Current progress and future challenges in rare-earth-free permanent magnets

J Cui, M Kramer, L Zhou, F Liu, A Gabay… - Acta Materialia, 2018 - Elsevier
Permanent magnets (PM) are critical components for electric motors and power generators.
Key properties of permanent magnets, especially coercivity and remanent magnetization …

Synthesizing the hard magnetic low-temperature phase of MnBi alloy: Challenges and prospects

A Sarkar, A Basu Mallick - Jom, 2020 - Springer
The low-temperature phase (LTP) of the binary MnBi alloy system is well recognized for its
potential to yield the highest maximum energy product value among the rare earth element …

Magnetic anisotropic effects and electronic correlations in MnBi ferromagnet

VP Antropov, VN Antonov, LV Bekenov, A Kutepov… - Physical Review B, 2014 - APS
The electronic structure and numerous magnetic properties of MnBi magnetic systems are
investigated using local spin density approximation (LSDA) with on-cite Coulomb …

Symmetry-lowering lattice distortion at the spin reorientation in MnBi single crystals

MA McGuire, H Cao, BC Chakoumakos, BC Sales - Physical Review B, 2014 - APS
Structural and physical properties determined by measurements on large single crystals of
the anisotropic ferromagnet MnBi are reported. The findings support the importance of …

Effect of substitutional do** and disorder on the phase stability, magnetism, and half-metallicity of Heusler alloys

NA Zarkevich, P Singh, AV Smirnov, DD Johnson - Acta Materialia, 2022 - Elsevier
Spintronics is the fast growing field that will play a key role in optimizing power consumption,
memory, and processing capabilities of nanoelectronic devices. Heusler alloys are potential …

Effect of Sb substitution on crystal structure, texture and hard magnetic properties of melt-spun MnBi alloys

AM Gabay, GC Hadjipanayis, J Cui - Journal of Alloys and Compounds, 2019 - Elsevier
Abstract Melt-spun Mn 50 Bi 50-x Sb x alloys with x≤ 5 were prepared at different
solidification rates and characterized both in the as-spun state and after annealing. In the as …

A core–shell magnet Mn70Bi30 grown at seeds in magnetic fields and its impacts on its spin-dynamics, Curie point and other tailored properties

SK Sharma, D Pradhan, S Ram - Nanotechnology, 2023 - iopscience.iop.org
The MnBi alloys is a model series of rare-Earth free magnets for surge of technologies of
small parts of automobiles, power generators, medical tools, memory systems, and many …

Theoretical study on the role of dynamics on the unusual magnetic properties in MnBi

KV Shanavas, D Parker, DJ Singh - Scientific reports, 2014 - nature.com
We study the electronic structure and lattice dynamics in the ferromagnet MnBi using first-
principles calculations and a tight-binding model. The band structure around the Fermi level …

Crystal Structure, Magnetism, and Electronic Properties of a Rare-Earth-Free Ferromagnet: MnPt5As

X Gui, W **e - Chemistry of Materials, 2020 - ACS Publications
The design and synthesis of targeted functional materials have been long-term goals for
materials scientists. Although a universal design strategy is difficult to generate for all types …

Low-temperature MnBi alloys: Electronic and magnetic properties, constitution, morphology and fabrication

VN Antonov, VP Antropov - Low Temperature Physics, 2020 - pubs.aip.org
The article reviews the rich phenomena of physical properties of MnBi. The diverse
phenomena include strong spin-orbit interaction, anomalous temperature dependence of …