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Control of atomic-scale interfaces between materials with distinct electronic structures is crucial for the design and fabrication of most electronic devices. In the case of two-dimensional (2D) materials, disparate electronic structures…

We report here the growth and characterization of functional oxide nanowire of hole doped manganite of La0.5Sr0.5MnO3 (LSMO). We also report four probe electrical resistance measurement of single nanowire of LSMO (diameter ~ 45nm) using FIB…

Materials Science · Physics 2013-04-02 Subarna Datta , Sayan Chandra , Sudeshna Samanta , K. Das , H. Srikanth , Barnali Ghosh

We systematically investigate the electronic structures of pristine monolayer WSe$_2$ and WSe$_2$ superlattices with periodic nitrogen substitution. Unlike random doping, which often introduces in-gap impurity states, periodic nitrogen…

Mesoscale and Nanoscale Physics · Physics 2026-01-15 Yi-Cheng Lo , Liao Jia Wang , Yu-Chang Chen

The newly synthesized ultrathin carbon nanothreads have drawn great attention from the carbon community. Here, based on first-principles calculations, we investigate the electronic properties of carbon nanothreads under the influence of two…

Materials Science · Physics 2018-03-14 Weikang Wu , Bo Tai , Shan Guan , Shengyuan A. Yang , Gang Zhang

We report on the experimental realization of Pb1-xSnxTe pentagonal nanowires (NWs) with [110] orientation using molecular beam epitaxy techniques. Using first-principles calculations, we investigate the structural stability in NWs of SnTe…

Electronic structure of layered van der Waals ferromagnet CrI$_{3}$ is studied with self consistent diagrammatic approaches beyond GW approximation. Considerable improvement in the calculated band gap as compared to the non-self-consistent…

Materials Science · Physics 2021-09-01 Andrey L. Kutepov

The electronic band structure of Ga(PAsN) with a few percent of nitrogen is calculated in the whole composition of Ga(PAs) host using the state-of-the-art density functional methods including the modified Becke-Johnson functional to…

Materials Science · Physics 2021-09-10 Maciej P. Polak , Robert Kudrawiec , Oleg Rubel

Bandgap engineering of low-dimensional materials forms a robust basis for advancements in optoelectronic technologies. Platinum diselenide (PtSe2) material exhibits a transition from semi-metal to semiconductor (SM-SC) when going from bulk…

Materials Science · Physics 2024-07-08 Rania Amairi , Adlen Smiri , Sihem Jaziri

Graphene nanoribbons (GNRs) are a novel and intriguing class of materials in the field of nanoelectronics, since their properties, solely defined by their width and edge type, are controllable with high precision directly from synthesis.…

In this article we employ density functional theory in the generalized gradient approximation to investigate the structural and electronic properties of the solid solution alloy $\text{Zn}\text{Se}_x\text{S}_{1-x}$ in the wurtzite…

Materials Science · Physics 2022-05-18 S. Sarkar , O. Eriksson , D. D. Sarma , I. Di Marco

We report on the optical and physical characterization of metallic nanowire (NW) metamaterials fabricated by electrodeposition of ~30 nm diameter gold nanowires in nano-porous anodic aluminum oxide. We observe a uniaxial anisotropic…

In this work we have employed density-functional theory with hybrid functionals to investigate the atomic and electronic structure of bare and hydrogenated Mn doped ZnO nanowires with small diameter. We determine changes in magnetic and…

Materials Science · Physics 2018-10-23 A. L. Rosa , L. L. Tacca , E. N. Lima , Th. Frauenheim

The LnSbTe (Ln = Lanthanides) family, like isostructural ZrSiS type compounds, has emerged as a fertile playground for exploring the interaction of electronic correlations and magnetic ordering with the nodal line band topology. Here, we…

Moderate amount of bending strains, ~3% are enough to induce the semiconductor-metal transition in Si nanowires of ~4nm diameter. The influence of bending on silicon nanowires of 1 nm to 4.3 nm diameter is investigated using molecular…

Mesoscale and Nanoscale Physics · Physics 2017-03-14 M. Golam Rabbani , Sunil R. Patil , M. P. Anantram

We study an electronic structure of CeRhSb$_{1-x}$Sn$_x$ system, which displays quantum critical transition from a Kondo insulator to a non-Fermi liquid at $x=0.13$. We provide ultraviolet photoelectron spectra of valence band obtained at…

Strongly Correlated Electrons · Physics 2020-03-13 R. Kurleto , J. Goraus , M. Rosmus , A. Ślebarski , P. Starowicz

First principles FPLAPWcalculations were performed in the framework of Density Functional Theory (DFT), to study the electronic structures and magnetic properties for the new full-Heusler compounds: Sc2CoZ (Z=Si, Ge, Sn). The investigated…

Materials Science · Physics 2014-03-25 A. Birsan

The energetic stability and electronic properties of hydrogenated silicon carbide nanowires (SiCNWs) with zinc blende (3C) and wurtzite (2H) structures are investigated using first-principles calculations within density functional theory…

Materials Science · Physics 2015-09-02 Zhenhai Wang , Mingwen Zhao , Tao He , Hongyu Zhang , Xuejuan Zhang , Zexiao Xi , Shishen Yan , Xiangdong Liu , Yueyuan Xia

Ultrathin InAs nanowires (NW) with one-dimensional (1D) sub-band structure are promising materials for advanced quantum-electronic devices, where dimensions in the sub-30 nm diameter limit together with post-CMOS integration scenarios on Si…

Using large scale molecular dynamics simulations, we study the thermal conductivity of bare and surface passivated silicon nanowires (SiNWs). For the cross-sectional widths $w \le 2$ nm, SiNWs become unstable because of the surface…

Mesoscale and Nanoscale Physics · Physics 2024-06-25 Céline Ruscher , Robinson Cortes-Huerto , Robert Hannebauer , Debashish Mukherji , Alireza Nojeh , A. Srikantha Phani

The geometrical and electronic structure properties of $<100>$ and $<110>$ silicon nanowires in the absence of surface passivation are studied by means of density-functional calculations. As we have shown in a recent publication [R. Rurali…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 R. Rurali , A. Poissier , N. Lorente
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