Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy

Wang, Jian-Ping; Jiang, YanFeng

Title: Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy

Patent · Tue Jan 04 00:00:00 EST 2022

OSTI ID:1892505

Wang, Jian-Ping; Jiang, YanFeng

The disclosure describes techniques for forming hard magnetic materials including α″-Fe16N2 using chemical vapor deposition or liquid phase epitaxy and hard materials formed according to these techniques. A method comprises heating an iron source to form a vapor comprising an iron-containing compound; depositing iron from the vapor comprising the iron-containing compound and nitrogen from a vapor comprising a nitrogen-containing compound on a substrate to form a layer comprising iron and nitrogen; and annealing the layer comprising iron and nitrogen to form at least some crystals comprising α″-Fe16N2.

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Research Organization:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

DOE Contract Number:: AR0000199

Assignee:: Regents of the University of Minnesota (Minneapolis, MN)

Patent Number(s):: 11,214,862

Application Number:: 16/446,487

OSTI ID:: 1892505

Resource Relation:: Patent File Date: 06/19/2019

Country of Publication:: United States

Language:: English

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Wang, Jian-Ping; Jiang, Yanfeng

Iron nitride powder with anisotropic shape

Patent · Tue Nov 29 00:00:00 EST 2022 · OSTI ID:1892505

Wang, Jian-Ping; Jiang, Yanfeng

Title: Forming iron nitride hard magnetic materials using chemical vapor deposition or liquid phase epitaxy

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