Author:
Eklund Per,Rosen Johanna,Persson Per O Å
Abstract
Abstract
Inherently and artificially layered materials are commonly investigated both for
fundamental scientific purposes and for technological application. When a
layered material is thinned or delaminated to its physical limits, a
two-dimensional (2D) material is formed and exhibits novel properties compared
to its bulk parent phase. The complex layered phases known as ‘MAX
phases’ (where M = early transition metal,
A = A-group element, e.g. Al or Si, and
X = C or N) are an exciting model system for
materials design and the understanding of process-structure-property
relationships. When the A layers are selectively etched from the MAX phases, a
new type of 2D material is formed, named MXene to emphasize the relation to the
MAX phases and the parallel with graphene. Since their discovery in 2011, MXenes
have rapidly become established as a novel class of 2D materials with remarkable
possibilities for composition variations and property tuning. This article gives
a brief overview of MAX phases and MXene from a thin-film perspective, reviewing
theory, characterization by electron microscopy, properties and how these are
affected by the change in dimensionality, and outstanding challenges.
Funder
Vetenskapsrådet
European Research Council
Stiftelsen för Strategisk Forskning
Knut och Alice Wallenbergs Stiftelse
VINNOVA
Subject
Surfaces, Coatings and Films,Acoustics and Ultrasonics,Condensed Matter Physics,Electronic, Optical and Magnetic Materials
Cited by
243 articles.
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