US 11,955,263 B2
Two-dimensional Dirac half-metal ferromagnets and ferromagnetic materials for spintronic devices
Nicholas Kioussis, Northridge, CA (US); and Qilong Sun, Northridge, CA (US)
Assigned to The Trustees of the California State University, Long Beach, CA (US)
Filed by The Trustees of the California State University, Long Beach, CA (US)
Filed on Nov. 4, 2022, as Appl. No. 17/980,694.
Application 17/980,694 is a continuation of application No. 16/288,525, filed on Feb. 28, 2019, granted, now 11,495,381.
Claims priority of provisional application 62/637,478, filed on Mar. 2, 2018.
Prior Publication US 2023/0055260 A1, Feb. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01F 10/193 (2006.01); B82Y 25/00 (2011.01); C01G 45/06 (2006.01); H01F 10/00 (2006.01); H10N 50/85 (2023.01)
CPC H01F 10/1936 (2013.01) [C01G 45/06 (2013.01); H01F 10/007 (2013.01); B82Y 25/00 (2013.01); C01P 2002/77 (2013.01); C01P 2004/24 (2013.01); C01P 2006/42 (2013.01); H10N 50/85 (2023.02); Y10T 428/32 (2015.01)] 10 Claims
OG exemplary drawing
 
1. A ferromagnetic material, comprising at least one Dirac half metal material having a Fermi velocity up to 3.83×105 m/s as compared to a Fermi velocity of graphene, the material comprising two-dimensional manganese trihalide crystals that are ferromagnetic, wherein the material exhibits 100% spin polarization, a high Curie temperature of 560K or higher, and a band gap of the minority spin channel of at least 4 eV.