Nanostructure and Optical Property Tailoring of Zinc Tin Nitride Thin Films through Phenomenological Decoupling : A Pathway to Enhanced Control
© 2024 The Authors. Published by American Chemical Society..
This work addresses the need for precise control of thin film sputtering processes to enable thin film material tailoring on the example of zinc tin nitride (ZTN) thin films deposited via microwave plasma-assisted high power reactive magnetron sputtering (MAR-HiPIMS). The applied in situ diagnostic techniques (Langmuir probe and energy-resolved time-of-flight mass spectrometry) supported monitoring changes in the deposition environment with respect to microwave (MW) power. During MAR-HiPIMS, the presence of nitride ions in the gas phase (ZnN+, ZnN2+, SnN+, SnN2+) was detected. This indicates that the MW plasma facilitated their production, as opposed to pure R-HiPIMS. Additionally, MW plasma caused post-ionisation of sputtered atoms and reduced the overall energy-per-charge range of incoming charged species. By varying the MW power and substrate biasing, films with comparable chemical compositions (approximately Zn0.92Sn1.08N2) but different structures, ranging from polycrystalline to preferentially textured, were successfully produced. The application of density functional theory (DFT) further enabled the relationship between the lattice parameters and the optical properties of ZTN to be explored, where the material's optical anisotropy nature was determined. It was found that despite considerable differences in crystallinity, the changes induced in the lattice parameters were subangstrom, causing only minor changes in the final optical properties of ZTN.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:7 |
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| Enthalten in: |
ACS applied nano materials - 7(2024), 6 vom: 22. März, Seite 6242-6252 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hain, Caroline [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 29.03.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/acsanm.3c06178 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370340418 |
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| 245 | 1 | 0 | |a Nanostructure and Optical Property Tailoring of Zinc Tin Nitride Thin Films through Phenomenological Decoupling |b A Pathway to Enhanced Control |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2024 The Authors. Published by American Chemical Society. | ||
| 520 | |a This work addresses the need for precise control of thin film sputtering processes to enable thin film material tailoring on the example of zinc tin nitride (ZTN) thin films deposited via microwave plasma-assisted high power reactive magnetron sputtering (MAR-HiPIMS). The applied in situ diagnostic techniques (Langmuir probe and energy-resolved time-of-flight mass spectrometry) supported monitoring changes in the deposition environment with respect to microwave (MW) power. During MAR-HiPIMS, the presence of nitride ions in the gas phase (ZnN+, ZnN2+, SnN+, SnN2+) was detected. This indicates that the MW plasma facilitated their production, as opposed to pure R-HiPIMS. Additionally, MW plasma caused post-ionisation of sputtered atoms and reduced the overall energy-per-charge range of incoming charged species. By varying the MW power and substrate biasing, films with comparable chemical compositions (approximately Zn0.92Sn1.08N2) but different structures, ranging from polycrystalline to preferentially textured, were successfully produced. The application of density functional theory (DFT) further enabled the relationship between the lattice parameters and the optical properties of ZTN to be explored, where the material's optical anisotropy nature was determined. It was found that despite considerable differences in crystallinity, the changes induced in the lattice parameters were subangstrom, causing only minor changes in the final optical properties of ZTN | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Wieczerzak, Krzysztof |e verfasserin |4 aut | |
| 700 | 1 | |a Casari, Daniele |e verfasserin |4 aut | |
| 700 | 1 | |a Sharma, Amit |e verfasserin |4 aut | |
| 700 | 1 | |a Xomalis, Angelos |e verfasserin |4 aut | |
| 700 | 1 | |a Sturm, Patrick |e verfasserin |4 aut | |
| 700 | 1 | |a Michler, Johann |e verfasserin |4 aut | |
| 700 | 1 | |a Hessler-Wyser, Aïcha |e verfasserin |4 aut | |
| 700 | 1 | |a Nelis, Thomas |e verfasserin |4 aut | |
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| 856 | 4 | 0 | |u http://dx.doi.org/10.1021/acsanm.3c06178 |3 Volltext |
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