HIGH-MOBILITY BOTTOM-GATE THIN-FILM TRANSISTORS WITH LASER-CRYSTALLIZED AND HYDROGEN-RADICAL-ANNEALED POLYSILICON FILMS

被引:25
作者
SHIMIZU, K
HOSOYA, H
SUGIURA, O
MATSUMURA, M
机构
[1] Department of Physical Electronics, Tokyo Institute of Technology, Tokyo, 152, O-okayama, Meguro-ku
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 1991年 / 30卷 / 12B期
关键词
BOTTOM-GATE THIN-FILM TRANSISTOR; POLYSILICON; LASER CRYSTALLIZATION; POSTHYDROGENATION; PHOTOGENERATED HYDROGEN-RADICAL ANNEALING;
D O I
10.1143/JJAP.30.3704
中图分类号
O59 [应用物理学];
学科分类号
摘要
High-performance bottom-gate thin-film transistors (TFTs) have been realized with excimer-laser-crystallized polysilicon films, for the first time. TFT characteristics were greatly dependent on the silicon film thickness as well as the pulsed-laser energy density. It was found also that posthydrogenation based on hydrogen-radical annealing improves the TFT characteristics drastically. The field-effect mobilities exceeded 220 cm2/Vs for electrons and 140 cm2/Vs for holes, respectively.
引用
收藏
页码:3704 / 3709
页数:6
相关论文
共 13 条
[11]   CMOS CIRCUITS FOR PERIPHERAL CIRCUIT INTEGRATED POLY-SI TFT LCD FABRICATED AT LOW-TEMPERATURE BELOW 600-DEGREES-C [J].
TAKABATAKE, M ;
OHWADA, J ;
ONO, YA ;
ONO, K ;
MIMURA, A ;
KONISHI, N .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 1991, 38 (06) :1303-1309
[12]   HYDROGEN-RADICAL ANNEALING OF CHEMICAL VAPOR-DEPOSITED AMORPHOUS-SILICON FILMS [J].
UCHIDA, Y ;
KANOH, H ;
SUGIURA, O ;
MATSUMURA, M .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1990, 29 (12) :L2171-L2173
[13]   A FULL-COLOR LCD ADDRESSED BY POLY-SI TFTS FABRICATED BELOW 450-DEGREES-C [J].
YUKI, M ;
MASUMO, K ;
KUNIGITA, M .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 1989, 36 (09) :1934-1937