What question did this study set out to answer?

Establish a predictive first-principles simulation framework to identify which surface-supported transition-metal phthalocyanine molecules yield observable electron spin resonance signals under scanning tunneling microscopy.

August 20, 2026Precision ChemistryOpen Access

Predicting STM-ESRDetectability of Adsorbed Transition-MetalPhthalocyanines from First Principles

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WSWenwen ShiUniversity of Science and Technology of China DZDaochi ZhangUniversity of Science and Technology of China DHDawei HeUniversity of Science and Technology of China

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Implication

Computational study reveals distinct spin detectability among transition-metal phthalocyanines on MgO/Ag(100), highlighting a predictive framework for molecular spintronics.

Key Points

Establish a predictive first-principles simulation framework to identify which surface-supported transition-metal phthalocyanine molecules yield observable electron spin resonance signals under scanning tunneling microscopy.
Integrated density functional theory (DFT) with the hierarchical equations of motion (HEOM) method.
Evaluated spin-polarized electronic structures, hybridization functions, and singly occupied molecular orbitals for transition-metal phthalocyanine complexes adsorbed on MgO/Ag(100).
FePc, MnPc, NiPc, and ScPc maintained sufficient spin polarization and molecule–substrate hybridization strength to generate detectable STM-ESR signals.
CoPc and CuPc exhibited complete spin quenching upon surface adsorption governed by orbital symmetry and hybridization.

Cite This Study

Shi et al. (2026) studied this question.

synapsesocial.com/papers/6a86b6208a91293e6a1cdbec https://doi.org/10.1021/prechem.6c00048

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Implication

Computational study reveals distinct spin detectability among transition-metal phthalocyanines on MgO/Ag(100), highlighting a predictive framework for molecular spintronics.

Predicting STM-ESRDetectability of Adsorbed Transition-MetalPhthalocyanines from First Principles

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Implication

Key Points

Cite This Study

Predicting STM-ESRDetectability of Adsorbed Transition-MetalPhthalocyanines from First Principles

Discussion

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Implication

Key Points

Cite This Study

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