Variations in the Raman peak shift as a function of hydrostatic pressure for various carbon nanostructures: a simple geometric effect (Article no. 035417) - Sandler, J; Shaffer, MSP; Windle, AH; Halsall, MP; Montes-Moran, MA; Cooper, CA; Young, RJ (Physical Review B (Condensed Matter and Materials Physics), 2003)