Structural transitions of SWNT filled with C60 under high pressure
Zou Yong-gang1, Xu Li1, †, , Tian Kun1, Zhang He1, Ma Xiao-hui1, Yao Ming-guang2
       

Pressure dependence of G-band frequency of peapod sample, obtained with excitation wavelengths of 830 nm (triangle) and 514 nm (square), compared with the data of graphite (black line). Insert is the pressure dependence of G-band frequency of empty SWNTs (excitation wavelength: 830 nm).