Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Interface hole-doping in cuprate-titanate superlattices   The electronic structure of interfaces between YBa$_2$Cu$_3$O$_6$ and
SrTiO$_3$ is studied using local spin density approximation (LSDA) with
intra-atomic Coulomb repulsion (LSDA+U). We find a metallic state in
cuprate/titanate heterostructures with the hole carriers concentrated
substantially in the CuO$_2$-layers and in the first interface TiO$_2$ and SrO
planes. This effective interface doping appears due to the polarity of
interfaces, caused by the first incomplete copper oxide unit cell.
Interface-induced high pre-doping of CuO$_2$-layers is a key mechanism
controlling the superconducting properties in engineered field-effect devices
realized on the basis of cuprate/titanate superlattices.

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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: cs
35
The categories of this paper are: mtrl-th
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The categories of this paper are: gr-qc
23
The categories of this paper are: solv-int
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The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
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The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
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The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
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The categories of this paper are: hep-lat