Fig. 4From: Raman Spectroscopic Characterizations of Self-Catalyzed InP/InAs/InP One-Dimensional Nanostructures on InP(111)B Substrate using a Simple Substrate-Tilting MethodAn excitation power dependence on Raman spectra of InP 1TO and InP 1LO peaks for different substrate tilts. a InP/InAs/InP nanopillars. b InP/InAs/InP nanocones. c Integrated intensity ratio of InP 1TO over InP 1LO excitationsBack to article page