Fig. 2From: Raman Spectra and Bulk Modulus of Nanodiamond in a Size Interval of 2–5 nmTEM images of nanodiamond mixed with Si after the planetary mill treatment. The nanodiamond grains are separated by disordered Si. The grain size lies in the range of 2–5 nm. a General view. (b) High-resolution image. Nanodiamond grains are market by D in b Back to article page