"Koudai Hirose,Satoshi Fukuyama,Yoshiro Kumagai,Hiroki Tonegawa,MASAHIRO WATANABE","Room Temperature Negative Differential Resistance of Si/CaF2 Double-barrier Resonant Tunneling Diodes","The 79th Autumn Meeting of The Jpn. Soc. of Appl. Phys.",,,,,"p. 12-432",2018,Sept. "Yoshiro Kumagai,Soichiro Ono,Koudai Hirose,Satoshi Fukuyama,Hiroki Tonegawa,MASAHIRO WATANABE","Room temperature negative differential resistance of CaF2/Si/CaF2 resonant-tunneling structures fabricated by dry etching","The 79th Autumn Meeting of The Jpn. Soc. of Appl. Phys.",,,,,"p. 12-434",2018,Sept. "Hiroki Tonegawa,Yoshiro Kumagai,Satoshi Fukuyama,Koudai Hirose,MASAHIRO WATANABE","Room Temperature High Peak-to-valley Current Ratio of CaF2/Si Triple-barrier Resonant-tunneling Diode Grown on Si","The 2018 International Conference on Solid State Devices and Materials",,,,,,2018,Sept.