Experimental investigation of magnetic properties of MnFeCo$_{4}$Si$_{2}$ discovered by GNoME

TL;DR

This study experimentally verifies the magnetic properties of MnFeCo4Si2, a compound predicted by the AI model GNoME, confirming its structure and ferromagnetic behavior with a high Curie temperature.

Contribution

First experimental validation of a GNoME-predicted compound's magnetic properties, demonstrating AI's effectiveness in guiding inorganic materials discovery.

Findings

MnFeCo4Si2 is a soft ferromagnet

Curie temperature is 1039 K

Crystallizes in a rhombohedral structure

Abstract

AI-driven inorganic materials research has garnered significant attention due to its ability to reduce the time, labor, and cost associated with experiments. An AI model known as GNoME, recently developed by Google DeepMind, is particularly fascinating because it is integrated with the Materials Project open database. The experimental verification of compounds identified by GNoME is a crucial process for advancing AI-driven materials research. Here, we focus on the magnetic compound MnFeCo$_{4}$Si$_{2}$ (Materials ID: mp-3203253), which possesses a layered-like structure. Consistent with the GNoME prediction, MnFeCo$_{4}$Si$_{2}$ crystallizes in a rhombohedral structure with a single-phase nature. We have characterized its magnetic properties and determined that MnFeCo$_{4}$Si$_{2}$ is a soft ferromagnet with a Curie temperature of 1039 K.