Synergetic Behavior in 2D Layered Material/Complex Oxide Heterostructures

//Synergetic Behavior in 2D Layered Material/Complex Oxide Heterostructures

Heterostructures composed of a 2D layered material (2DLM) and complex transition metal oxides (TMO) provide a new platform for design, realization, and examination of artificial materials that are physically intriguing and technologically useful. An overview is presented for some of the examples, where various functional properties emerge at the novel 2DLM/TMO heterostructures. Abstract The marriage between a 2D layered material (2DLM) and a complex transition metal oxide (TMO) results in a variety of physical and chemical phenomena that cannot be achieved in either material alone. Interesting recent discoveries in systems such as graphene/SrTiO3, graphene/LaAlO3/SrTiO3, graphene/ferroelectric oxide, MoS2/SrTiO3, and FeSe/SrTiO3 heterostructures include voltage scaling in field‐effect transistors, charge state coupling across an interface, quantum conductance probing of the electrochemical activity, novel memory functions based on charge traps, and greatly enhanced superconductivity. In this context, various properties and functionalities appearing in numerous different 2DLM/TMO heterostructure systems are reviewed. The results imply that the multidimensional heterostructure approach based on the disparate material systems leads to an entirely new platform for the study of condensed matter physics and materials science. The heterostructures are also highly relevant technologically as each constituent material is a promising candidate for next‐generation optoelectronic devices.

Published in: "Advanced Materials".

2019-01-01T22:34:47+00:00January 1st, 2019|Categories: Publications|Tags: , , , |
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