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Magnetism in Doped Two-Dimensional Honeycomb Structures of III-V Binary Compounds

100%
Zberecki K.
Acta Physica Polonica A
|
2012
|
vol. 121
|
issue 5-6
1240-1241
EN
Using first-principles plane-wave calculations study of magnetic properties of doped two-dimensional honeycomb structures of III-V binary compounds have been conducted for either nonmagnetic dopants or vacancies. Calculations show that all cases where magnetic moment is non-zero, are energetically more favorable. For such cases band structure and density of states were calculated and analyzed in detail. The possible applications of these structures were also discussed.
2
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Transport and Thermoelectric Properties of Magnetic Organic Structures

63%
Zberecki K., Swirkowicz R.
Acta Physica Polonica A
|
2018
|
vol. 133
|
issue 3
532-534
EN
Using ab initio methods, we study transport and thermoelectric phenomena of magnetic organic chains functionalized with nitroxide groups. We predict very good thermoelectric performance of the structure, as the conventional and spin Seebeck coefficients are remarkably enhanced. Our results suggest that magnetic organic chains would have a great potential for applications in spintronic devices.
3
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Thermoelectric Properties of Doped Zigzag Silicene Nanoribbons

51%
Zberecki K., Swirkowicz R., Barnaś J.
Acta Physica Polonica A
|
2015
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vol. 127
|
issue 2
505-507
EN
Thermoelectric properties of silicene nanoribbons doped with magnetic impurity atoms are investigated theoretically for both antiparallel and parallel orientations of the edge magnetic moments. Spin density distribution and transport parameters have been determined by ab-initio numerical methods based on the density functional theory. Doping with magnetic atoms considerably modifies the spin density distribution, leading to a ground state with a non-zero magnetic moment. Apart from this, the spin thermopower can be considerably enhanced by the impurity atoms.
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