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High efficiency spi...
High efficiency spin filtering in magnetic phosphorene
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- Kumari, P. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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- Majumder, S. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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- Rani, S. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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- Nair, A. K. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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- Kumari, K. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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- Kamalakar, M. Venkata (författare)
- Uppsala universitet,Molekyl- och kondenserade materiens fysik
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- Ray, S. J. (författare)
- Indian Inst Technol Patna, Dept Phys, Bihta 801106, India.
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Indian Inst Technol Patna, Dept Phys, Bihta 801106, India Molekyl- och kondenserade materiens fysik (creator_code:org_t)
- 2020
- 2020
- Engelska.
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Ingår i: Physical Chemistry, Chemical Physics - PCCP. - : ROYAL SOC CHEMISTRY. - 1463-9076 .- 1463-9084. ; 22:10, s. 5893-5901
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Phosphorene has a unique set of characteristics such as a semiconducting nature, good carrier mobility and low-spin orbit coupling aspects which makes it a highly prospective two dimensional material for cross-hybrid architectures in nanoelectronics, spintronics, and optoelectronics. In the spintronic context, the creation of a stable magnetic order in phosphorene can be immensely beneficial for designing phosphorene spin circuits. In this work, we present high efficiency spin filtering behaviour in magnetically rendered phosphorene. First, we calculate the effect of doping various 3d block elements in phosphorene to introduce a stable magnetic order. Next, by varying doping concentrations in distinct doping configurations, an extensive phase diagram has been obtained depicting the presence of various electronic and magnetic states. This allows us to achieve a high magnetisation in the presence of various transition metal atoms, with a spin polarisation of similar to 100% in half-metallic regimes. The transport behaviour reveals a map of the spin injection efficiency showing enhancement with doping concentration and reaching a perfect spin filtering capacity of similar to 100% in the presence of Ti, Cr, Mn, Co, and Fe atoms. The present results offer new insights into engineered designs of multi-functional phosphorene spintronic circuits.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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