Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) B.J. Baliga,Power semiconductor device figure of merit for high-frequency applications,IEEE Electron Device Letters,0741-3106,Institute of Electrical and Electronics Engineers (IEEE),1989-10,10,10,455-457,https://cir.nii.ac.jp/crid/1360855571211074688,https://doi.org/10.1109/55.43098