**1.3 Scope of the chapter**

This chapter of the book is intended to introduce ion beam technology and its applications, with an emphasis on their usage in nuclear radiation damage assessment to material scientists and engineers who have little or no knowledge in the area. This chapter will cover the application in the nuclear industry and dive into the application in the area of radiation damage assessment. Then, some computational approaches that utilize ion beams in radiation damage assessment will be addressed. Important milestones in the area of application of ion beams to radiation damage assessment will also be unveiled.
