DataVXphysica status solidi (RRL) – Rapid Research LettersPaper
journal article·2022-11

Experimental and Theoretical Validation of Room Temperature Intrinsic Ferromagnetism in Cr3C2 Due to Interstitial Carbon Atoms

Muhammad Javid, Xue Jiang, Yinlu Gao, Lizhong Zhao, Xuefeng Zhang, Xiaohui Xu, Amjad Farid, Muhammad Farooq Saleem, Xueqing Zuo, Yongpeng Zhao, Lujun Pan, Xinglong Dong

physica status solidi (RRL) – Rapid Research Letters· Volume 16· Issue 11
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Source abstract

Abstract

Ferromagnetism is explored in Cr3C2 from microscopic to electronic levels and the spin coupling is attributed to the p electrons of the nearest‐neighbor carbon atoms around the Cr–C atomic interactions. By using the spin‐polarized density functional calculations, four models are formulated. The models reveal that the C atoms seated in tri‐prism I site can induce magnetic moments and the C vacancies can also take part in the induced magnetic moment. The p–d orbital interactions between C interstitial atom and Cr atom contribute to two asymmetric states of majority and minority spins and lead to weak magnetic moments. The C interstitial atoms and C vacancies in the crystal lattice of Cr3C2 are observed by high‐resolution transmission electron microscopy and electron‐spin resonance (ESR) techniques. The magnetic properties of Cr3C2 are investigated by a superconducting quantum interference device.
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Research context

OpenAlex topics: MXene and MAX Phase Materials · Boron and Carbon Nanomaterials Research · Inorganic Chemistry and Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Physics Dalian University of Technology Dalian 116023 P. R. China

Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Ministry of Education) School of Materials Science and Engineering Dalian University of Technology Dalian 116023 P. R. China

Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams (Dalian University of Technology) Ministry of Education Dalian 116024 China

Institute of Advanced Magnetic Materials College of Materials and Environmental Engineering Hangzhou Dianzi University Hangzhou 310012 China

Haihua College Liaoning Normal University Dalian 116400 China

Department of Physics Government College University Faisalabad Faisalabad 38000 Pakistan

GBA branch of Aerospace Information Research Institute Chinese Academy of Sciences Guangzhou 510700 China

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