The electron spin resonance(ESR)of purified carbon nanotubes prepared under different helium pressures from 20.0 to 80.0kPa in arc discharge has been measured.The dependence of the ESR spin density,linewidth and g val...The electron spin resonance(ESR)of purified carbon nanotubes prepared under different helium pressures from 20.0 to 80.0kPa in arc discharge has been measured.The dependence of the ESR spin density,linewidth and g value of the purified nanotubes on the helium pressure is found.The electronic properties of purified nanotubes varying with He pressure are discussed.展开更多
基金Supported by Guangdong Provincial Natural Science Foundation of China(No.960029)the Foundation of Key Scientific Researches by the Higher Education Bureau of Guangdong Province(No.950011).
文摘The electron spin resonance(ESR)of purified carbon nanotubes prepared under different helium pressures from 20.0 to 80.0kPa in arc discharge has been measured.The dependence of the ESR spin density,linewidth and g value of the purified nanotubes on the helium pressure is found.The electronic properties of purified nanotubes varying with He pressure are discussed.
