Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Swift heavy ion irradiation of GaSb: from ion tracks to nano-porous
  networks   Ion track formation, amorphisation, and the formation of porosity in
crystalline GaSb induced by 185 MeV $^{197}$Au swift heavy ion irradiation is
investigated as a function of fluence and irradiation angle relative to the
surface normal. RBS/C and SAXS reveal an ion track radius between 3 nm and 5
nm. The observed pore morphology and saturation swelling of GaSb films shows a
strong irradiation angle dependence. Raman spectroscopy and scanning electron
microscopy show that the ion tracks act as a source of strain in the material
leading to macroscopic plastic flow at high fluences and off normal
irradiation. The results are consistent with the ion hammering model for
glasses. Furthermore, wide angle X-ray scattering reveals the formation of nano
crystallites inside otherwise amorphous GaSb after the onset of porosity.

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The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
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The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
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The categories of this paper are: eess
16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
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The categories of this paper are: q-alg
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The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph