Positron annihilation studies of defect structure of (TiZrHfNbV)N nitride coatings under Xe $^{14+}$ 200 MeV ion irradiation

Pogrebnjak, A. D.*; Bagdasaryan, A. A.*; Horodeck, P.*; Tarelnyk, V.*; Buranich, V. V.*; Amekura, Hiroshi*; Okubo, Nariaki ; Ishikawa, Norito ; Beresnev, V. M.*

Positron annihilation spectroscopy (PAS) of ion-irradiated (TiZrHfNbV)N nitride which is a high-entropy alloy-based material indicates that the vacancy-defects are the dominant defects type. Although the specimens are irradiated up to 510 $^{13}$ ions/cm $^{2}$ no amorphization or intermetallic phase formation is detected after the irradiation, demonstrating the radiation tolerance of the high-entropy alloys.

Language	:	English
Journal	:	Materials Letters
Volume	:	303
Number	:
Pages	:	p.130548_1 - 130548_4
Publication Year/Month	:	2021/11
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Paper URL	:	https://doi.org/10.1016/j.matlet.2021.130548
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	イオン照射; ハイエントロピー合金; 照射損傷
Research Facility	:	タンデム加速器
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Registration No. : AA20210601
JAEA Abstracts No. :
Paper Submission No. : 28946

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Positron annihilation studies of defect structure of (TiZrHfNbV)N nitride coatings under Xe 200 MeV ion irradiation

Positron annihilation studies of defect structure of (TiZrHfNbV)N nitride coatings under Xe $^{14+}$ 200 MeV ion irradiation