Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Room temperature multiferroism in polycrystalline thin films of gallium
  ferrite   Sol-gel deposited (010) textured polycrystalline thin films of gallium
ferrite (GaFeO3 or GFO) on n-Si(100) and Pt/Si(111) substrates are
characterized for room temperature multiferroism. Structural characterization
using X-ray diffraction and Raman spectroscopy confirms formation of single
phase with nano-sized crystallites. Temperature dependent magnetization study
demonstrates ferri to paramagnetic transition at ~300 K. Room temperature
piezoresponse force microscopic analysis reveals local 180 degree phase
switching of ferroelectric domains at very high coercive field EC, ~ 1350 kV/cm
consistent with recent experimental and first-principles studies. Our study
opens up possibility of integrating polycrystalline GFO in novel room
temperature multiferroic devices.

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The categories of this paper are: hep-lat
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The categories of this paper are: atom-ph
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The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
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The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
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The categories of this paper are: cs
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The categories of this paper are: acc-phys
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The categories of this paper are: solv-int
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The categories of this paper are: gr-qc
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The categories of this paper are: alg-geom
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The categories of this paper are: eess
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The categories of this paper are: nucl-th
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The categories of this paper are: bayes-an
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The categories of this paper are: dg-ga
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The categories of this paper are: stat