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[文献書誌] H.Hasegawa and K.Iizuka: "Effects of Carriers on Propergation of Electromagnetic Waves Along Planar Waveguides Formed on Semiconductors" Proc.of Progress in Electromagnetic Research Symposium(PIERS). 72-74 (1989)
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[文献書誌] H.Tomozawa,K.Matsuzaki,H.Hasegawa and H.Ohno: "Electron Concentration and Conduction Band Discontinuity in Selectively Doped N-AlGaAs/InGaAs/GaAs Pseudomorphic Heterostructures" Proc.of 16th Int.Symp.on GaAs and Related Compounds(Sept.1989,).
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[文献書誌] H.Hasegawa,M.Akazawa,H.Ishii and K.Matsuzaki: "Control of compound semiconductor-insulator interfaces by an ultrathin molecular-beam epitaxy Si layer" J.Vac.Sci.Technol.B. 7. 870-878 (1989)
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[文献書誌] M.Akazawa,H.Hasegawa and E.Ohue: "In_<0.53>Ga_<0.47>As MISFETs having an ultrathin MBE Si interface control layer and photo-CVD SiO_2 insulator" Jpn.J.Appl.Phys.28. L2095-L2097 (1989)
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[文献書誌] K.Iizuka,H.Hasegawa and H.Ohno: "Experimental and Theoretical Study of Travelling Wave Interractions in n-type InP Layer Using the Electrode of ac-coupled Interdigital Pattern" IEEE Trans.Microwave and Techniques.
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[文献書誌] K.Iizuka,H.Hasegawa and H.Ohno: "MIS and Schottky Coplanar Waveguides for Microwave Monolithic Integrated Circuits Using Distributed Parameter Effects of semiconductorCarriers" IEEE Trans.Microwave and Techniques.