Temperature-controlled giant thermal magnetoresistance behaviors in doped zigzag-edged silicene nanoribbons

RSC Advances ◽  
2014 ◽  
Vol 4 (89) ◽  
pp. 48539-48546 ◽  
Author(s):  
X. F. Yang ◽  
X. Zhang ◽  
X. K. Hong ◽  
Y. S. Liu ◽  
J. F. Feng ◽  
...  

Based on the nonequilibrium Green's function (NEGF) method combined with density functional theory (DFT), we investigate the spin-dependent thermoelectric transport properties of zigzag-edged silicene nanoribbons (ZSiNRs) doped by an Al–P bonded pair at different edge positions.

2020 ◽  
Vol 22 (3) ◽  
pp. 1566-1574 ◽  
Author(s):  
Daniel Rabin ◽  
Theodora Kyratsi ◽  
David Fuks ◽  
Yaniv Gelbstein

The influence of Al on the thermoelectric properties of the half-Heusler (HH) TiNiSn compound is reported. The research combined ab initio density functional theory (DFT) calculations with experimental microstructure evaluation and measurements of the transport properties.


2016 ◽  
Vol 18 (39) ◽  
pp. 27468-27475 ◽  
Author(s):  
Yi Zhou ◽  
Jichen Dong ◽  
Hui Li

Using first-principles calculations based on nonequilibrium Green's function together with density functional theory, we investigated the electronic transport properties of some devices consisting of armchair and zigzag MoS2NRs/WS2NRs in-plane heterostructures.


RSC Advances ◽  
2015 ◽  
Vol 5 (14) ◽  
pp. 10675-10679 ◽  
Author(s):  
Jie Ma ◽  
Chuan-Lu Yang ◽  
Mei-Shan Wang ◽  
Xiao-Guang Ma

The effect of the modified sulfur bridge on the I–V characteristics of a two-probe system of tetrapyrimidinyl molecules and Au electrodes is explored based on density functional theory with nonequilibrium Green's function.


2015 ◽  
Vol 3 (39) ◽  
pp. 10085-10090 ◽  
Author(s):  
Tengying Ma ◽  
Shizheng Wen ◽  
Caixia Wu ◽  
Likai Yan ◽  
Min Zhang ◽  
...  

The electronic and transport properties of a series of 11-ASiNRs (armchair silicene nanoribbons) at different torsion angles were studied by using density functional theory combined with nonequilibrium Green's function method.


Author(s):  
Lin Huang ◽  
Yu-Jia Zeng ◽  
Dan Wu ◽  
Nan-Nan Luo ◽  
Ye-Xin Feng ◽  
...  

Achieving high tunneling magnetoresistance (TMR) in molecular-scale junctions is attractive for their applications in spintronics. By using density-functional theory (DFT) in combination with the nonequilibrium Green's function (NEGF) method, we...


2018 ◽  
Vol 280 ◽  
pp. 3-8 ◽  
Author(s):  
A. A. Adewale ◽  
Abdullah Chik ◽  
R. Mohd Zaki ◽  
F. Che Pa ◽  
Yeoh Chow Keat ◽  
...  

Thermoelectric properties of SrTiO3doped with 8%Pm at Sr site were investigated using density functional theory and generalized gradient approximation. The transport properties were calculated based on BoltzTraP code at temperature range 300-1200K. In electronic properties study Fermi level were shifted to conduction band region due to high contribution 4f orbital in Pm. Present study thermoelectric figure of merit ZT result was 0.395 at 300K and 0.638 at 1200K. This shows a considerably good value of ZT for SrTiO3as n-type oxide. Compared to previous work, ZT were at the range of 0.21 - 0.37 for temperature of 300-1000K in Pr, La, Ta and Ho.


RSC Advances ◽  
2016 ◽  
Vol 6 (9) ◽  
pp. 7042-7047 ◽  
Author(s):  
Caiping Cheng ◽  
Huifang Hu ◽  
Zhaojin Zhang ◽  
Haibo Zhang

The band structures and electronic transport properties of AA-P2-doped armchair silicene nanoribbons (ASiNRs) were investigated by applying density-functional theory in combination with the non-equilibrium Green’s function method.


2016 ◽  
Vol 18 (6) ◽  
pp. 4333-4344
Author(s):  
Cuicui Sun ◽  
Guiling Zhang ◽  
Yan Shang ◽  
Zhao-Di Yang ◽  
Xiaojun Sun

Electronic structures and transport properties of prototype MoS2 nanotube (15, 0) nanocables, including undoped PSi@MoS2 and B- and P-doped PSi@MoS2 (where PSi refers to polysilane), are investigated using the density functional theory (DFT) and the non-equilibrium Green's function (NEGF) methods.


Sign in / Sign up

Export Citation Format

Share Document