Database statistics:

A total of 793 entries, including 1000+ La-based rare-earth-free materials discovered through our ML and adaptive genetic algorithm (AGA) searches, are registered in our database. Data statistics are summarized here.

Phase diagrams:

Binary phases: La-Si (No entries), La-P (No entries), La-Co (No entries), La-Pb (No entries), Si-P (No entries), among others.
Ternary phases: La-Si-P (794 entries), La-Co-Pb (No entries), among others.

Benchmark test:

Benchmark results are summarized here, where we compare theoretical and experimental values.
random selection: La-Si-P (794 entries found)
Displaying 12 entries out of 12 entries found.
Crystallographic data Sstructural stability [Footnotes] Magnetic properties [Footnotes, magnetic units] Methods References
Materials ID Formula Formula units per cell Atomic sites per cell Crystal system Space group [Number] Formation energy (eV/atom) Energy relative to convex hull (eV/atom) Structure search Averaged magnetic moment (μB/atom) Magnetic polarization, Js (T) Methods References
REMD-17 La19SiP12 2 64 hexagonal P6_3/mmc [194] -1.002 0.227 ML 0.00 0.00 DFT WX
REMD-55 La2SiP 2 8 hexagonal P6_3/mmc [194] -0.858 0.305 ML 0.00 0.00 DFT WX
REMD-50 La15SiP9 2 50 hexagonal P6_3/mmc [194] -1.058 0.138 ML 0.00 0.00 DFT WX
REMD-85 La6SiP 2 16 hexagonal P6_3/mmc [194] -0.367 0.228 ML 0.00 0.00 DFT WX
REMD-147 La6SiP 2 16 hexagonal P6_3/mmc [194] -0.350 0.244 ML 0.00 0.00 DFT WX
REMD-148 La2SiP 2 8 hexagonal P6_3/mmc [194] -0.887 0.275 ML 0.00 0.00 DFT WX
REMD-271 La2SiP 2 8 hexagonal P6_3/mmc [194] -0.813 0.349 ML 0.00 0.00 DFT WX
REMD-252 La17Si3P2 4 88 hexagonal P6_3/mmc [194] -0.054 0.451 ML 0.00 0.00 DFT WX
REMD-387 La2SiP 2 8 hexagonal P6_3/mmc [194] -0.805 0.357 ML 0.00 0.00 DFT WX
REMD-591 La9SiP5 2 30 hexagonal P6_3/mmc [194] -0.420 0.734 ML 0.00 0.00 DFT WX
REMD-740 La3SiP2 2 12 hexagonal P6_3/mmc [194] -1.120 0.178 ML 0.00 0.00 DFT WX
REMD-736 La4SiP3 2 16 hexagonal P6_3/mmc [194] -1.235 0.132 ML 0.00 0.00 DFT WX
Footnotes:
  1. Formation energy:
    We perform DFT calculations to calculate the total enegies of all the structures. The formation energy is computed with respect to a linear combination of the total energies of reference elemental phases. When the formation energies are plotted as a function of chemical composition, a set of stable compounds forms a convex hull, which represents a boundary (theoretical lower limit) in a compositional phase diagram. Metastable compounds lie above the hull, and the energy relative to the hull (distance to the hull) is a useful quantity to examine the metastability of a new compound. The lower the formation energy above the convex hull, the more likely it is for the material to exist.
Collaborative PIs:
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