Magnetic fingerprint of naphthalenediimide-based radical crystals.

Xiandong He, Qi Chen, Shaohua Tong, Hanlin Gan, Qinglin Jiang, Yuguang Ma

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Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Xiandong HeState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.

Qi ChenState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.

Shaohua TongState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.

Hanlin GanState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.ORCID https://orcid.org/0000-0001-9674-0334

Qinglin JiangState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.ORCID https://orcid.org/0000-0002-2211-4397

Yuguang MaState Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 P. R. China hanlingan@sina.cn jiangql@scut.edu.cn ygma@scut.edu.cn.ORCID https://orcid.org/0000-0003-0373-5873

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

While π-conjugated radicals are essential for developing high-temperature organic ferromagnets, the interplay between their spin density distribution, packing modes, and resulting magnetic order remains poorly understood. This study focuses on planar conjugated naphthalene diimide (NDI) anion radical systems characterized by robust π-π interactions. By synergistically modulating NDI substituents and reductive crystallization conditions, we successfully constructed a series of single-crystals exhibiting distinct aggregation modes. Utilizing a combination of electron paramagnetic resonance (EPR), superconducting quantum interference device (SQUID) magnetometry, and DFT calculations, we carried out a deep analysis of how geometric parameters of molecular packing-including slip displacement, interplanar spacing, and twist angles-modulate the magnetic exchange coupling constant (

Identifiers

PMID42529476

DOI10.1039/d6sc04366f

PMCPMC13417094

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.