This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers. How to Cite This Book

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The mass stopping power is the stopping power divided by the density of the stopping material, defined as dE₀/d(ρs), where E₀ is the energy of incident particles,  ρ is the density of the target and s the distance traveled.