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Abstract:
一种基于二维平面异质结增强型场效应管的制备方法,涉及微电子器件应用领域。采用湿法转移,将石墨烯膜转移至带有氧化层的单晶硅片衬底上;在石墨烯膜上进行均匀旋涂光刻胶,将图案通过曝光转移至光刻胶上;将石墨烯膜刻蚀成石墨烯条,去光刻胶处理;将这种带有石墨烯条的衬底作为生长的基底,以CVD法进行生长MX2类单层或者少层材料,形成石墨烯‑MX2‑石墨烯面内异质结;在石墨烯‑MX2‑石墨烯异质结上蒸镀沉积Ti/Au金属,制得二维平面异质结增强型场效应管。本发明结合高载流子迁移率的半金属材料石墨烯与带隙随层数变化可调的MX2二维材料,获得高开关比的场效应管并且用于光电探测时具有暗电流很小等优良特性。
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Patent Info :
Type: 发明申请
Patent No.: CN201710985285.2
Filing Date: 2017-10-20
Publication Date: 2018-03-20
Pub. No.: CN107818921A
Applicants: 北京工业大学
Legal Status: 撤回-主动撤回
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 4
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