Highly sensitivity of potassium ion detection realized on fluorinated-HfO2 by fluorine implantation on EIS

Kuan I. Ho, Tseng Fu Lu, Meng Cin Su, Jer Chyi Wang, Chia Ming Yang, Dorota G. Pijanswska, Chao Sung Lai*

*此作品的通信作者

研究成果: 圖書/報告稿件的類型會議稿件同行評審

3 引文 斯高帕斯(Scopus)

摘要

In this article, the development of a potassium ion sensor based on the fluorinated-HfO2 using fluorine (F19+) ion implantation on Electrolyte-Insulator-Semiconductor (EIS) structure is proposed. To concentrate the F atom within a shallow region on HfO2 sensing membrane surface, relatively low implant power and big tilt angle are chosen. With suitable F19+ implant dosage, the pK sensitivity can be effectively improved from 18.19 to 112 mV/pK, and relatively low drift coefficient of 2.62 mV/h is also achieved in 10 mM potassium electrolyte. To investigate the surface roughness and the fluorine depth profile of the implanted-HfO2 films, physics analysis including AFM and XPS are both performed.

原文英語
主出版物標題2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
頁面2110-2113
頁數4
DOIs
出版狀態已出版 - 2011
事件2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, 中國
持續時間: 05 06 201109 06 2011

出版系列

名字2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Conference

Conference2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
國家/地區中國
城市Beijing
期間05/06/1109/06/11

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