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 10 entries out of 10 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-33 La3Si2P 1 6 hexagonal P6/mmm [191] 0.095 1.121 ML 0.00 0.00 DFT WX
REMD-19 La6SiP4 1 11 hexagonal P6/mmm [191] -0.705 0.585 ML 0.00 0.00 DFT WX
REMD-129 La9(SiP3)2 1 17 hexagonal P6/mmm [191] -0.786 0.510 ML 0.00 0.00 DFT WX
REMD-87 La3SiP2 1 6 hexagonal P6/mmm [191] -0.543 0.755 ML 0.00 0.00 DFT WX
REMD-233 La2SiP 1 4 hexagonal P6/mmm [191] 0.545 1.707 ML 0.00 0.00 DFT WX
REMD-331 La6SiP2 1 9 hexagonal P6/mmm [191] -0.106 0.771 ML 0.00 0.00 DFT WX
REMD-341 La4SiP 1 6 hexagonal P6/mmm [191] -0.074 0.719 ML 0.00 0.00 DFT WX
REMD-362 La6Si2P 1 9 hexagonal P6/mmm [191] -0.079 0.628 ML 0.00 0.00 DFT WX
REMD-351 La32Si3P20 1 55 hexagonal P6/mmm [191] -0.146 1.084 ML 0.00 0.00 DFT WX
REMD-606 La3SiP2 3 18 hexagonal P6/mmm [191] -0.778 0.520 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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