A Novel Trapping-Nitride-Storage Non-Volatile Memory Cell Using a Gated-Diode Structure With an Ultra-Thin Dielectric Dopant Diffusion Barrier

A novel trapping-nitride-storage nonvolatile memory cell by using a gated-diode structure is proposed. An ultrathin nitride layer is introduced between the n-type and p-type regions of the diode. This layer acts as a dopant diffusion barrier that well defines the junction location. Meanwhile, it is...

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Veröffentlicht in:IEEE transactions on electron devices 2008-08, Vol.55 (8), p.2202-2211
Hauptverfasser: Wen-Jer Tsai, Tien-Fan Ou, Hsuan-Ling Kao, Erh-Kun Lai, Jyun-Siang Huang, Lit-Ho Chong, Yi-Ying Liao, Shih-Ping Hong, Ming-Tsung Wu, Shih-Chang Tsai, Chia-Hao Leng, Fang-Hao Hsu, Szu-Yu Wang, Chun-Ming Cheng, Tuung Luoh, Yung-Tai Hung, Shing-Ann Luo, Chih-Hao Huang, Tao-Cheng Lu, Yang, T., Kuang-Chao Chen, Chih-Yuan Lu
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container_end_page 2211
container_issue 8
container_start_page 2202
container_title IEEE transactions on electron devices
container_volume 55
creator Wen-Jer Tsai
Tien-Fan Ou
Hsuan-Ling Kao
Erh-Kun Lai
Jyun-Siang Huang
Lit-Ho Chong
Yi-Ying Liao
Shih-Ping Hong
Ming-Tsung Wu
Shih-Chang Tsai
Chia-Hao Leng
Fang-Hao Hsu
Szu-Yu Wang
Chun-Ming Cheng
Tuung Luoh
Yung-Tai Hung
Shing-Ann Luo
Chih-Hao Huang
Tao-Cheng Lu
Yang, T.
Kuang-Chao Chen
Chih-Yuan Lu
description A novel trapping-nitride-storage nonvolatile memory cell by using a gated-diode structure is proposed. An ultrathin nitride layer is introduced between the n-type and p-type regions of the diode. This layer acts as a dopant diffusion barrier that well defines the junction location. Meanwhile, it is thin enough that charge carriers can flow through it via direct tunneling at low field as being sensed. Good program/erase characteristics and acceptable reliability are presented. Finally, using a low-bandgap material to enhance the sensing current is suggested along with the preferred device structure.
doi_str_mv 10.1109/TED.2008.926576
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identifier ISSN: 0018-9383
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source IEEE Electronic Library (IEL)
subjects Acceptability
Applied sciences
Band-edge offset
band-to-band tunneling (BTBT)
bandgap engineering
Compound structure devices
Detection
Devices
Dielectrics
Diffusion barriers
Diodes
direct tunneling (DT)
dopant diffusion barrier
Dopants
Electronics
Exact sciences and technology
gated diode
heterojunction
Integrated circuits
Integrated circuits by function (including memories and processors)
Magnetic and optical mass memories
nonvolatile memory (NVM)
Position (location)
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Storage and reproduction of information
trapped-charge storage
title A Novel Trapping-Nitride-Storage Non-Volatile Memory Cell Using a Gated-Diode Structure With an Ultra-Thin Dielectric Dopant Diffusion Barrier
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