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Strain-controlled s...
Strain-controlled spin transport in a two-dimensional (2D) nanomagnet
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- Kumari, P. (author)
- Indian Inst Technol Patna, Dept Phys, Bihta 801103, India.
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- Rani, S. (author)
- Indian Inst Technol Patna, Dept Phys, Bihta 801103, India.
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- Kar, S. (author)
- Indian Inst Technol Patna, Dept Phys, Bihta 801103, India.
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- Kamalakar, M. Venkata (author)
- Uppsala universitet,Energimaterialens fysik
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- Ray, S. J. (author)
- Indian Inst Technol Patna, Dept Phys, Bihta 801103, India.
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Indian Inst Technol Patna, Dept Phys, Bihta 801103, India Energimaterialens fysik (creator_code:org_t)
- Springer Nature, 2023
- 2023
- English.
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In: Scientific Reports. - : Springer Nature. - 2045-2322. ; 13:1
- Related links:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
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- Semiconductors with controllable electronic transport coupled with magnetic behaviour, offering programmable spin arrangements present enticing potential for next generation intelligent technologies. Integrating and linking these two properties has been a long standing challenge for material researchers. Recent discoveries in two-dimensional (2D) magnet shows an ability to tune and control the electronic and magnetic phases at ambient temperature. Here, we illustrate controlled spin transport within the magnetic phase of the 2D semiconductor CrOBr and reveal a substantial connection between its magnetic order and charge carriers. First, we systematically analyse the strain-induced electronic behaviour of 2D CrOBr using density functional theory calculations. Our study demonstrates the phase transition from a magnetic semiconductor -> half metal -> magnetic metal in the material under strain application, creating intriguing spin-resolved conductance with 100% spin polarisation and spin-injection efficiency. Additionally, the spin-polarised current-voltage (I-V) trend displayed conductance variations with high strain-assisted tunability and a peak-to-valley ratio as well as switching efficiency. Our study reveals that CrOBr can exhibit highly anisotropic behaviour with perfect spin filtering, offering new implications for strain engineered magneto-electronic devices.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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