Strong roomerature ferromagnetism in VSe2 monolayers on van der Waals substrates

Manuel Bonilla, Sadhu Kolekar, Yujing Ma, Horacio Coy Diaz, Vijaysankar Kalappattil, Raja Das, Tatiana Eggers, Humberto R. Gutierrez, Manh Huong Phan, Matthias Batzill

Research output: Contribution to journalArticlepeer-review

797 Citations (Scopus)


Reduced dimensionality and interlayer coupling in van der Waals materials gives rise to fundamentally different electronic 1, optical 2 and many-body quantum 3-5 properties in monolayers compared with the bulk. This layer-dependence permits the discovery of novel material properties in the monolayer regime. Ferromagnetic order in two-dimensional materials is a coveted property that would allow fundamental studies of spin behaviour in low dimensions and enable new spintronics applications 6-8 . Recent studies have shown that for the bulk-ferromagnetic layered materials CrI3 (ref. 9 ) and Cr2Ge2Te6 (ref. 10 ), ferromagnetic order is maintained down to the ultrathin limit at low temperatures. Contrary to these observations, we report the emergence of strong ferromagnetic ordering for monolayer VSe2, a material that is paramagnetic in the bulk 11,12 . Importantly, the ferromagnetic ordering with a large magnetic moment persists to above room temperature, making VSe2 an attractive material for van der Waals spintronics applications.

Original languageEnglish
Pages (from-to)289-293
Number of pages5
JournalNature Nanotechnology
Issue number4
Publication statusPublished - 01 Apr 2018
Externally publishedYes


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