Cited by 29Magnetism in coordination complexesMachine Learning in Materials ScienceMagnetic and transport properties of perovskites and related materials

Machine learning guided design of single-molecule magnets for magnetocaloric applications

Holleis, Ludwig, Shivaram, B. S., Balachandran, Prasanna V.·2019·Applied Physics Letters

Abstract

We present a data-driven approach to predict entropy changes (ΔS) in small magnetic fields in single-molecule magnets (SMMs) relevant to their application as magnetocaloric refrigerants. We construct a database of SMMs with a representation scheme incorporating aspects related to dimensionality, structure, local coordination environment, ideal total spin of magnetic ions, ligand type, and linking chemistry. We train machine learning models for predicting the entropy change as a function of structure and chemistry and use the models to arrive at ΔS for hypothetical molecules. We also identify key descriptors that affect the entropy change, thus providing insights into designing tailored SMMs with improved magnetocaloric properties.

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Crossref · 10.1063/1.5094553

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  • The likelihood of a TMC to exhibit spin-crossover behavior has been predicted based on the ligand nitrogen-nitrogen separation, and similar features have been invoked for predicting single-molecule magnet behavior.

    “The likelihood of a TMC to exhibit spin-crossover behavior has been predicted based on the ligand nitrogen-nitrogen separation (83), and similar features have been invoked for predicting single-molecule magnet behavior (84).”

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Authors
Holleis, L., Shivaram, B. S., & Balachandran, P. V.
Affiliations
University of Virginia (US)
Venue
Applied Physics Letters
Published
2019-06-03
Volume
114
Issue
22
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W2952673586
Cited by
29
References
58
Citations by year
2026: 3 · 2025: 1 · 2024: 3 · 2023: 3 · 2022: 6 · 2021: 3 · 2020: 10
FWCI
1.47
Type
journal article
Language
en
Open access
closed
Locations
Applied Physics Letters (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetism in coordination complexes
  • Physical Sciences › Materials Science › Materials Chemistry › Machine Learning in Materials Science
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetic and transport properties of perovskites and related materials
Keywords
single-molecule magnets, magnetocaloric effect, machine learning, molecular design, magnetic refrigeration, structural descriptors, coordination environment, ligand chemistry

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