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Fig. 2

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Transferred energy as a function of the kinetic energy of the impinging electrons for carbonaceous and silicate grains with a radius of 0.1   μm. Carbonaceous grain (black lines): solid line (Micelotta et al. 2010), dotted line (Dwek 1986), dashed line (Dwek 1987). Silicate grain, grey solid line (Dwek 1987).

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