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Open access
Springer Nature
Scientific Reports
,  volume 11 ,  issue 1 ,  publication number 1587

Non-local terahertz photoconductivity in the topological phase of Hg1−xCdxTe

Publication type: Journal Article
Publication date: 2021-01-15
Springer Nature
scimago Q1
wos Q1
SJR: 0.874
CiteScore: 6.7
Impact factor: 3.9
ISSN: 20452322
Multidisciplinary
Abstract

We report on observation of strong non-local photoconducitivity induced by terahertz laser pulses in non-zero magnetic field in heterostructures based on Hg1−xCdxTe films being in the topological phase. While the zero-field non-local photoconductivity is negligible, it is strongly enhanced in magnetic fields ~ 0.05 T resulting in appearance of an edge photocurrent that exceeds the respective dark signal by orders of magnitude. This photocurrent is chiral, and the chirality changes every time the magnetic field or the electric bias is reversed. Appearance of the non-local terahertz photoconductivity is attributed to features of the interface between the topological film and the trivial buffer.

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GOST Copy
Kazakov A. S. et al. Non-local terahertz photoconductivity in the topological phase of Hg1−xCdxTe // Scientific Reports. 2021. Vol. 11. No. 1. 1587
GOST all authors (up to 50) Copy
Kazakov A. S., Galeeva A. V., Artamkin A. I., Ikonnikov A. V., Ryabova L. I., Dvoretsky S. A., Mikhailov N. N., Bannikov M. I., Danilov S., Khokhlov D. R. Non-local terahertz photoconductivity in the topological phase of Hg1−xCdxTe // Scientific Reports. 2021. Vol. 11. No. 1. 1587
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/s41598-021-81099-6
UR - https://doi.org/10.1038/s41598-021-81099-6
TI - Non-local terahertz photoconductivity in the topological phase of Hg1−xCdxTe
T2 - Scientific Reports
AU - Kazakov, A S
AU - Galeeva, A V
AU - Artamkin, A I
AU - Ikonnikov, A V
AU - Ryabova, L I
AU - Dvoretsky, S. A.
AU - Mikhailov, N. N.
AU - Bannikov, M. I.
AU - Danilov, S.N
AU - Khokhlov, D R
PY - 2021
DA - 2021/01/15
PB - Springer Nature
IS - 1
VL - 11
PMID - 33452348
SN - 2045-2322
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2021_Kazakov,
author = {A S Kazakov and A V Galeeva and A I Artamkin and A V Ikonnikov and L I Ryabova and S. A. Dvoretsky and N. N. Mikhailov and M. I. Bannikov and S.N Danilov and D R Khokhlov},
title = {Non-local terahertz photoconductivity in the topological phase of Hg1−xCdxTe},
journal = {Scientific Reports},
year = {2021},
volume = {11},
publisher = {Springer Nature},
month = {jan},
url = {https://doi.org/10.1038/s41598-021-81099-6},
number = {1},
pages = {1587},
doi = {10.1038/s41598-021-81099-6}
}