A research team has found that the correlation between electrons has a drastic effect on the energy of magnetic materials, thus influencing their efficiency and improving their ability to mitigate their environmental footprint



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## A research team has found that the correlation between electrons has a drastic effect on the energy of magnetic materials, thus influencing their efficiency and improving their ability to mitigate their environmental footprint

26/01/2022 |
SCP

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* [![ correlacio-electrons-materials-magnetics Biz_SPINCAT_6](/com/investigacio/arxiu/noticies/2022/1/correlacio-electrons-materials-magnetics/Biz_SPINCAT_6.3x5.8_600dpi.jpg)](#)

A research team comprising researcher Chiara Biz from the Universitat Jaume I of Castellón, and Mauro Fianchini and José Gracia from the company MagnetoCat, S.L. (www.magnetocat.com) have found that quantum spin exchange interactions (QSEI) are responsible for the unusual intrinsic properties of magnetic catalysts, by detecting their influence on the structure, electronic conductivity and catalytic activity.

In the course of the study, the team has demonstrated and described the meaning of the quantum correlations using a novel adaptation of Feynman diagrams. This has provided insight into why catalysts with a predominance of ferromagnetic interactions are the future for the emerging hydrogen economy. The description of this phenomenon serves, in general, to understand strongly correlated catalysts and opens new avenues of study for the improvement of the design of new catalysts and technologies.

The contribution of this research on orbital magnetism and spin potentials (intrinsic magnetic moment of the electron) is not only limited to the academic field. Since it is intertwined with the efficiency of electrocatalytic processes and technologies for the production and use of green hydrogen, it has a huge impact on the development of a cleaner and more sustainable world.

The study recently published in the journal *ACS Catalysis* explains that quantum spin interactions (QSEI) are especially relevant for the configuration with unpaired electrons and that their understanding is essential for a complete understanding of the specific properties of magnetic structures that contribute significantly to the remodelling of the energetic, orbital and catalytic structure and influence ionic and electron transport.

**Article:** "Strongly Correlated Electrons in Catalysis: Focus on Quantum Exchange". Author: Chiara Biz from the Universitat Jaume I of Castelló; Mauro Fianchini and José Gracia from MagnetoCat, S.L. <https://doi.org/10.1021/acscatal.1c03135>

![](https://ujiapps.uji.es/ade/rest/storage/SG1C1JDI88TAL3KLQFCWXOCO9GSOESEL)    ![](https://ujiapps.uji.es/ade/rest/storage/4TXLAS0BYXXUHLWDJXKSSFYRE9PBXUA6)

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