专业英语Nanoelectronics.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Nanoelectronics,Team members:,Yuanli Wang,Han Xu,Yanqin Chen,Ke Yang,Yongwei Yang,Contects,Abstract,Definition,Approaches to nanoelectronics,Nanoelectronic Devices,Conclusion,Abstract,The aim of nanoelectronics is to process,transmit and store information by taking advantage of properties of matter that are distinctly different from macroscopic properties.The relevant length scale depends on the phenomena investigated:it is a few nm for molecules that act like transistors or memory devices,can be 999 nm for quantum dot where the spin of the electron is being used to process information.Microelectronics,even if the gate size of the transistor is 50 nm,is not an implementation of nanoelectronics,as no new qualitative physical property related to reduction in size are being exploited.,Definition,Nanoelectronics is a new subject to discuss the theory and technology of Nanoelectronics components,circuits ,integration device and information processing.,Nanofabrication,Nanofabrication can be used to construct ultradense parallel arrays of nanowires,as an alternative to synthesizing nanowires individually,.,Nanomaterials Electronics,Besides being small and allowing more transistors to be packed into a single chip,the uniform and symmetrical structure of nanotubes allows a higher electron mobility(faster electron movement in the material),a higher dielectric constant(faster frequency),and a symmetrical electron/hole characteristic.,Molecular Electronics,Single molecule devices are another possibility.These schemes would make heavy use of molecular self-assembly,designing the device components to construct a larger structure or even a complete system on their own.,Nanoelectronic Devices,Computers,Simulation result for formation of inversion channel(electron density)and attainment of threshold voltage(IV)in a nanowire MOSFET,.,Nanoelectronic Devices,Energy production,A solar cell(also called photovoltaic cell or photoelectric cell)is a solid state electrical device that converts the energy of light directly into electricity by the photovoltaic effect.,Conclusion,Nanoelectronics is not only about size but also phenomena,mechanism,etc.,Nanoelctronics is a wide open field with vast potential for breakthroughs coming from fundamental research.,Some of the major issues that need to be addressed are:,Understand nanoscale transport(theory&experiment).,Develop/understand self-assembly techniques to do conventional things cheaper.,Find new ways of doing electronics and find ways of implementing them(e.g.quantum computing;hybrid Si-biological systems;cellular automata,