The X-ray photoelectron spectroscopy market was valued at US$ 554.07 million in 2019 and is expected to grow at a CAGR of 6.2% from 2020 to 2027 to reach US$ 896.90 million by 2027.X-ray photoelectron spectroscopy (XPS) is a quantitative spectroscopic technique that is used to measure the elemental composition, empirical formula, chemical state, and electronic state of the elements that exist...