scholarly journals Manipulation of the Magnetic Properties of Janus WSSe Monolayer by the Adsorption of Transition Metal Atoms

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Kai Chen ◽  
Weiqing Tang ◽  
Mingming Fu ◽  
Xu Li ◽  
Congming Ke ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Surface Adsorption ◽  
Easy Magnetization ◽  
Spintronic Devices ◽  
Metal Atoms ◽  
Transition Metal Atoms ◽  
Magnetization Axis ◽  
Out Of Plane ◽  
Adsorption Surface ◽  
Low Dimensional

AbstractTwo-dimensional Janus materials have great potential for the applications in spintronic devices due to their particular structures and novel characteristics. However, they are usually non-magnetic in nature. Here, different transition metals (TMs: Co, Fe, Mn, Cr, and V) adsorbed WSSe frameworks are constructed, and their structures and magnetic properties are comprehensively investigated by first-principles calculations. The results show that the top of W atom is the most stable absorption site for all the TM atoms, and all the systems exhibit magnetism. Moreover, their magnetic properties significantly depend on the adsorbed elements and the adsorbent chalcogens. A maximal total magnetic moment of 6 μB is obtained in the Cr-adsorbed system. The induced magnetism from S-surface-adsorption is always stronger than that for the Se-surface-adsorption due to its larger electrostatic potential. Interestingly, the easy magnetization axis in the Fe-adsorbed system switches from the in-plane to the out-of-plane when the adsorption surface changes from Se to S surface. The mechanism is analyzed in detail by Fe-3d orbital-decomposed density of states. This work provides a guidance for the modification of magnetism in low-dimensional systems.

scholarly journals Manipulation of The Magnetic Properties of Janus WSSe Monolayer By The Adsorption of Transition Metal Atoms

2021 ◽  
Author(s):  
Kai Chen ◽  
Weiqing Tang ◽  
Mingming Fu ◽  
Xu Li ◽  
Congming Ke ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Surface Adsorption ◽  
Easy Magnetization ◽  
Spintronic Devices ◽  
Metal Atoms ◽  
Transition Metal Atoms ◽  
Magnetization Axis ◽  
Out Of Plane ◽  
Adsorption Surface ◽  
Low Dimensional

Abstract Two-dimensional Janus materials have great potential for the applications in spintronic devices due to their particular structures and novel characteristics. However, they are usually non-magnetic in nature. Here, different transition metals (TMs: Co, Fe, Mn, Cr, and V) adsorbed WSSe frameworks are constructed, and their structures and magnetic properties are comprehensively investigated by first-principles calculations. The results show that the top of W atom is the most stable absorption site for all the TM atoms, and all the systems exhibit magnetism. Moreover, their magnetic properties significantly depend on the adsorbed elements and the adsorbent chalcogens. A maximal total magnetic moment of 6 μB is obtained in the Cr-adsorbed system. The induced magnetism from S-surface-adsorption is always stronger than that for the Se-surface-adsorption due to its larger electrostatic potential. Interestingly, the easy magnetization axis in the Fe-adsorbed system switches from the in-plane to the out-of-plane when the adsorption surface changes from Se to S surface. The mechanism is analyzed in detail by Fe-3d orbital-decomposed density of states. This work provides a guidance for the modification of magnetism in low-dimensional systems.

Tunable electronic and magnetic properties in stanene by 3d transition metal atoms absorption

2017 ◽  
Vol 103 ◽  
pp. 139-144 ◽  
Author(s):  
Dan-Xu Xing ◽  
Ceng-Ceng Ren ◽  
Shu-Feng Zhang ◽  
Yong Feng ◽  
Xin-Lian Chen ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Transition Metal ◽  
Electronic And Magnetic Properties ◽  
Metal Atoms ◽  
Transition Metal Atoms

Electronic structures, magnetic properties and band alignments of 3d transition metal atoms doped monolayer MoS2

