Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electronic and magnetic properties of two-dimensional Li$_{3}$N   Using first-principles plane-wave calculations study of electronic and
magnetic properties of hypothetical two-dimensional structure of Li$_{2}$N
compound have been conducted. Calculations show, that electronic properties of
this this structure can be inflenced by hydrogenation, which may change the
system from wide-gap semiconductor to metal. Also, non-zero magnetic moment,
equal to 1 $\mu_{B}$ can be generated by intruduction of H vacanies in
hydrogenated structure.

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The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
2
The categories of this paper are: math
37
The categories of this paper are: supr-con
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph