Nguyen, T.
, Su, Y.
, Hattrick-Simpers, J.
, Nagata, T.
, Joress, H.
, Chang, K.
, Sarker, S.
, Mehta, A.
and Ting, J.
(2021),
Exploring the First High Entropy Thin Film Libraries: Composition spread-controlled Crystalline Structure, ACS Combinatorial Science, [online], https://doi.org/10.1021/acscombsci.0c00159, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=930970
(Accessed October 27, 2025)
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Exploring the First High Entropy Thin Film Libraries: Composition spread-controlled Crystalline Structure
Published
Author(s)
Thi X. Nguyen, Yen-Hsun Su, , Takahiro Nagata, , Kao-Shuo Chang, Suchismita Sarker, Apurva Mehta, Jyh-Ming Ting
Abstract
Thin films of two types of high-entropy oxides (HEOs) have been deposited on 76.2 mm Si wafers using combinatorial sputter deposition. In one type of the oxides, (MgZnMnCoNi)Ox, all the metals have a stable divalent oxidation state and similar cationic radii. In the second type of oxides, (CrFeMnCoNi)Ox, the metals are more diverse in the atomic radius and valence state, and have good solubility in their sub-binary and ternary oxide systems. The resulting HEO thin films were characterized using several high-throughput analytical techniques. The microstructure, composition, and electrical conductivity obtained on defined grid maps were obtained for the first time across large compositional ranges. The crystalline structure of the films was observed as a function of the metallic elements in the composition spreads, that is, the Mn and Zn in (MgZnMnCoNi)Ox and Mn and Ni in (CrFeMnCoNi)Ox. The (MgZnMnCoNi)O ...Citation
ACS Combinatorial Science
Volume
22
Issue
12
Pub Type
Journals
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Keywords
High entropy oxide, Combinatorial sputter deposition, high-throughput analysis, Composition-controlled crystalline structure
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Created March 19, 2021, Updated October 12, 2021