Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Concurrent growth and formation of electrically contacted monolayer
  transition metal dichalcogenides on bulk metallic patterns   While new species and properties of two-dimensional (2D) materials are being
reported with extraordinary regularity, a significant bottleneck in the field
is the ability to controllably process material into working devices. We report
a chemical vapor deposition process to selectively grow 2D material in a
deterministic manner around lithographically defined bulk metallic patterns
which concurrently provide as-grown contacts to the material. Monolayer films,
with lateral extent of up to hundreds of microns are controllably grown on and
around patterned regions of transition metals. By using different combinations
of metallic pattern and oxide based precursor, heterostructured MoS2/WS2 growth
has been observed as well. The materials display strong luminescence, monolayer
Raman signatures, and relatively large crystal domains. In addition to
producing high optical quality monolayer material deterministically and
selectively over large regions, the metallic patterns remain conductive and
therefore have the advantage of providing as-grown metallic contacts to the
material, offering a path for simple device fabrication and large scale
production

23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
28
The categories of this paper are: alg-geom
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
3
The categories of this paper are: physics
31
The categories of this paper are: ao-sci
19
The categories of this paper are: eess
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th