Radiation is considered to be either ionizing or non-Ionizing.
This page is about ionizing-radiation.
In general, all Ionizing-radiation can create ions…
The most common types are: alpha-particles, beta-particles, gamma-rays/X-rays and cosmic rays. Less common: neutrons, positrons, charge nuclei,
At the moment I do not have anything to say about ionizing radiation beyond what you can read on the Wikipedia page: https://en.wikipedia.org/wiki/Ionizing_radiation