Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Superconducting Dome in Nd$_{1-x}$Sr$_x$NiO$_2$ Infinite Layer Films   We report the phase diagram of Nd$_{1-x}$Sr$_x$NiO$_2$ infinite layer thin
films grown on SrTiO$_3$. A superconducting dome spanning $0.125 < x < 0.25$ is
found, remarkably similar to cuprates, albeit over a narrower doping window.
However, while cuprate superconductivity is bounded by an insulator for
underdoping and a metal for overdoping, here we observe weakly insulating
behavior on either side of the dome. Furthermore, the normal state Hall
coefficient is always small and proximate to a continuous zero crossing in
doping and in temperature, in contrast to the $\sim 1/x$ dependence observed
for cuprates. This suggests the presence of both electron- and hole-like bands,
consistent with band structure calculations.

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The categories of this paper are: atom-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: stat
6
The categories of this paper are: astro-ph
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The categories of this paper are: eess
27
The categories of this paper are: comp-gas
1
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: cmp-lg
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The categories of this paper are: alg-geom
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The categories of this paper are: econ
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The categories of this paper are: ao-sci
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The categories of this paper are: q-fin
2
The categories of this paper are: math
21
The categories of this paper are: adap-org
0
The categories of this paper are: hep-ph