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Light‐Controlled Ferromagnetism in Porphyrin Functionalized Ultrathin FeS Nanosheets by Zhou, Gang; Li, Tinghui; Wu, Yuying; Wang, Peifang; Leng, Kangmin; Liu, Chongchong; Shan, Yun; Liu, Lizhe is a Engineering article available to read on EtoBox.
What is Light‐Controlled Ferromagnetism in Porphyrin Functionalized Ultrathin FeS Nanosheets about?
## Abstract The intrinsically weak photomagnetic interaction makes it difficult to realize effectively light‐controlled magnetic structure transformation. Here unprecedented light‐induced switching of magnetism is reported in porphyrin functionalized ultrathin FeS nanosheets. Contrary to the antiferromagnetic (AFM) bulk, the troilite FeS nanosheets demonstrate a ferromagnetic (FM) behavior due to superficial symmetry breaking. Under light irradiation, a large number of photo‐generated carriers take part in a singlet‐to‐triplet conversion through intersystem crossing of tetra(4‐carboxyphenyle)porphyrin molecules decorated on the nanosheets. The generated triplet carriers make spin flips occur at FeS surface, finally leading to a magnetic structure transition from FM to AFM configuration. The findings not only shed new light on steering arrangement of spin electrons but also open up almost unlimited possibilities for spintronics and optical detection of spin‐dependent physiological reactions.
Who reads Light‐Controlled Ferromagnetism in Porphyrin Functionalized Ultrathin FeS Nanosheets?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Zhou, Gang; Li, Tinghui; Wu, Yuying; Wang, Peifang; Leng, Kangmin; Liu, Chongchong; Shan, Yun; Liu, Lizhe
- Publisher
- Wiley (John Wiley & Sons); John Wiley and Sons Inc.; Wiley (ISSN 2195-1071)
- Published
- 2020
- Language
- EN
- Field
- Engineering (Physical Sciences)