[Analysis Case] Chemical State Analysis of Metal Elements on the Sample Surface Due to Heating
This is an example of evaluating the changes in the chemical state of metal elements due to heating two types of metal foils within an XPS device.
**Analysis Samples** (1) Cu Foil: The Cu foil, which was discolored by heating in the atmosphere, was used for analysis. (2) Ag Foil: The Ag foil, which was discolored due to atmospheric corrosion, was used for analysis. **Analysis Method** XPS Analysis XPS; monochromatic AlKα radiation (ULVAC-PHI model PHI5000 VersaProbe II) Each sample was measured at room temperature and then heated to 500°C in the device (under vacuum) and measured again after heating. **Summary** By conducting XPS analysis, it is possible to evaluate the changes in chemical state associated with the temperature rise of the samples under vacuum. Additionally, the X-ray photoelectron spectroscopy (XPS) equipment owned by Kaneka Techno Research can perform XPS measurements both before and after heating, as well as during heating. Therefore, if the reaction rate is slow, it is also possible to evaluate how the chemical state changes over time.
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Kaneka Techno Research Co., Ltd. was established in 1988 with the corporate philosophy of becoming a trusted partner for our customers in the fields of "analytical services" and "technical information services." As a group of professionals with foresight and advanced analytical and research techniques, we aim to propose solutions to the challenges faced by our customers and to provide high-quality technical services quickly, thereby becoming a trusted problem-solving technical service company. We will continue to strive for improvement every day. We sincerely request your continued guidance and support.
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