Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ferroic orders in two-dimensional transition/rare-earth metal halides   Since the discovery of graphene, two-dimensional materials with atomic level
thickness have rapidly grown to be a prosperous field of physical science with
interdisciplinary interests, for their fascinating properties and broad
applications. Very recently, the experimental observation of ferromagnetism in
Cr$_2$Ge$_2$Te$_6$ bilayer and CrI$_3$ monolayer opened a door to pursuit
long-absent intrinsic magnetic orders in two-dimensional materials. Meanwhile,
the ferroelectricity was also experimentally found in SnTe monolayer and
CuInP$_2$S$_6$ few layers. The emergence of these ferroic orders in the
two-dimensional limit not only brings new challenges to our physical knowledge,
but also provides more functionalities for potential applications. Among
various two-dimensional ferroic ordered materials, transition/rare-earth metal
halides and their derivants are very common. In this Research Update, based on
transition/rare-earth metal halides, the physics of various ferroic orders in
two-dimensional will be illustrated. The potential applications based on their
magnetic and polar properties will also be discussed.

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The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
8
The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
17
The categories of this paper are: q-fin
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
29
The categories of this paper are: funct-an
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex