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Title: Local structure of NiPd solid solution alloys and its response to ion irradiation

Abstract

The local structure of Ni$-$Pd solid solution alloys with compositions of Ni80Pd20 and Ni50Pd50 was investigated with anomalous X-ray diffraction, X-ray absorption and theoretical calculation/simulation. The fcc lattice is distorted for both alloys, and the Pd$-$Pd atomic pair distance is +4.4% and +1.4% larger than ideal values in Ni80Pd20 and Ni50Pd50 alloys, respectively. The corresponding atomic pair distance of Ni$-$Ni is -1.8% and -3.0% less than the ideal values. Different short-range orders in the alloys were quantitatively identified at the atomic level. In Ni80Pd20, Pd atoms are likely to form Pd$-$Pd pairs, while Pd atoms are connected with Pd atoms in the second shell in the equiatomic solid solution alloy. Upon ion irradiation, little change of interatomic distance, but modification of chemical short-range order was observed. The number of Pd$-$Pd pairs decreases to the lowest value at 0.1 dpa, and further irradiation make it increase.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [1];  [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  3. Cornell Univ., Ithaca, NY (United States). Cornell High Energy Synchrotron Source (CHESS)
  4. Carnegie Inst. of Washington, Argonne, IL (United States). Geophysical Lab., High Pressure Collaborative Access Team (HPCAT)
  5. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Energy Dissipation to Defect Evolution (EDDE); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF); National Institutes of Health (NIH); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1436952
Alternate Identifier(s):
OSTI ID: 1548460
Grant/Contract Number:  
AC05-00OR22725; AC02-06CH11357; NA0001974
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Alloys and Compounds
Additional Journal Information:
Journal Volume: 755; Journal Issue: C; Journal ID: ISSN 0925-8388
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Zhang, Fuxiang, Ullah, Mohammad Wali, Zhao, Shijun, Jin, Ke, Tong, Yang, Velisa, Gihan, Xue, Haizhou, Bei, Hongbin, Huang, Rong, Park, Changyong, Weber, William J., and Zhang, Yanwen. Local structure of NiPd solid solution alloys and its response to ion irradiation. United States: N. p., 2018. Web. doi:10.1016/j.jallcom.2018.04.285.
Zhang, Fuxiang, Ullah, Mohammad Wali, Zhao, Shijun, Jin, Ke, Tong, Yang, Velisa, Gihan, Xue, Haizhou, Bei, Hongbin, Huang, Rong, Park, Changyong, Weber, William J., & Zhang, Yanwen. Local structure of NiPd solid solution alloys and its response to ion irradiation. United States. doi:10.1016/j.jallcom.2018.04.285.
Zhang, Fuxiang, Ullah, Mohammad Wali, Zhao, Shijun, Jin, Ke, Tong, Yang, Velisa, Gihan, Xue, Haizhou, Bei, Hongbin, Huang, Rong, Park, Changyong, Weber, William J., and Zhang, Yanwen. Fri . "Local structure of NiPd solid solution alloys and its response to ion irradiation". United States. doi:10.1016/j.jallcom.2018.04.285. https://www.osti.gov/servlets/purl/1436952.
@article{osti_1436952,
title = {Local structure of NiPd solid solution alloys and its response to ion irradiation},
author = {Zhang, Fuxiang and Ullah, Mohammad Wali and Zhao, Shijun and Jin, Ke and Tong, Yang and Velisa, Gihan and Xue, Haizhou and Bei, Hongbin and Huang, Rong and Park, Changyong and Weber, William J. and Zhang, Yanwen},
abstractNote = {The local structure of Ni$-$Pd solid solution alloys with compositions of Ni80Pd20 and Ni50Pd50 was investigated with anomalous X-ray diffraction, X-ray absorption and theoretical calculation/simulation. The fcc lattice is distorted for both alloys, and the Pd$-$Pd atomic pair distance is +4.4% and +1.4% larger than ideal values in Ni80Pd20 and Ni50Pd50 alloys, respectively. The corresponding atomic pair distance of Ni$-$Ni is -1.8% and -3.0% less than the ideal values. Different short-range orders in the alloys were quantitatively identified at the atomic level. In Ni80Pd20, Pd atoms are likely to form Pd$-$Pd pairs, while Pd atoms are connected with Pd atoms in the second shell in the equiatomic solid solution alloy. Upon ion irradiation, little change of interatomic distance, but modification of chemical short-range order was observed. The number of Pd$-$Pd pairs decreases to the lowest value at 0.1 dpa, and further irradiation make it increase.},
doi = {10.1016/j.jallcom.2018.04.285},
journal = {Journal of Alloys and Compounds},
number = C,
volume = 755,
place = {United States},
year = {2018},
month = {4}
}

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