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Related papers: Half-Metallic Ferromagnetism in Transition-Metal D…

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A first-principles formalism is employed to investigate the interaction of iron oxide (FeO) with a boron nitride (BN) nanotube. The stable structure of the FeO-nanotube has Fe atoms binding N atoms, with bond length of roughly $\sim$2.1…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Ronaldo J. C. Batista , Alan B. de Oliveira , Daniel L. Rocco

The electronic and magnetic properties of transition-metal doped $\beta$-Ge3N4 have been studied using first-principles calculations. The results show that the substitutional transition-metal impurities tend to cluster. The V and Cr doped…

Materials Science · Physics 2015-05-18 Sheng-Li Zhang , Wei Wang , Er-Hu Zhang

We investigate by means of DFT/GGA+U calculations the electronic and structural properties of magnetic nanotubes composed of an iron oxide monolayer and (n,0) Boron Nitride (BN) nanotubes, with n ranging from 6 up to 14. The formation…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Ronaldo J. C. Batista , Alan B. de Oliveira , Natália R. Pereira , Rafael S. Paolini , Taíse M. Manhabosco

We perform first-principles calculations based on density functional theory to study quasi one-dimensional edge-passivated (with hydrogen) zigzag graphene nanoribbons (ZGNRs) of various widths with chemical dopants, boron and nitrogen,…

Materials Science · Physics 2009-03-10 Sudipta Dutta , Arun K. Manna , Swapan K. Pati

We report the results of \textit{ab initio} simulations of the electronic properties of a chain of C$_{60}$ molecules encapsulated in a boron nitride nanotube - so called BN-nanopeapod. It is demonstrated that this structure can be…

Mesoscale and Nanoscale Physics · Physics 2012-12-07 Vladimir Timoshevskii , Michel Cote

In this paper, structural and electronic properties and stability of (10, 0) born nitride nanotube (BNNT) are considered within density functional theory by doping group IV elements of the periodic table. The HOMO-LUMO gap has been strongly…

Materials Science · Physics 2017-09-05 Ali Bahari , Amir Jalalinejad , Mosahhar Bagheri , Masoud Amiri

We report a first principles systematic study of atomic, electronic, and magnetic properties of hydrogen saturated silicon nanowires (H-SiNW) which are doped by transition metal (TM) atoms placed at various interstitial sites. Our results…

Materials Science · Physics 2012-04-25 E. Durgun , D. I. Bilc , S. Ciraci , Ph. Ghosez

First-principles calculations reveal half metallicity in zigzag boron nitride (BN) nanoribbons (ZBNNRs). When the B edge, but not the N edge, of the ZBNNR is passivated, despite being a pure $sp$-electron system, the ribbon shows a giant…

Materials Science · Physics 2025-09-10 Fawei Zheng , Gang Zhou , Zhirong Liu , Jian Wu , Wenhui Duan , Bing-Lin Gu , S. B. Zhang

We perform first-principles calculations to investigate the structural and electronic properties of metal-doped (10, 0) carbon nanotubes (CNTs) on a single hexagonal boron nitride (hBN) sheet in the presence of an external electric field.…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 Seoung-Hun Kang , Gunn Kim , Young-Kyun Kwon

We report on a theoretical study of electronic and magnetic properties of hydrogen-saturated InSe nanoribbons (H-ZISNs). Based on hybrid-functional first-principles calculations, we find that H-ZISNs exhibit tunable half-metallicity and…

Computational Physics · Physics 2018-11-14 Weiqing Zhou , Guodong Yu , A. N. Rudenko , Shengjun Yuan

Using density functional theory, we predict half-metallicity in edge hydrogenated armchair boron nitride nanoribbons (ABNNRs). The predicted spin polarization is analyzed in detail by calculating electronic and magnetic properties of these…

Motivated by the ongoing interest in nitrides as materials for spintronics applications we have studied effects of doping with magnetic transition-metal elements (T=Cr,Mn,Fe,Co and Ni) on the electronic properties of semiconducting scandium…

Materials Science · Physics 2020-09-23 Fares Benissad , Abdesalem Houari

The temperature dependent thermoelectric power (TEP) of boron and nitrogen doped multi-walled carbon nanotube mats has been measured showing that such dopants can be used to modify the majority conduction from p-type to n-type. The TEP of…

We study the electronic structure and magnetic properties of h-BN triangular clusters embedded in graphene supercells. We find that, depending on the sizes of the clusters and the graphene separation region between them, spin polarization…

Mesoscale and Nanoscale Physics · Physics 2012-12-05 Marcos G. Menezes , Rodrigo B. Capaz

The unusual band structure of carbon nanotubes (CNs) results in their remarkable magnetic properties. The application of magnetic field parallel to the tube axis can change the conducting properties of the CN from metallic to semiconducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Magdalena Marganska , Marek Szopa , Elzbieta Zipper

We perform density functional calculations on one-dimensional zigzag edge graphene nano-ribbons (ZGNRs) of different widths, with and without edge doping including semi-local exchange-correlations. Our study reveals that, although the…

Materials Science · Physics 2008-06-13 Sudipta Dutta , Swapan K. Pati

From first-principles calculations, we predict that transition metal (TM) atom doped silicon nanowires have a half-metallic ground state. They are insulators for one spin-direction, but show metallic properties for the opposite spin…

Materials Science · Physics 2007-05-23 Engin Durgun , Deniz Cakir , Nurten Akman , Salim Ciraci

The multifunctional materials with prominent properties such as electrical, ferroelectric, magnetic, optical and magneto-optical are of keen interest to several practical implications. In the roadmap of designing such materials, in the…

Materials Science · Physics 2023-07-07 Chandan Kumar Vishwakarma , B. K. Mani

The electronic structures of boron nitride nanotubes (BNNTs) doped by organic molecules are investigated with density functional theory. Electrophilic molecule introduces acceptor states in the wide gap of BNNT close to the valence band…

Materials Science · Physics 2009-11-13 Wei He , Zhenyu Li , Jinlong Yang , J. G. Hou

We performed ab initio calculation on the pristine and carbon-doped (5,5) and (9,0) BN nanotubes. It was found that Carbon substitution for either boron or nitrogen in BN nanotubes can induce spontaneous magnetization. Calculations based on…

Materials Science · Physics 2009-11-11 R. Wu , G. Peng , L. Liu , Y. P. Feng
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