Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Reverse Schottky-Asymmetry Spin Current Detectors   By reversing the Schottky barrier-height asymmetry in hot-electron
semiconductor-metal-semiconductor ballistic spin filtering spin detectors, we
have achieved: 1. Demonstration of >50% spin polarization in silicon, resulting
from elimination of the ferromagnet/silicon interface on the transport channel
detector contact, and 2. Evidence of spin transport at temperatures as high as
260K, enabled by an increase of detector Schottky barrier height.

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The categories of this paper are: cmp-lg
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The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org
2
The categories of this paper are: math
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
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The categories of this paper are: stat
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The categories of this paper are: mtrl-th
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The categories of this paper are: atom-ph
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The categories of this paper are: eess
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The categories of this paper are: chem-ph
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The categories of this paper are: supr-con
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The categories of this paper are: chao-dyn
5
The categories of this paper are: gr-qc
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The categories of this paper are: alg-geom