دورية أكاديمية

Gallium nitride tunneling field-effect transistors exploiting polarization fields.

التفاصيل البيبلوغرافية
العنوان: Gallium nitride tunneling field-effect transistors exploiting polarization fields.
المؤلفون: Chaney, Alexander, Turski, Henryk, Nomoto, Kazuki, Hu, Zongyang, Encomendero, Jimy, Rouvimov, Sergei, Orlova, Tatyana, Fay, Patrick, Seabaugh, Alan, Xing, Huili Grace, Jena, Debdeep
المصدر: Applied Physics Letters; 2/18/2020, Vol. 116 Issue 7, p1-5, 5p, 3 Diagrams, 4 Graphs
مصطلحات موضوعية: TUNNEL field-effect transistors, FIELD-effect transistors, QUANTUM tunneling, INDIUM gallium nitride, GALLIUM nitride, QUANTUM tunneling composites
مستخلص: This report showcases a vertical tunnel field effect transistor (TFET) fabricated from a GaN/InGaN heterostructure and compares it to a gated vertical GaN p-n diode. By including a thin InGaN layer, the interband tunneling in the TFET is increased compared to the gated homojunction diode. This leads to an increased drain current of 57 μA/μm and a reduced subthreshold swing of 102 mV/dec, from 240 mV/dec. However, trap assisted tunneling prevents devices from realizing subthreshold slopes below the Boltzmann limit of 60 mV/dec. Nevertheless, this work shows the capability of tunnel field effect transistors to be realized in GaN by taking advantage of the spontaneous and piezoelectric polarization in the III-N material system. [ABSTRACT FROM AUTHOR]
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قاعدة البيانات: Complementary Index
الوصف
تدمد:00036951
DOI:10.1063/1.5132329