Tip-enhanced Raman spectroscopy of graphite irradiated by focused ion beam Chan, Tsu-Shin ; Dvoynenko, Mykhaylo M. ; Liu, Chih-Yi ; Wang, Juen-Kai ; Wang, Yuh-Lin Abstract Publication: Optics Letters Pub Date: August 2009 DOI: 10.1364/OL.34.002246 Bibcode: 2009OptL...34.2246C