Study On Charge Trap Layers In Charge Trap Metal-Oxide-Semiconductor Field Effect Transistor

被引:2
作者
Cho, Seung Su [1 ]
Joo, Kyong Hee [2 ]
Yeo, In-Seok [2 ]
Chung, Ilsub [1 ]
机构
[1] Sungkyunkwan Univ, Sch Informat & Commun Engn, Suwon 440746, South Korea
[2] Samsung Elect Co Ltd, Proc Dev Team, Memory Div, Semicond Business, Yongin 449177, Gyeonggi Do, South Korea
关键词
MEMORY; SILICON;
D O I
10.1143/JJAP.48.021201
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this study, we have investigated the two types of charge trap devices in terms of performance and reliability. Either a silicon rich oxide (SRO) layer or a silicon rich oxynitride (SRON) trap layer was used as a charge trap layer. The trap layers were deposited by atomic layer deposition (ALD). The transistor with an SRO trap layer combined with a 3.5-nm-thick tunneling oxide layer yields the best electrical properties in terms of speed and retention. The device with an SRON trap layer yields slower programming/erasing behaviors and a lower retention owing to noncrystallites in the SRON thin film. (C) 2009 The Japan Society of Applied Physics
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页数:4
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