Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mapping electronic reconstruction at the metal/insulator interfaces in
  \ce{LaVO_3/SrVO_3} heterostructures   A \ce{(LaVO_3)_6/(SrVO_3)_3} superlattice is studied with a combination of
sub-{\AA} resolved scanning transmission electron microscopy and monochromated
electron energy-loss spectroscopy. The V oxidation state is mapped with atomic
spatial resolution enabling to investigate electronic reconstruction at the
\ce{LaVO_3}/\ce{SrVO_3} interfaces. Surprisingly, asymmetric charge
distribution is found at adjacent chemically symmetric interfaces. The local
structure is proposed and simulated with double channeling calculation which
agrees qualitatively with our experiment. We demonstrate that local strain
asymmetry is the likely cause of the electronic asymmetry of the interfaces.
The electronic reconstruction at the interfaces extends much further than the
chemical composition, varying from 0.5 to 1.2 nm. This distance corresponds to
the length of charge transfer previously found in the
\ce{(LaVO_3)_m}/\ce{(SrVO_3)_n} metal/insulating and the
\ce{(LaAlO_3)_m}/\ce{(SrTiO_3)_n} insulating/insulating interfaces.

1
The categories of this paper are: cs
18
The categories of this paper are: econ
34
The categories of this paper are: chem-ph
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
16
The categories of this paper are: stat
24
The categories of this paper are: dg-ga
12
The categories of this paper are: nucl-th
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
8
The categories of this paper are: hep-ex
2
The categories of this paper are: math