纳米(nm 即毫微米 长度的度量单位 “矮委小(希腊文 一纳米等于十亿分之一米的长度 是氢原子直径的10倍 万分之一头发粗细
纳米(nm) “矮小”(希腊文) 一纳米等于十亿分之一米的长度 是氢原子直径的10倍 万分之一头发粗细 长度的度量单位 即毫微米
Definition of nanoscience The word" means 10-9 so a nanometer is one billionth of a meter one definition of nanoscience is that it concerns itself with 卩yy the stu山 f objects which are anywhere from I mm hundreds to tens of I micron nanometers In I nanometer
原子簇(团簇) cluster c60 ◆ Roundest and most symmetrical molecule known to man ◆ Compressed- becomes stronger than diamond ◆ Third major form of pure carbon ◆ Heat resistance and ◆D=07nm electrical conductivity
原子簇(团簇)cluster C60 Roundest and most symmetrical molecule known to man Compressed – becomes stronger than diamond Third major form of pure carbon Heat resistance and D=0.7nm electrical conductivity
纳米粒子(超微颗粒): 41~100nm向的粒子 处原子簇和宏观物体交界的过渡区域 既非典型的微观系统亦非型的宏观 系统,是一种典型的介观系统 具有表面效应、小尺寸效应和宏观量 子隧道效应
纳米粒子(超微颗粒): 1~100nm间的粒子 处原子簇和宏观物体交界的过渡区域 既非典型的微观系统亦非典型的宏观 系统,是一种典型的介观系统 具有表面效应、小尺寸效应和宏观量 子隧道效应