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Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties. / Gimazov, Ilnur; Kiiamov, Airat; Sadakov, Andrey et al.
In: physica status solidi (b), Vol. 259, No. 10, 2100646, 01.10.2022, p. 2100646.

Research output: Contribution to journal › Article › peer-review

Harvard

Gimazov, I, Kiiamov, A, Sadakov, A, Lyadov, N, Chareev, D, Vasiliev, A & Talanov, Y 2022, 'Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties', physica status solidi (b), vol. 259, no. 10, 2100646, pp. 2100646. https://doi.org/10.1002/pssb.202100646

APA

Gimazov, I., Kiiamov, A., Sadakov, A., Lyadov, N., Chareev, D., Vasiliev, A., & Talanov, Y. (2022). Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties. physica status solidi (b), 259(10), 2100646. [2100646]. https://doi.org/10.1002/pssb.202100646

Vancouver

Gimazov I, Kiiamov A, Sadakov A, Lyadov N, Chareev D, Vasiliev A et al. Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties. physica status solidi (b). 2022 Oct 1;259(10):2100646. 2100646. doi: 10.1002/pssb.202100646

Author

Gimazov, Ilnur ; Kiiamov, Airat ; Sadakov, Andrey et al. / Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties. In: physica status solidi (b). 2022 ; Vol. 259, No. 10. pp. 2100646.

BibTeX

@article{1c32019aaeb5484db8cd3567ded4bb26,
title = "Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties",
abstract = "Precipitated phases, formed by spinodal decomposition during long-term storage in a desiccator in dry atmosphere, are found with the X-ray diffraction (XRD) study of Fe1+y Te1−x Se x crystals. Their compositions are deduced from the position of satellite Bragg reflections in the XRD pattern. In particular, in the Fe1.19Te0.58Se0.42 crystal, traces of phases with significantly higher tellurium content, namely Fe1+y Te0.9Se0.1 and FeTe, are found. The detection and analysis of side bands in the diffraction pattern of an aged crystal indicate spinodal decay. It leads to the formation of a modulated structure in the entire volume of the sample and to strain in the crystal structure. In turn, this results in a significant improvement in the superconducting characteristics. Specifically, the resistive transition narrows to 2 K at the onset temperature 14.5 K, and the superconducting volume fraction increases up to about 100%.",
keywords = "Fe-based superconductors, spinodal decompositions, superconducting transitions",
author = "Ilnur Gimazov and Airat Kiiamov and Andrey Sadakov and Nikolai Lyadov and Dmitriy Chareev and Aleksander Vasiliev and Yurii Talanov",
year = "2022",
month = oct,
day = "1",
doi = "10.1002/pssb.202100646",
language = "English",
volume = "259",
pages = "2100646",
journal = "physica status solidi (b)",
issn = "0370-1972",
publisher = "Wiley-VCH Verlag",
number = "10",

}

RIS

TY - JOUR

T1 - Temporal Spinodal Decomposition of the Fe 1+ y Te 1− x Se x Crystals and its Impact on Superconducting Properties

AU - Gimazov, Ilnur

AU - Kiiamov, Airat

AU - Sadakov, Andrey

AU - Lyadov, Nikolai

AU - Chareev, Dmitriy

AU - Vasiliev, Aleksander

AU - Talanov, Yurii

PY - 2022/10/1

Y1 - 2022/10/1

N2 - Precipitated phases, formed by spinodal decomposition during long-term storage in a desiccator in dry atmosphere, are found with the X-ray diffraction (XRD) study of Fe1+y Te1−x Se x crystals. Their compositions are deduced from the position of satellite Bragg reflections in the XRD pattern. In particular, in the Fe1.19Te0.58Se0.42 crystal, traces of phases with significantly higher tellurium content, namely Fe1+y Te0.9Se0.1 and FeTe, are found. The detection and analysis of side bands in the diffraction pattern of an aged crystal indicate spinodal decay. It leads to the formation of a modulated structure in the entire volume of the sample and to strain in the crystal structure. In turn, this results in a significant improvement in the superconducting characteristics. Specifically, the resistive transition narrows to 2 K at the onset temperature 14.5 K, and the superconducting volume fraction increases up to about 100%.

AB - Precipitated phases, formed by spinodal decomposition during long-term storage in a desiccator in dry atmosphere, are found with the X-ray diffraction (XRD) study of Fe1+y Te1−x Se x crystals. Their compositions are deduced from the position of satellite Bragg reflections in the XRD pattern. In particular, in the Fe1.19Te0.58Se0.42 crystal, traces of phases with significantly higher tellurium content, namely Fe1+y Te0.9Se0.1 and FeTe, are found. The detection and analysis of side bands in the diffraction pattern of an aged crystal indicate spinodal decay. It leads to the formation of a modulated structure in the entire volume of the sample and to strain in the crystal structure. In turn, this results in a significant improvement in the superconducting characteristics. Specifically, the resistive transition narrows to 2 K at the onset temperature 14.5 K, and the superconducting volume fraction increases up to about 100%.

KW - Fe-based superconductors

KW - spinodal decompositions

KW - superconducting transitions

UR - https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=tsmetrics&SrcApp=tsm_test&DestApp=WOS_CPL&DestLinkType=FullRecord&KeyUT=000805300800001

UR - http://www.scopus.com/inward/record.url?scp=85131178949&partnerID=8YFLogxK

U2 - 10.1002/pssb.202100646

DO - 10.1002/pssb.202100646

M3 - Article

VL - 259

SP - 2100646

JO - physica status solidi (b)

JF - physica status solidi (b)

SN - 0370-1972

IS - 10

M1 - 2100646

ER -

ID: 31040999