High performance Si/Si/sub 1-x/Ge/sub x/ resonant tunneling diodes See, P. ; Paul, D. J. ; Hollander, B. ; Mantl, S. ; Zozoulenko, I. V. ; Berggren, K. -F. Abstract Publication: IEEE Electron Device Letters Pub Date: April 2001 DOI: 10.1109/55.915607 Bibcode: 2001IEDL...22..182S