Magnetic Behavior in TiS3 Nanoribbon
by
Shengqiang Lai 1 and Yongping Du 2,*
Shengqiang Lai 1 and Yongping Du 2,*
1
The School of Physics, Nanjing University, Nanjing 210093, China
2
Department of Applied Physics and Institution of Energy and Microstructure, Nanjing University of Science and Technology, Nanjing 210094, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(21), 3501; https://doi.org/10.3390/ma12213501
Received: 9 September 2019 / Revised: 14 October 2019 / Accepted: 22 October 2019 / Published: 25 October 2019
(This article belongs to the Special Issue Structural, Electronic and Magnetic Properties of Low Dimensional Systems)
The electronic structure, magnetic properties and strain response of N-a-TiS3 nanoribbons are investigated by first-principles calculations. We find that the magnetic ground state is strongly dependent on width of a-TiS3. When N equals an odd number the ground state is a ferromagnetic (FM) metal, meanwhile, when N equals an even number the ground state is an anti-ferromagnetic (AFM) metal. More interestingly, a tensile strain as large as 6% can tune the 9-a-TiS3 nanoribbon from a FM metal to a half metal. A 4% tensile strain also causes a phase transition from AFM to FM ground state for 10-a-TiS3 nanoribbon. Our findings show that N-a-TiS3 is a promising candidate for spintronic and electronic applications.
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Keywords:
TiS3; nanoribbon; magnetic property; strain effect
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MDPI and ACS Style
Lai, S.; Du, Y. Magnetic Behavior in TiS3 Nanoribbon. Materials 2019, 12, 3501.
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