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Air-Stable 2D Intrinsic Ferromagnetic Ta3FeS6 with Four Months Durability.

ABSTRACT: 2D ferromagnetic materials provide an important platform for the fundamental magnetic research at atomic-layer thickness which has great prospects for next-generation spintronic devices. However, the currently discovered 2D ferromagnetic materials (such as, CrI3, Cr2Ge2Te6, and Fe3GeTe2) suffer from poor air stability, which hinders their practical application. Herein, intrinsic long-range ferromagnetic order in 2D Ta3FeS6 is reported, which exhibits ultrahigh stability under the atmospheric environment. The intrinsic ferromagnetism of few-layer Ta3FeS6 is revealed by polar magneto-optical Kerr effect measurement, which exhibits giant MOKE response and has Curie temperature of ?80 K. More importantly, few-layer Ta3FeS6 nanosheet exhibits excellent air stability and its ferromagnetism remains unchanged after 4 months of aging under the atmosphere. This work enriches the family of 2D ferromagnetic materials, which will facilitate the research progress of spintronics.

SUBMITTER: Su J 

PROVIDER: S-EPMC7675181 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Air-Stable 2D Intrinsic Ferromagnetic Ta<sub>3</sub>FeS<sub>6</sub> with Four Months Durability.

Su Jianwei J   Wang Mingshan M   Liu Guiheng G   Li Huiqiao H   Han Junbo J   Zhai Tianyou T  

Advanced science (Weinheim, Baden-Wurttemberg, Germany) 20201013 22

2D ferromagnetic materials provide an important platform for the fundamental magnetic research at atomic-layer thickness which has great prospects for next-generation spintronic devices. However, the currently discovered 2D ferromagnetic materials (such as, CrI<sub>3</sub>, Cr<sub>2</sub>Ge<sub>2</sub>Te<sub>6</sub>, and Fe<sub>3</sub>GeTe<sub>2</sub>) suffer from poor air stability, which hinders their practical application. Herein, intrinsic long-range ferromagnetic order in 2D Ta<sub>3</sub>F  ...[more]

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