Low Gate Voltage Operated Multi-emitter-dot H+ Ion-Sensitive Gated Lateral Bipolar Junction Transistor
YUAN Heng1,2** , ZHANG Ji-Xing2 , ZHANG Chen1,2 , ZHANG Ning1,2 , XU Li-Xia1,2 , DING Ming1,2 , Patrick J. Clarke1
1 Science and Technology on Inertial Laboratory, Beihang University, Beijing 1001912 School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191
Abstract :A low gate voltage operated multi-emitter-dot gated lateral bipolar junction transistor (BJT) ion sensor is proposed. The proposed device is composed of an arrayed gated lateral BJT, which is driven in the metal-oxide-semiconductor field-effect transistor (MOSFET)-BJT hybrid operation mode. Further, it has multiple emitter dots linked to each other in parallel to improve ionic sensitivity. Using hydrogen ionic solutions as reference solutions, we conduct experiments in which we compare the sensitivity and threshold voltage of the multi-emitter-dot gated lateral BJT with that of the single-emitter-dot gated lateral BJT. The multi-emitter-dot gated lateral BJT not only shows increased sensitivity but, more importantly, the proposed device can be operated under very low gate voltage, whereas the conventional ion-sensitive field-effect transistors cannot. This special characteristic is significant for low power devices and for function devices in which the provision of a gate voltage is difficult.
出版日期: 2015-01-20
:
07.07.Df
(Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)
07.10.Cm
(Micromechanical devices and systems)
72.80.Cw
(Elemental semiconductors)
85.30.-z
(Semiconductor devices)
引用本文:
. [J]. 中国物理快报, 2015, 32(02): 20701-020701.
YUAN Heng, ZHANG Ji-Xing, ZHANG Chen, ZHANG Ning, XU Li-Xia, DING Ming, Patrick J. Clarke. Low Gate Voltage Operated Multi-emitter-dot H+ Ion-Sensitive Gated Lateral Bipolar Junction Transistor. Chin. Phys. Lett., 2015, 32(02): 20701-020701.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/32/2/020701
或
https://cpl.iphy.ac.cn/CN/Y2015/V32/I02/20701
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