@ARTICLE{Xu2023-hl,
  title     = "Determination of short-range order in {TiVNbHf}(Al)",
  author    = "Xu, Michael and Wei, Shaolou and Tasan, C Cem and LeBeau, James M",
  journal   = "Appl. Phys. Lett.",
  publisher = "AIP Publishing",
  volume    =  122,
  pages     =  181901,
  abstract  = "The presence of short-range chemical order can be a key factor in
               determining the mechanical behavior of metals, but directly and
               unambiguously determining its distribution in complex
               concentrated alloy systems can be challenging. Here, we directly
               identify and quantify chemical order in the globally single phase
               BCC-TiVNbHf(Al) system using aberration corrected scanning
               transmission electron microscopy (STEM) paired with spatial
               statistics methods. To overcome the difficulties of short-range
               order (SRO) quantification with STEM when the components of an
               alloy exhibit large atomic number differences and near equiatomic
               ratios, ``null hypothesis'' tests are used to separate experiment
               from a random chemical distribution. Experiment is found to
               deviate from both the case of an ideal random solid solution and
               a fully ordered structure with statistical significance. We also
               identify local chemical order in TiVNbHf and confirm and quantify
               the enhancement of SRO with the addition of Al. These results
               provide insight into local chemical order in the promising
               TiVNbHf(Al) refractory alloys while highlighting the utility of
               spatial statistics in characterizing nanoscale SRO in
               compositionally complex systems.",
  month     =  "1~" # may,
  year      =  2023,
  keywords  = "LeBeau Group",
  doi       = "10.1063/5.0145289"
}

{"_id":"8ZoxEz4TwyJyntM7X","bibbaseid":"xu-wei-tasan-lebeau-determinationofshortrangeorderintivnbhfal-2023","author_short":["Xu, M.","Wei, S.","Tasan, C C.","LeBeau, J. M"],"bibdata":{"bibtype":"article","type":"article","title":"Determination of short-range order in TiVNbHf(Al)","author":[{"propositions":[],"lastnames":["Xu"],"firstnames":["Michael"],"suffixes":[]},{"propositions":[],"lastnames":["Wei"],"firstnames":["Shaolou"],"suffixes":[]},{"propositions":[],"lastnames":["Tasan"],"firstnames":["C","Cem"],"suffixes":[]},{"propositions":[],"lastnames":["LeBeau"],"firstnames":["James","M"],"suffixes":[]}],"journal":"Appl. Phys. Lett.","publisher":"AIP Publishing","volume":"122","pages":"181901","abstract":"The presence of short-range chemical order can be a key factor in determining the mechanical behavior of metals, but directly and unambiguously determining its distribution in complex concentrated alloy systems can be challenging. Here, we directly identify and quantify chemical order in the globally single phase BCC-TiVNbHf(Al) system using aberration corrected scanning transmission electron microscopy (STEM) paired with spatial statistics methods. To overcome the difficulties of short-range order (SRO) quantification with STEM when the components of an alloy exhibit large atomic number differences and near equiatomic ratios, ``null hypothesis'' tests are used to separate experiment from a random chemical distribution. Experiment is found to deviate from both the case of an ideal random solid solution and a fully ordered structure with statistical significance. We also identify local chemical order in TiVNbHf and confirm and quantify the enhancement of SRO with the addition of Al. These results provide insight into local chemical order in the promising TiVNbHf(Al) refractory alloys while highlighting the utility of spatial statistics in characterizing nanoscale SRO in compositionally complex systems.","month":"1 May","year":"2023","keywords":"LeBeau Group","doi":"10.1063/5.0145289","bibtex":"@ARTICLE{Xu2023-hl,\n title = \"Determination of short-range order in {TiVNbHf}(Al)\",\n author = \"Xu, Michael and Wei, Shaolou and Tasan, C Cem and LeBeau, James M\",\n journal = \"Appl. Phys. Lett.\",\n publisher = \"AIP Publishing\",\n volume = 122,\n pages = 181901,\n abstract = \"The presence of short-range chemical order can be a key factor in\n determining the mechanical behavior of metals, but directly and\n unambiguously determining its distribution in complex\n concentrated alloy systems can be challenging. Here, we directly\n identify and quantify chemical order in the globally single phase\n BCC-TiVNbHf(Al) system using aberration corrected scanning\n transmission electron microscopy (STEM) paired with spatial\n statistics methods. To overcome the difficulties of short-range\n order (SRO) quantification with STEM when the components of an\n alloy exhibit large atomic number differences and near equiatomic\n ratios, ``null hypothesis'' tests are used to separate experiment\n from a random chemical distribution. Experiment is found to\n deviate from both the case of an ideal random solid solution and\n a fully ordered structure with statistical significance. We also\n identify local chemical order in TiVNbHf and confirm and quantify\n the enhancement of SRO with the addition of Al. These results\n provide insight into local chemical order in the promising\n TiVNbHf(Al) refractory alloys while highlighting the utility of\n spatial statistics in characterizing nanoscale SRO in\n compositionally complex systems.\",\n month = \"1~\" # may,\n year = 2023,\n keywords = \"LeBeau Group\",\n doi = \"10.1063/5.0145289\"\n}\n\n","author_short":["Xu, M.","Wei, S.","Tasan, C C.","LeBeau, J. M"],"key":"Xu2023-hl","id":"Xu2023-hl","bibbaseid":"xu-wei-tasan-lebeau-determinationofshortrangeorderintivnbhfal-2023","role":"author","urls":{},"keyword":["LeBeau Group"],"metadata":{"authorlinks":{}}},"bibtype":"article","biburl":"https://paperpile.com/eb/hvQdZzcQAp","dataSources":["T6bwdcdAx2jmtGv5a"],"keywords":["lebeau group"],"search_terms":["determination","short","range","order","tivnbhf","xu","wei","tasan","lebeau"],"title":"Determination of short-range order in TiVNbHf(Al)","year":2023}