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Er implantation into various cuts of ZnO - experimental study and DFT modelling

SYSNO ASEP	0520885
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Er implantation into various cuts of ZnO - experimental study and DFT modelling
Author(s)	Nekvindová, P. (CZ) Cajzl, J. (CZ) Macková, Anna (UJF-V)_{RID, ORCID, SAI} Malinský, Petr (UJF-V)_{RID, ORCID, SAI} Oswald, Jiří (FZU-D)_{RID, ORCID} Bottger, R. (DE) Yatskiv, Roman (URE-Y)_{RID, ORCID}
Number of authors	7
Article number	152455
Source Title	Journal of Alloys and Compounds. - : Elsevier - ISSN 0925-8388 Roč. 816, č. 3 (2020)
Number of pages	14 s.
Publication form	Print - P
Language	eng - English
Country	CH - Switzerland
Keywords	Erbium ; ZnO ; Ion implantation ; Density functional theory modelling ; Rutherford backscattering spectroscopy
Subject RIV	BG - Nuclear, Atomic and Molecular Physics, Colliders
OECD category	Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics
Subject RIV - cooperation	Institute of Physics - Inorganic Chemistry Institute of Radio Engineering and Electronics - Electronics ; Optoelectronics, Electrical Engineering
R&D Projects	GA18-03346S GA ČR - Czech Science Foundation (CSF)
	EF16_013/0001812 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Method of publishing	Limited access
Institutional support	UJF-V - RVO:61389005 ; FZU-D - RVO:68378271 ; URE-Y - RVO:67985882
UT WOS	000503725300059
EID SCOPUS	85073993437
DOI	10.1016/j.jallcom.2019.152455
Annotation	his paper presents a DFT study of the positions of erbium ions in the ZnO structure as well as experimental study of Er ion implantation into different crystallographic cuts of ZnO. The theoretical simulations have compared cohesive energies and defect-formation energies for different Er positions in the wurtzite ZnO structure. In the experimental part, single-crystal ZnO substrates were implanted with Er+ ions at an energy of 190 keV using fluences of 1 x 10(16) and 5 x 10(16) ion.cm(-2). The ion implantation was followed by the application of the thermal annealing in oxygen atmosphere at 1000 degrees C for 5 h. The RBS/channelling method with fine scans was used to study the positions of erbium ions and structure recovery during the annealing process. The Er-doped ZnO samples exhibited clear luminescence in the NIR spectral region at around 1.5 mu m. This work provides new results on the comparison of erbium ion implantation into different polar and non-polar crystallographic cuts of ZnO, resulting in different luminescence properties of the samples. Experimental and theoretical results are compared as well.
Workplace	Nuclear Physics Institute
Contact	Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228
Year of Publishing	2021
Electronic address	https://doi.org/10.1016/j.jallcom.2019.152455

Number of the records: 1