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 8 entries out of 8 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-400 La12SiP9 6 132 trigonal R-3 [148] -1.160 0.199 ML 0.00 0.00 DFT WX
REMD-473 La8SiP6 3 45 trigonal R-3 [148] -1.196 0.169 ML 0.00 0.00 DFT WX
REMD-480 La8SiP3 3 36 trigonal R-3 [148] -0.753 0.167 ML 0.00 0.00 DFT WX
REMD-526 La14Si3P8 6 150 trigonal R-3 [148] -0.939 0.260 ML 0.00 0.00 DFT WX
REMD-544 La7SiP6 6 84 trigonal R-3 [148] -1.190 0.264 ML 0.00 0.00 DFT WX
REMD-706 La8SiP6 3 45 trigonal R-3 [148] -0.865 0.499 ML 0.00 0.00 DFT WX
REMD-758 La3SiP 6 30 trigonal R-3 [148] -0.691 0.260 ML 0.00 0.00 DFT WX
REMD-783 La3SiP 6 30 trigonal R-3 [148] -0.801 0.150 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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