Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ferroelectric control of the spin texture in germanium telluride   The electrical manipulation of spins in semiconductors, without magnetic
fields or auxiliary ferromagnetic materials, represents the holy grail for
spintronics. The use of Rashba effect is very attractive because the
k-dependent spin-splitting is originated by an electric field. So far only tiny
effects in two-dimensional electron gases (2DEG) have been exploited. Recently,
GeTe has been predicted to have bulk bands with giant Rashba-like splitting,
originated by the inversion symmetry breaking due to ferroelectric
polarization. In this work, we show that GeTe(111) surfaces with inwards or
outwards ferroelectric polarizations display opposite sense of circulation of
spin in bulk Rashba bands, as seen by spin and angular resolved photoemission
experiments. Our results represent the first experimental demonstration of
ferroelectric control of the spin texture in a semiconductor, a fundamental
milestone towards the exploitation of the non-volatile electrically switchable
spin texture of GeTe in spintronic devices.

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The categories of this paper are: adap-org
13
The categories of this paper are: quant-ph
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The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
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The categories of this paper are: eess
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
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The categories of this paper are: econ
7
The categories of this paper are: hep-th
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The categories of this paper are: dg-ga
2
The categories of this paper are: math
32
The categories of this paper are: atom-ph
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The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg