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AIP Publishing
APL Materials
,  volume 12 ,  issue 10 ,  publication number 101121

Spin valve as THz emitter providing amplitude modulation

Publication type: Journal Article
Publication date: 2024-10-01
AIP Publishing
scimago Q1
wos Q2
SJR: 1.124
CiteScore: 7.9
Impact factor: 4.5
ISSN: 2166532X
Abstract

We present a novel spin-valve THz emitter composed of FeCo/TbCo2/FeCo tri-layers separated by a copper spacer, designed to provide amplitude modulation of THz radiation. The distinct coercivities of the magnetic layers enable magnetic field control of the THz emission, with the final amplitude formed by the interference of THz waves from the individual tri-layers. Experimental studies using time-domain spectroscopy reveal that the spin-valve structure, optimized for in-plane magnetic anisotropy, effectively modulates the THz signal and maintains constant polarization. Although the current optical-to-THz conversion efficiency is insufficient for commercial use, the findings offer crucial insights for enhancing efficiency through structural optimization, highlighting the potential for advanced THz emitters and modulators.

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GOST Copy
Buryakov A. et al. Spin valve as THz emitter providing amplitude modulation // APL Materials. 2024. Vol. 12. No. 10. 101121
GOST all authors (up to 50) Copy
Buryakov A., Mishina E., Lebedeva E., Avdeev P., Tiercelin N., Ovcharenko S., Gorbatova A. V., Klimov A., Sigov A. S., Preobrazhensky V. Spin valve as THz emitter providing amplitude modulation // APL Materials. 2024. Vol. 12. No. 10. 101121
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/5.0221982
UR - https://pubs.aip.org/apm/article/12/10/101121/3317919/Spin-valve-as-THz-emitter-providing-amplitude
TI - Spin valve as THz emitter providing amplitude modulation
T2 - APL Materials
AU - Buryakov, Arseniy
AU - Mishina, Elena
AU - Lebedeva, Ekaterina
AU - Avdeev, Pavel
AU - Tiercelin, Nicolas
AU - Ovcharenko, Sergei
AU - Gorbatova, Anastasia V
AU - Klimov, A
AU - Sigov, Alexander S.
AU - Preobrazhensky, V.
PY - 2024
DA - 2024/10/01
PB - AIP Publishing
IS - 10
VL - 12
SN - 2166-532X
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2024_Buryakov,
author = {Arseniy Buryakov and Elena Mishina and Ekaterina Lebedeva and Pavel Avdeev and Nicolas Tiercelin and Sergei Ovcharenko and Anastasia V Gorbatova and A Klimov and Alexander S. Sigov and V. Preobrazhensky},
title = {Spin valve as THz emitter providing amplitude modulation},
journal = {APL Materials},
year = {2024},
volume = {12},
publisher = {AIP Publishing},
month = {oct},
url = {https://pubs.aip.org/apm/article/12/10/101121/3317919/Spin-valve-as-THz-emitter-providing-amplitude},
number = {10},
pages = {101121},
doi = {10.1063/5.0221982}
}