Establishment an integrable model for expansion the application of the electron spin resonance in materials science

Abstract

Electron spin resonance (ESR) is a highly successful and widely employed characterization and imaging technique within the field of materials science. Consequently, it has found frequent application in materials domain. However, a substantial number of experimental ESR results in this field lack theoretical explanations due to the absence of precise ESR models. To quantitatively analyze ESR results in materials science, this study has developed an asymmetric ESR spectrum model and assessed its efficacy using twenty-two experimental datasets. This model is integrable and capable of estimating spin concentration. Furthermore, this research has sought to establish quantitative associations between key material preparation parameters and the double integral of ESR intensity. This model is poised to enhance the widespread utilization of ESR in materials science.