6710期

最新文章

• Anomalous normal-state gap in an electron-doped cuprate AI翻译
  作者：Xu, Ke-Jun; He, Junfeng; Chen, Su-Di; He, Yu; Abadi, Sebastien N.; Rotundu, Costel R.; Lee, Young S.; Lu, Dong-Hui; Guo, Qinda; Tjernberg, Oscar; Devereaux, Thomas P.; Lee, Dung-Hai; Hashimoto, Makoto; Shen, Zhi-Xun
  作者单位：Stanford University; United States Department of Energy (DOE); SLAC National Accelerator Laboratory; Stanford University; Stanford University; Chinese Academy of Sciences; University of Science & Technology of China, CAS; Chinese Academy of Sciences; University of Science & Technology of China, CAS; University of California System; University of California Berkeley; Yale University; Stanford University; Stanford University; United States Department of Energy (DOE); SLAC National Accelerator Laboratory; Royal Institute of Technology; Stanford University; United States Department of Energy (DOE); Lawrence Berkeley National Laboratory
  摘要：In the underdoped n-type cuprate Nd2- xCexCuO4, long-range antiferromagnetic order reconstructs the Fermi surface, resulting in a putative antiferromagnetic metal with small Fermi pockets. Using angle-resolved photoemission spectroscopy, we observe an anomalous energy gap, an order of magnitude smaller than the antiferromagnetic gap, in a wide portion of the underdoped regime and smoothly connecting to the superconducting gap at optimal doping. After considering all the known ordering tendenci...
• Ambient printing of native oxides for ultrathin transparent flexible circuit boards AI翻译
  作者：Kong, Minsik; Vong, Man Hou; Kwak, Mingyu; Lim, Ighyun; Lee, Younghyun; Lee, Seong-hun; You, Insang; Awartani, Omar; Kwon, Jimin; Shin, Tae Joo; Jeong, Unyong; Dickey, Michael D.
  作者单位：Pohang University of Science & Technology (POSTECH); North Carolina State University; Ulsan National Institute of Science & Technology (UNIST); University of Waterloo; Ulsan National Institute of Science & Technology (UNIST)
  摘要：Metal oxide films are essential in most electronic devices, yet they are typically deposited at elevated temperatures by using slow, vacuum-based processes. We printed native oxide films over large areas at ambient conditions by moving a molten metal meniscus across a target substrate. The oxide gently separates from the metal through fluid instabilities that occur in the meniscus, leading to uniform films free of liquid residue. The printed oxide has a metallic interlayer that renders the fil...
• Dino-killing asteroid came from beyond Jupiter AI翻译
  作者：Mann, Adam
  摘要：Trace metals found at extinction layer implicate rare, carbon-rich type of meteorite
• Controversial ocean alkalinity study seeks EPA permit AI翻译
  作者：Cornwall, Warren
  摘要：Project would test fighting global warming by artificially boosting seawater's absorption of carbon dioxide
• Decoupling the air sensitivity of Na-layered oxides AI翻译
  作者：Yang, Yang; Wang, Zaifa; Du, Congcong; Wang, Bowen; Li, Xinyan; Wu, Siyuan; Li, Xiaowei; Zhang, Xiao; Wang, Xubin; Niu, Yaoshen; Ding, Feixiang; Rong, Xiaohui; Lu, Yaxiang; Zhang, Nian; Xu, Juping; Xiao, Ruijuan; Zhang, Qinghua; Wang, Xuefeng; Yin, Wen; Zhao, Junmei; Chen, Liquan; Huang, Jianyu; Hu, Yong-Sheng
  作者单位：Chinese Academy of Sciences; Institute of Physics, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Yanshan University; Institute of Process Engineering, CAS; Chinese Academy of Sciences; Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai Institute of Microsystem & Information Technology, CAS; Chinese Academy of Sciences; Institute of High Energy Physics, CAS
  摘要：Air sensitivity remains a substantial barrier to the commercialization of sodium (Na)-layered oxides (NLOs). This problem has puzzled the community for decades because of the complexity of interactions between air components and their impact on both bulk and surfaces of NLOs. We show here that water vapor plays a pivotal role in initiating destructive acid and oxidative degradations of NLOs only when coupled with carbon dioxide or oxygen, respectively. Quantification analysis revealed that red...
• Paper corrected after legal scuffle AI翻译
  作者：Brainard, Jeffrey
• Four billion people lack safe water AI翻译
  作者：Hope, Rob
  作者单位：University of Oxford
  摘要：Water safety is a key challenge compounded by climate risks and data gaps
• Quantum state tracking and control of a single molecular ion in a thermal environment AI翻译
  作者：Liu, Yu; Schmidt, Julian; Liu, Zhimin; Leibrandt, David R.; Leibfried, Dietrich; Chou, Chin-wen
  作者单位：National Institute of Standards & Technology (NIST) - USA; University of Colorado System; University of Colorado Boulder; University System of Maryland; University of Maryland College Park; Swiss Federal Institutes of Technology Domain; Paul Scherrer Institute; University of California System; University of California Los Angeles
  摘要：Understanding molecular state evolution is central to many disciplines, including molecular dynamics, precision measurement, and molecule-based quantum technology. Details of this evolution are obscured when observing a statistical ensemble of molecules. Here, we report real-time observations of thermal radiation-driven transitions between individual states (jumps) of a single molecule. We reversed these jumps through microwave-driven transitions, which resulted in a 20-fold improvement in the...
• Predictive grid coding in the medial entorhinal cortex AI翻译
  作者：Ouchi, Ayako; Fujisawa, Shigeyoshi
  作者单位：RIKEN; University of Tokyo
  摘要：The entorhinal cortex represents allocentric spatial geometry and egocentric speed and heading information required for spatial navigation. However, it remains unclear whether it contributes to the prediction of an animal's future location. We discovered grid cells in the medial entorhinal cortex (MEC) that have grid fields representing future locations during goal-directed behavior. These predictive grid cells represented prospective spatial information by shifting their grid fields against t...
• Communicating my value AI翻译
  作者：Debnath, Ramit
  作者单位：University of Cambridge