JETP Letters

, Volume 106, Issue 10, pp 672–676 | Cite as

Magnetic properties of a Na-doped WS2 monolayer in the presence of an isotropic strain

Condensed Matter


The magnetic properties of Na-doped WS2 monolayer under strain are investigated by ab initio methods. Without strain, the Na-doped WS2 monolayer is a magnetic nanomaterial and the total magnetic moment is about 1.07μB. We applied strain to Na-doped WS2 monolayer from–10% to 10%. The magnetic properties are modified under different strain; the doped system gets a maximum value of at 2.01μB 10% tensile strain and a minimum value of at 0μB–10% compressive strain. The coupling between 3p states of S and 5d states of W is responsible for the strong strain effect on the magnetic properties. Our studies predict Na-doped WS2 monolayer under strain to be candidates for application in spintronics.


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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  1. 1.Department of PhysicsShanghai Polytechnic UniversityShanghaiPeople’s Republic of China
  2. 2.School of Electronics and InformationNantong UniversityNantongPeople’s Republic of China

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