Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Laser-ablation-assisted SF6 decomposition for extensive and controlled
  fluorination of graphene   We present a safe, clean, convenient, and easy-to-control method for
extensive fluorination of graphene using laser-ablation-assisted decomposition
of gaseous SF6 molecules.

35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
0
The categories of this paper are: hep-ph
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