2018 ◽  
Vol 382 (2-3) ◽  
pp. 111-115 ◽  
Author(s):  
Maokun Wu ◽  
Xiaolong Yao ◽  
Yuan Hao ◽  
Hong Dong ◽  
Yahui Cheng ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Transition Metal ◽  
Electronic Structures ◽  
Monolayer Mos2 ◽  
Metal Atoms ◽  
Transition Metal Atoms ◽  
Band Alignments

scholarly journals Слоевые нанопроволоки --- матричный синтез, структура и магнитные свойства

2019 ◽  
Vol 61 (9) ◽  
pp. 1682
Author(s):  
Д.Л. Загорский ◽  
И.М. Долуденко ◽  
Д.А. Черкасов ◽  
О.М. Жигалина ◽  
Д.Н. Хмеленин ◽  
...  
Keyword(s):  
Layer Thickness ◽  
Magnetic Force Microscopy ◽  
Magnetic Force ◽  
Residual Magnetization ◽  
Magnetization Curves ◽  
Easy Magnetization ◽  
Force Microscopy ◽  
Shell Nanostructures ◽  
Magnetization Axis ◽  
Out Of Plane

AbstractNanowires (NWs) consisting of Ni/Cu and Co/Cu alternating layers with a diameter of 100 nm and layer thicknesses varying between 10 and 500 nm are prepared by template synthesis in pores of polymer track-etched membranes. Bath compositions and different regimes for pulsed electrodeposition of NWs are explored. A procedure for electrodeposition of NWs using pulses of equal charge is developed. By diminishing the amount of charge per pulse, initially we manage to lower the layer thickness to 10–15 nm, but further diminishing of charge in pulses leads to the blending of elemental composition of adjacent layers and/or formation of rod–shell nanostructures within the NWs. The coercive force (15–30 mT) and residual magnetization of our layered NWs are determined from magnetization measurements. For NWs with a layer thickness of 50–100 nm, the magnetization curves recorded in the out-of-plane and in-plane geometries are similar in shape and have similar parameters. For NWs with thicker layers (250 and 500 nm), magnetization curves are markedly different due to magnetic anisotropy (an easy magnetization axis emerges longitudinally to NWs) and interference between neighboring NWs. Magnetic force microscopy of isolated NWs identifies that the NWs comprise magnetic regions extending over ~100–150 nm. The NW can be partially remagnetized by applying an external magnetic field (+16 mT) longitudinally.

Magnetic properties of clusters of transition metal atoms

1996 ◽  
Vol 36 (1) ◽  
pp. 37-42 ◽  
Author(s):  
A. N Andriotis ◽  
N. N Lathiotakis ◽  
M Menon
Keyword(s):  
Magnetic Properties ◽  
Transition Metal ◽  
Metal Atoms ◽  
Transition Metal Atoms

scholarly journals Band structure engineering of NiS2 monolayer by transition metal doping

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
H. Khalatbari ◽  
S. Izadi Vishkayi ◽  
M. Oskouian ◽  
H. Rahimpour Soleimani
Keyword(s):  
Magnetic Properties ◽  
Transition Metal ◽  
Density Functional ◽  
Magnetic Semiconductor ◽  
Density Functional Theory Calculations ◽  
Spintronic Devices ◽  
Transition Metal Atoms ◽  
Promising Application ◽  
Structure Engineering ◽  
Co Doped

AbstractBy using density functional theory calculations, we have studied the effects of V-, Cr-, Mn-, Fe- and Co-doped on the electronic and magnetic properties of the 1T-NiS2 monolayer. The results show that pure 1T-NiS2 monolayer is a non-magnetic semiconductor. Whereas depending on the species of transition metal atom, the substituted 1T-NiS2 monolayer can become a magnetic semiconductor (Mn-doped), half-metal (V- and Fe-doped) and magnetic (Cr-doped) or non-magnetic (Co-doped) metal. The results indicate that the magnetism can be controlled by the doping of 3d transition metal atoms on the monolayer. In this paper, the engineering of the electric and magnetic properties of 1T-NiS2 monolayer is revealed. It is clear that it could have a promising application in new nanoelectronic and spintronic devices.

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