Figure 5From: Lateral homogeneity of the electronic properties in pristine and ion-irradiated graphene probed by scanning capacitance spectroscopy Histograms of the locally measured densities of charged impurities and vacancies in pristine and ion irradiated graphene. Charged impurities density in pristine graphene (a). Charged impurities and vacancy densities in irradiated graphene with 500 keV C+ ions at fluences 1 × 1013 cm-2 (b) and 1 × 1014 cm-2 (c), respectively.Back to article page