  With many fantastic properties, memristive devices have been proposed as top
candidate for next-generation memory and neuromorphic computing chips.
Significant research progresses have been made in improving performance of
individual memristive devices and in demonstrating functional applications
based on small-scale memristive crossbar arrays. However, practical deployment
of large-scale traditional metal oxides based memristive crossbar array has
been challenging due to several issues, such as high-power consumption, poor
device reliability, low integration density and so on. To solve these issues,
new materials that possess superior properties are required. Two-dimensional
(2D) layered materials exhibit many unique physical properties and show great
promise in solving these challenges, further providing new opportunities to
implement practical applications in neuromorphic computing. Here, recent
research progress on 2D layered materials based memristive device applications
is reviewed. We provide an overview of the progresses and challenges on how 2D
layered materials are used to solve the issues of conventional memristive
devices and to realize more complex functionalities in neuromorphic computing.
Besides, we also provide an outlook on exploitation of unique properties of 2D
layered materials and van der Waals heterostructures for developing new types
of memristive devices and artificial neural mircrocircuits.
