High-precision band gap evaluation is possible through combined analysis of XAFS and XPS.
The band gap of thin film samples has been measured using analytical methods such as UV-Vis, PL, and XPS, but the cases that could be evaluated were limited due to constraints related to the sample structure, such as materials, film thickness, and substrates. This time, through the combined analysis of XAFS and XPS, it has become possible to reduce the constraints of the sample structure and achieve a higher precision band gap evaluation than before. This method is particularly effective for the evaluation of various oxide and nitride films. This document presents a case study on the band gap evaluation of silicon nitride (SiN) films. Measurement methods: XAFS, XPS. Product fields: solar cells, lighting, oxide semiconductors, power devices. Analysis purpose: evaluation of electronic states. For more details, please download the document or contact us.
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Analysis of solar cells, lighting, oxide semiconductors, and power devices.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!