Chemistry
Chemistry
D.S. Bethune, G. Meijer, W.C. Tang, H.J. Rosen, "The vibrational Raman spectra of purified solid films of C60 and C70," Chemical Physics Letters, 174:219-22, 1991. Donald S. Bethune (IBM Almaden Research Center, San Jose, Calif.): "This paper reports the first vibrational Raman data for C60 and C70, obtained with minuscule samples of these molecules sublimed directly from soot produced by heating graphite in helium (following W. Kratschmer et al., Chemical Physics Letters, 170:167-70, 1990 [Ho