Nonvolatile MoTe p-n Diodes for Optoelectronic Logics.

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ID: 44464
2019
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Abstract
Construction of atomically thin p-n junctions helps to build highly compact electronic and photonic devices for on-chip optoelectronic applications. In this work, lateral nonvolatile MoTe p-n diodes are constructed on the basis of the MoTe/h-BN/graphene semifloating gate field-effect transistor (SFG-FET) configuration. The achieved diodes exhibit excellent rectifying behaviors (rectification ratio up to 8 × 10) and typical photovoltaic properties (with power conversion efficiency of 0.5%). Through manipulating the polarity of the stored charges in the semifloating gate, such rectifying behaviors and photovoltaic properties can be erased, resulting in a high conduction state ( n -n junction). Such erasable and programmable behaviors further enable us to develop logic optoelectronic devices, realizing the switching of the device between different power conversion states and functional AND and OR optical logic gates. We believe that the achieved MoTe-based SFG-FET devices with interesting logic optoelectronic functions will enrich the modern photoelectrical interconnected circuits.
Reference Key
zhu2019nonvolatileacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhu, Chenguang;Sun, Xingxia;Liu, Huawei;Zheng, Biyuan;Wang, Xingwang;Liu, Ying;Zubair, Muhammad;Wang, Xiao;Zhu, Xiaoli;Li, Dong;Pan, Anlian;
Journal acs nano
Year 2019
DOI
10.1021/acsnano.9b02817
URL
Keywords
mote van der waals heterostructure diode logic optoelectronic device nonvolatile memory

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