Okamoto, J. K. and Ahn, C. C. and Fultz, B. (1995) Short-range ordering in face-centered-cubic Ni3Al. Journal of Applied Physics, 77 (9). pp. 4380-4383. ISSN 0021-8979. doi:10.1063/1.359463. https://resolver.caltech.edu/CaltechAUTHORS:OKAjap95
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Abstract
Films of fcc Ni3Al with suppressed short-range order (SRO) were prepared by physical vapor deposition of Ni3Al onto room-temperature substrates. Extended electron energy-loss fine-structure spectra were obtained from both Al K and Ni L23 edges. After the samples were annealed for various times at 150 °C, a moderate growth of SRO was observed in the first-nearest-neighbor environments of both the Al and Ni atoms. As prepared, these fcc Ni3Al materials, and presumably others having similar heat evolutions as measured by differential scanning calorimetry, have a high degree of chemical disorder.
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| Additional Information: | © 1995 American Institute of Physics. (Received 25 March 1994; accepted 9 January 1995) We thank Dr. P. Rez for providing the software used to calculate the electron-scattering cross sections, and Dr. D. H. Pearson for his help with the calculations. This research was supported by the U. S. Dept. of Energy under Contract No. DE-FG03-86ER45270. | ||||||
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| Subject Keywords: | NICKEL ALLOYS; ALUMINIUM ALLOYS; FCC LATTICES; ORDER–DISORDER TRANSFORMATIONS; THIN FILMS; PHYSICAL VAPOR DEPOSITION; STRUCTURAL CHEMICAL ANALYSIS; FINE STRUCTURE; ANNEALING; SHORT–RANGE ORDER; EEL SPECTROSCOPY | ||||||
| Issue or Number: | 9 | ||||||
| DOI: | 10.1063/1.359463 | ||||||
| Record Number: | CaltechAUTHORS:OKAjap95 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:OKAjap95 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 1805 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 18 Feb 2006 | ||||||
| Last Modified: | 08 Nov 2021 19:42 |
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