Journal
MATERIALS RESEARCH LETTERS
Volume 3, Issue 4, Pages 203-209Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2015.1048904
Keywords
Microstructure; Sputtering; Thin films; Solid solution
Categories
Funding
- US National Science Foundation [DMR-0909037, CMMI-0900271, CMMI-1100080]
- Department of Energy (DOE), Office of the Nuclear Energy's Nuclear Energy University Program (NEUP) [00119262]
- DOE, Office of Fossil Energy, National Energy Technology Laboratory [DE-FE-0008855, DE-FE-0011194, DE-FE-0024054]
- Army Research Office [W911NF-13-10438]
- NSF [CBET- 1235651]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1100080] Funding Source: National Science Foundation
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The concept of high configurational entropy requires that the high-entropy alloys (HEAs) yield single-phase solid solutions. However, phase separations are quite common in bulk HEAs. A five-element alloy, CrCoCuFeNi, was deposited via radio frequency magnetron sputtering and confirmed to be a single-phase solid solution through the high-energy synchrotron X-ray diffraction, energy-dispersive spectroscopy, wavelength-dispersive spectroscopy, and transmission electron microscopy. The formation of the solid-solution phase is presumed to be due to the high cooling rate of the sputter-deposition process.
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