Combinatorial Nitrogen Gradients in Sputtered Thin Films
Abstract
High-throughput synthesis and characterization methods can significantly accelerate the rate of experimental research. For physical vapor deposition (PVD), these methods include combinatorial sputtering with intentional gradients of metal/metalloid composition, temperature, and thickness across the substrate. However, many other synthesis parameters still remain out of reach for combinatorial methods. Here, we extend combinatorial sputtering parameters to include gradients of gaseous elements in thin films. Specifically, a nitrogen gradient was generated in a thin film sample library by placing two MnTe sputtering sources with different gas flows (Ar and Ar/N2) opposite of one another during the synthesis. The nitrogen content gradient was measured along the sample surface, correlating with the distance from the nitrogen source. The phase, composition, and optoelectronic properties of the resulting thin films change as a function of the nitrogen content. Furthermore, this work shows that gradients of gaseous elements can be generated in thin films synthesized by sputtering, expanding the boundaries of combinatorial science.
- Authors:
-
- Fudan Univ., Shanghai (China); National Renewable Energy Lab. (NREL), Golden, CO (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Oregon State Univ., Corvallis, OR (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States); Colorado School of Mines, Golden, CO (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Fudan Univ., Shanghai (China)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Center for Next Generation of Materials by Design: Incorporating Metastability (CNGMD); National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1461860
- Report Number(s):
- NREL/JA-5K00-71391
Journal ID: ISSN 2156-8952
- Grant/Contract Number:
- AC36-08GO28308
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Combinatorial Science
- Additional Journal Information:
- Journal Volume: 20; Journal Issue: 7; Journal ID: ISSN 2156-8952
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 36 MATERIALS SCIENCE; combinatorial sputtering; thin films; nitrogen gradient
Citation Formats
Han, Yanbing, Matthews, Bethany, Roberts, Dennice, Talley, Kevin R., Bauers, Sage R., Perkins, Craig, Zhang, Qun, and Zakutayev, Andriy A. Combinatorial Nitrogen Gradients in Sputtered Thin Films. United States: N. p., 2018.
Web. doi:10.1021/acscombsci.8b00035.
Han, Yanbing, Matthews, Bethany, Roberts, Dennice, Talley, Kevin R., Bauers, Sage R., Perkins, Craig, Zhang, Qun, & Zakutayev, Andriy A. Combinatorial Nitrogen Gradients in Sputtered Thin Films. United States. https://doi.org/10.1021/acscombsci.8b00035
Han, Yanbing, Matthews, Bethany, Roberts, Dennice, Talley, Kevin R., Bauers, Sage R., Perkins, Craig, Zhang, Qun, and Zakutayev, Andriy A. Thu .
"Combinatorial Nitrogen Gradients in Sputtered Thin Films". United States. https://doi.org/10.1021/acscombsci.8b00035. https://www.osti.gov/servlets/purl/1461860.
@article{osti_1461860,
title = {Combinatorial Nitrogen Gradients in Sputtered Thin Films},
author = {Han, Yanbing and Matthews, Bethany and Roberts, Dennice and Talley, Kevin R. and Bauers, Sage R. and Perkins, Craig and Zhang, Qun and Zakutayev, Andriy A.},
abstractNote = {High-throughput synthesis and characterization methods can significantly accelerate the rate of experimental research. For physical vapor deposition (PVD), these methods include combinatorial sputtering with intentional gradients of metal/metalloid composition, temperature, and thickness across the substrate. However, many other synthesis parameters still remain out of reach for combinatorial methods. Here, we extend combinatorial sputtering parameters to include gradients of gaseous elements in thin films. Specifically, a nitrogen gradient was generated in a thin film sample library by placing two MnTe sputtering sources with different gas flows (Ar and Ar/N2) opposite of one another during the synthesis. The nitrogen content gradient was measured along the sample surface, correlating with the distance from the nitrogen source. The phase, composition, and optoelectronic properties of the resulting thin films change as a function of the nitrogen content. Furthermore, this work shows that gradients of gaseous elements can be generated in thin films synthesized by sputtering, expanding the boundaries of combinatorial science.},
doi = {10.1021/acscombsci.8b00035},
journal = {ACS Combinatorial Science},
number = 7,
volume = 20,
place = {United States},
year = {2018},
month = {5}
}
Web of Science
Figures / Tables:

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