Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Low temperature metallic state induced by electrostatic carrier doping
  of SrTiO$_3$   Transport properties of SrTiO$_3$-channel field-effect transistors with
parylene organic gate insulator have been investigated. By applying gate
voltage, the sheet resistance falls below $R_{\Box}$ $\sim$ 10 k$\Omega$ at low
temperatures, with carrier mobility exceeding 1000 cm$^2$/Vs. The temperature
dependence of the sheet resistance taken under constant gate voltage exhibits
metallic behavior ($dR$/$dT$ $>$ 0). Our results demonstrate an insulator to
metal transition in SrTiO$_3$ driven by electrostatic carrier density control.

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The categories of this paper are: q-fin
19
The categories of this paper are: eess
1
The categories of this paper are: cs
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex