Invention Grant
- Patent Title: Synthesis and annealing of manganese bismuth nanoparticles
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Application No.: US14025033Application Date: 2013-09-12
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Publication No.: US10410773B2Publication Date: 2019-09-10
- Inventor: Michael Paul Rowe
- Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.
- Applicant Address: US KY Erlanger
- Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
- Current Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
- Current Assignee Address: US KY Erlanger
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: H01F1/01
- IPC: H01F1/01 ; H01F41/24 ; H01F1/047 ; B22F9/20 ; H01F1/06 ; B22F1/00 ; C22C12/00 ; C22C22/00 ; H01F1/00

Abstract:
The claimed invention provides a wet chemical method to prepare manganese bismuth nanoparticles having a particle diameter of 5 to 200 nm. When annealed at 550 to 600K in a field of 0 to 3 T the nanoparticles exhibit a coercivity of approximately 1 T and are suitable for utility as a permanent magnet material. A permanent magnet containing the annealed MnBi nanoparticles is also provided.
Public/Granted literature
- US20150068646A1 SYNTHESIS AND ANNEALING OF MANGANESE BISMUTH NANOPARTICLES Public/Granted day:2015-03-12
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