Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Evidence for Kinetic Limitations as a Controlling Factor of Ge Pyramid
  Formation: a Study of Structural Features of Ge/Si(001) Wetting Layer Formed
  by Ge Deposition at Room Temperature Followed by Annealing at 600 {\deg}C
35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
31
The categories of this paper are: ao-sci
18
The categories of this paper are: econ
10
The categories of this paper are: q-bio
3
The categories of this paper are: physics
1
The categories of this paper are: cs
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
12
The categories of this paper are: nucl-th