection current,while the spectrum is narrowed dramatically,and the far-field angles are greatly reduced.This opens the way for the realization of watt-scale power broad-stripe(>100 μm) surface second-order metal grating end and surface-emitting DFB lasers and arrays with single frequency,single mode operation and high output beam quality. | SHI JunXiu QIN Li LIU Yun ZHANG Nan ZHANG Jian ZHANG LiSen JIA Peng NING YongQiang ZENG YuGang ZHANG JinLong WANG LiJun | 2012 | Chinese Science Bulletin2012，57，17： | 5 |
| 3 | Enhancement of refresh time in quasi-nonvolatile memory by the density of states engineering显示文摘The recently reported quasi-nonvolatile memory based on semi-floating gate architecture has attracted extensive attention thanks to its potential to bridge the large gap between volatile and nonvolatile memory.However,the further extension of the refresh time in quasi-nonvolatile memory is limited by the charge leakage through the p-n junction.Here,based on the density of states engineered van der Waals heterostructures,the leakage of electrons from the floating gate to the channel is greatly suppressed.As a result,the refresh time is effectively extended to more than 100 s,which is the longest among all previously reported quasi-nonvolatile memories.This work provides a new idea to enhance the refresh time of quasi-nonvolatile memory by the density of states engineering and demonstrates great application potential for high-speed and low-power memory technology. | Zhaowu Tang Chunsen Liu Senfeng Zeng Xiaohe Huang Liwei Liu Jiayi Li Yugang Jiang David Wei Zhang Peng Zhou | 2021 | Journal of Semiconductors2021，42，2： | 1 |
| 4 | Sequence analysis of PasteureUa multocida major outer membrane protein(OmpH) and application of synthetic peptides in vaccination of chickens against homologous strain challenge显示文摘 | Luo Yugang Zeng Qiandon Glisson J R | 1999 | Vaccine1999，17，： | 1 |
| 5 | Photoinduced redox initiation for fast polymerization of acrylaytes based on latent superbase and peroxides显示文摘 | Minghui He Xun Huang Yugang Huang Zhaohua Zeng Jianwen Yang | 2012 | Polymer2012，，15： | 1 |
| 6 | Sequence analysis of Pasteurella multocida major outer membrane protein(OmpH)and appheation of specific peptides in vaccination of chickens against homologous strain challenge显示文摘 | Yugang Luo Qiandon Zeng Glisson J R | | 0，，： | 1 |
| 7 | Numerical and experiment analysis of residual stress on magnesium alloy and steel butt joint by hybrid laser-TIG welding显示文摘 | Zhi Zeng Xunbo Li Yugang Miao Gang Wu Zijun Zhao | 2011 | Computational Materials Science2011，，5： | 1 |
| 8 | Sequence analysis of Pasteurella multocida major outer membrane protein (OmpH) and application of synthetic peptides in vaccination of chickens against homologous strain challenge显示文摘 | Yugang luo Qiandon Zeng John R Glisson | 1999 | Vaccine1999，17，： | 1 |
| 9 | Sequence analysis of PasteureUa multocida major outer membrane protein (OmpH) and application ofsyntyetic peptides in vaccination of chickens against homologous strain challenge显示文摘 | Yugang Luo Qiandon Zeng John R G ct al | 1999 | Vaccine1999，17，： | 1 |
| 10 | Constraining self-interacting dark matter with the full dataset of PandaX-II显示文摘Self-interacting dark matter(SIDM)is a leading candidate proposed to solve discrepancies between predictions of the prevailing cold dark matter theory and observations of galaxies.Many SIDM models predict the existence of a light force carrier that mediates strong dark matter self-interactions.If the mediator couples to the standard model particles,it could produce characteristic signals in dark matter direct detection experiments.We report searches for signals of SIDM models with a light mediator using the full dataset of the PandaX-II experiment,basing on a total exposure of 132 tonne-days.No significant excess over background is found,and our likelihood analysis leads to a strong upper limit on the dark matter-nucleon coupling strength.We further combine the PandaX-II constraints and those from observations of the light element abundances in the early universe,and show that direct detection and cosmological probes can provide complementary constraints on dark matter models with a light mediator. | Jijun Yang Abdusalam Abdukerim Wei Chen Xun Chen Yunhua Chen Chen Cheng Xiangyi Cui Yingjie Fan Deqing Fang Changbo Fu Mengting Fu Lisheng Geng Karl Giboni Linhui Gu Xuyuan Guo Ke Han Changda He Shengming He Di Huang Yan Huang Ran Huo Yanlin Huang Zhou Huang Xiangdong Ji Yonglin Ju Shuaijie Li Qing Lin Huaxuan Liu Jianglai Liu Xiaoying Lu Wenbo Ma Yugang Ma Yajun Mao Yue Meng Nasir Shaheed Kaixiang Ni Jinhua Ning Xuyang Ning Xiangxiang Ren Changsong Shang Guofang Shen Lin Si Andi Tan Anqing Wang Hongwei Wang Meng Wang QiuHong Wang Siguang Wang Wei Wang Xiuli Wang Zhou Wang Mengmeng Wu Shiyong Wu Weihao Wu Jingkai Xia Mengjiao Xiao Xiang Xiao Pengwei Xie Binbin Yan Yong Yang Chunxu Yu Hai-Bo Yu Jumin Yuan Ying Yuan Xinning Zeng Dan Zhang Tao Zhang Li Zhao Qibin Zheng Jifang Zhou Ning Zhou Xiaopeng Zhou | 2021 | Science China(Physics,Mechanics & Astronomy)2021，64，11： | 0 |
| 11 | 肠上皮受体LRRC19促进招募免疫细胞及肠道炎症显示文摘哺乳动物胃肠道有大量和多样化的共生菌。近年来的研究逐渐表明,人类健康高度依赖于肠道其生菌对免疫的贡献。 | Shuisong Cao Xiaomin Su Benhua Zeng Hui Yan Yugang Huang Enlin Wang Huan Yun Yuan Zhang Feifei Liu Wenxia Li Hong Wei Yongzhe Che 杨荣存 | 2017 | 科学新闻2017，19，4： | 0 |
| 12 | █████显示文摘The recently reported quasi-nonvolatile memory based on semi-floating gate architecture has attracted extensive attention thanks to its potential to bridge the large gap between volatile and nonvolatile memory.However,the further extension of the refresh time in quasi-nonvolatile memory is limited by the charge leakage through the p-n junction.Here,based on the density of states engineered van der Waals heterostructures,the leakage of electrons from the floating gate to the channel is greatly suppressed.As a result,the refresh time is effectively extended to more than 100 s,which is the longest among all previously reported quasi-nonvolatile memories.This work provides a new idea to enhance the refresh time of quasi-nonvolatile memory by the density of states engineering and demonstrates great application potential for high-speed and low-power memory technology. | Zhaowu Tang Chunsen Liu Senfeng Zeng Xiaohe Huang Liwei Liu Jiayi Li Yugang Jiang David Wei Zhang Peng Zhou | 2021 | Journal of Semiconductors2021，42，2： | 0 |
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