Research Highlights

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Commercialization of Cerium-based gap magnets–TCF Award

CMI researchers at Ames Laboratory and the Materials Preparation Center conducted the research for this highlight

planned casting process for commercial-grade cerium

Unusual First-Order Antiferromagnetic Transitions

First-order transitions were observed at the antiferromagnetic transition temperatures of CaMn2P2 and SrMn2P2 crystals with corrugated honeycomb Mn layers.

Adaptive variational quantum computing algorithm for nonequilibrium dynamics simulations

A new adaptive quantum computing algorithm demonstrates high-fidelity quantum simulations

Designing Stronger, More Ductile High-Entropy Alloys

Novel, theory-guided design identified origins for transformation- and twinning-induced plasticity

Giant magnetic anisotropy in Ce substituted SmCo5

CMI researchers at Ames Laboratory conducted the activity for this highlight

Predicted 4f charge densities of Ce and Sm utilizing quadrupolar only (upper row panel) and both quadrupolar and octopolar (middle row panel) interactions in the crystal field model. The base CaCu5-type crystal structure (bottom row panel) to develop 2x2x1 supercell to accommodate Ce and Sm in Ce0.5Sm0.5Co5 composition.

Ce-magnet with structurally induced anisotropy

CMI researchers at Ames Laboratory conducted the activity for this highlight

EM image of the 1:5-type system Ce(Co1-xFex)4.4Cu0.6 after the heat treatment showing 1:5 Matrix and 1:2 S-Faults

Revealing the Surface Structure of CdSe Nanocrystals

Colloidal semiconductor nanocrystals (NCs) have generated significant attention as building blocks for optoelectronic and energy conversion devices.

Contactless conductivity nano-imaging with terahertz light

Going beyond the silicon-based electronics is the next major challenge for communications, computing and sensors which will require new functional materials.

Microstructural engineering for tougher Nd-Fe-B magnets

CMI researchers at Ames Laboratory conducted the research for this highlight

$Intra-granular fracture mechanism in Sm-Co$

Large magnetic anisotropy in lanthanum M-type hexaferrites

CMI researchers at Ames Laboratory conducted the research for this highlight

Unit cell of LaFe12O19 hexaferrite. The five nonequivalent Fe sites are octahedral (2a), bipyramidal (2b), tetrahedral (4f1), octahedral (4f2), and 12k. The three- and six-fold local axis are parallel to the hexagonal axis c of the crystal, which is also the easy axis of magnetization.