物联网（Internet of Things,IOT）时代即将来临,或者说已经来临,只是我们没有留意。在这个时代,各式各样的物件都＂网＂在一起,彼此互通信息,为我们工作,为我们服务。例如,家里的电冰箱让超级市场补充青菜;家里的冷气机温度由电力公司...物联网（Internet of Things,IOT）时代即将来临,或者说已经来临,只是我们没有留意。在这个时代,各式各样的物件都＂网＂在一起,彼此互通信息,为我们工作,为我们服务。例如,家里的电冰箱让超级市场补充青菜;家里的冷气机温度由电力公司按我们的习惯自动调节;身体不舒服按一下按钮请教IBM的华生医师;外出有GPS带路;走到餐馆附近时眼镜上就出现今日菜单；汽车是自己开动的．不需要人的协助也不会撞车．因为汽车与汽车之间会说话。展开更多
The polarization switching plays a crucial role in controlling the final products in the catalytic pro-cess.The effect of polarization orientation on nitrogen reduction was investigated by anchoring transition metal a...The polarization switching plays a crucial role in controlling the final products in the catalytic pro-cess.The effect of polarization orientation on nitrogen reduction was investigated by anchoring transition metal atoms to form active centers on ferroelectric material In_(2)Se_(3).During the polariza-tion switching process,the difference in surface electrostatic potential leads to a redistribution of electronic states.This affects the interaction strength between the adsorbed small molecules and the catalyst substrate,thereby altering the reaction barrier.In addition,the surface states must be considered to prevent the adsorption of other small molecules(such as*O,*OH,and*H).Further-more,the V@↓-In_(2)Se_(3)possesses excellent catalytic properties,high electrochemical and thermody-namic stability,which facilitates the catalytic process.Machine learning also helps us further ex-plore the underlying mechanisms.The systematic investigation provides novel insights into the design and application of two-dimensional switchable ferroelectric catalysts for various chemical processes.展开更多
文摘物联网（Internet of Things,IOT）时代即将来临,或者说已经来临,只是我们没有留意。在这个时代,各式各样的物件都＂网＂在一起,彼此互通信息,为我们工作,为我们服务。例如,家里的电冰箱让超级市场补充青菜;家里的冷气机温度由电力公司按我们的习惯自动调节;身体不舒服按一下按钮请教IBM的华生医师;外出有GPS带路;走到餐馆附近时眼镜上就出现今日菜单；汽车是自己开动的．不需要人的协助也不会撞车．因为汽车与汽车之间会说话。
文摘The polarization switching plays a crucial role in controlling the final products in the catalytic pro-cess.The effect of polarization orientation on nitrogen reduction was investigated by anchoring transition metal atoms to form active centers on ferroelectric material In_(2)Se_(3).During the polariza-tion switching process,the difference in surface electrostatic potential leads to a redistribution of electronic states.This affects the interaction strength between the adsorbed small molecules and the catalyst substrate,thereby altering the reaction barrier.In addition,the surface states must be considered to prevent the adsorption of other small molecules(such as*O,*OH,and*H).Further-more,the V@↓-In_(2)Se_(3)possesses excellent catalytic properties,high electrochemical and thermody-namic stability,which facilitates the catalytic process.Machine learning also helps us further ex-plore the underlying mechanisms.The systematic investigation provides novel insights into the design and application of two-dimensional switchable ferroelectric catalysts for various chemical processes.
