Open Access
Nanomaterials, volume 11, issue 1, pages 64
Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure
Yanilkin Igor
1
,
Mohammed Mustafa M
1, 2
,
Gumarov A I
1, 3
,
KIIAMOV A. G.
1
,
Yusupov Roman V.
1
,
Tagirov L.R.
1, 3
2
Department of Physics, Faculty of Science, Minia University, Minia 61519, Egypt
|
Publication type: Journal Article
Publication date: 2020-12-29
PubMed ID:
33383847
General Chemical Engineering
General Materials Science
Abstract
A thin-film superconductor(S)/ferromagnet(F) F1/S/F2-type Pd0.96Fe0.04(20 nm)/VN(30 nm)/Pd0.92Fe0.08(12 nm) heteroepitaxial structure was synthesized on (001)-oriented single-crystal MgO substrate utilizing a combination of the reactive magnetron sputtering and the molecular-beam epitaxy techniques in ultrahigh vacuum conditions. The reference VN film, Pd0.96Fe0.04/VN, and VN/Pd0.92Fe0.08 bilayers were grown in one run with the target sample. In-situ low-energy electron diffraction and ex-situ X-ray diffraction investigations approved that all the Pd1−xFex and VN layers in the series grew epitaxial in a cube-on-cube mode. Electric resistance measurements demonstrated sharp transitions to the superconducting state with the critical temperature reducing gradually from 7.7 to 5.4 K in the sequence of the VN film, Pd0.96Fe0.04/VN, VN/Pd0.92Fe0.08, and Pd0.96Fe0.04/VN/Pd0.92Fe0.08 heterostructures due to the superconductor/ferromagnet proximity effect. Transition width increased in the same sequence from 21 to 40 mK. Magnetoresistance studies of the trilayer Pd0.96Fe0.04/VN/Pd0.92Fe0.08 sample revealed a superconducting spin-valve effect upon switching between the parallel and antiparallel magnetic configurations, and anomalies associated with the magnetic moment reversals of the ferromagnetic Pd0.92Fe0.08 and Pd0.96Fe0.04 alloy layers. The moderate critical temperature suppression and manifestations of superconducting spin-valve properties make this kind of material promising for superconducting spintronics applications.
Citations by journals
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1
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Physical Review Materials
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1 publication, 16.67%
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Beilstein Journal of Nanotechnology
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1 publication, 16.67%
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Physical Review B
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1 publication, 16.67%
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Journal of Semiconductors
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1 publication, 16.67%
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1
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Citations by publishers
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1
2
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American Physical Society (APS)
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American Physical Society (APS)
2 publications, 33.33%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 33.33%
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Beilstein-Institut
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Beilstein-Institut
1 publication, 16.67%
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IOP Publishing
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IOP Publishing
1 publication, 16.67%
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1
2
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Yanilkin I. et al. Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure // Nanomaterials. 2020. Vol. 11. No. 1. p. 64.
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Yanilkin I., Mohammed M. M., Gumarov A. I., KIIAMOV A. G., Yusupov R. V., Tagirov L. Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure // Nanomaterials. 2020. Vol. 11. No. 1. p. 64.
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TY - JOUR
DO - 10.3390/nano11010064
UR - https://doi.org/10.3390%2Fnano11010064
TI - Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure
T2 - Nanomaterials
AU - Yanilkin, Igor
AU - Mohammed, Mustafa M
AU - Gumarov, A I
AU - KIIAMOV, A. G.
AU - Yusupov, Roman V.
AU - Tagirov, L.R.
PY - 2020
DA - 2020/12/29 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 64
IS - 1
VL - 11
PMID - 33383847
SN - 2079-4991
ER -
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@article{2020_Yanilkin,
author = {Igor Yanilkin and Mustafa M Mohammed and A I Gumarov and A. G. KIIAMOV and Roman V. Yusupov and L.R. Tagirov},
title = {Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure},
journal = {Nanomaterials},
year = {2020},
volume = {11},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {dec},
url = {https://doi.org/10.3390%2Fnano11010064},
number = {1},
pages = {64},
doi = {10.3390/nano11010064}
}
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Yanilkin, Igor, et al. “Synthesis, Characterization, and Magnetoresistive Properties of the Epitaxial Pd0.96Fe0.04/VN/Pd0.92Fe0.08 Superconducting Spin-Valve Heterostructure.” Nanomaterials, vol. 11, no. 1, Dec. 2020, p. 64. https://doi.org/10.3390%2Fnano11010064.