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Related papers: Magnetic Boron Nitride Nanoribbons with Tunable El…

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Electron and nuclear spins are very promising candidates to serve as quantum bits (qubits) for proposed quantum computers, as the spin degrees of freedom are relatively isolated from their surroundings, and can be coherently manipulated…

Quantum Physics · Physics 2010-08-24 J. van Tol , G. W. Morley , S. Takahashi , D. R. McCamey , C. Boehme , M. E. Zvanut

We undertook an ab-initio study of hexagonal boron nitride (hBN) sandwiched between Ni(111) layers to examine the interface of this material structure. We considered Ni(111)/hBN/Ni(111) with a slab with three Ni atomic layers to determine…

Mesoscale and Nanoscale Physics · Physics 2022-04-15 Halimah Harfah , Yusuf Wicaksono , Muhammad Aziz Majidi , Koichi Kusakabe

Electric-field control of magnetism without electric currents potentially revolutionizes spintronics towards ultralow power. Here by using mechanically coupled phase field simulations, we computationally demonstrate the application of the…

Materials Science · Physics 2017-02-22 Min Yi , Bai-Xiang Xu , Dietmar Gross

Magnetic nanorings have been widely studied due to their potential applications in spintronic and magnonic devices. In this work, by means of analytical calculations and micromagnetic simulations we have analyzed the magnetic energy of…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 M. Castro , A. P. Espejo , N. M. Vargas , D. Altbir , S. Allende , V. L. Carvalho-Santos

We discuss the electronic properties of graphene and graphene nanoribbons including "pseudo-Rashba" spin-orbit coupling. After summarizing the bulk properties, we first analyze the scattering behavior close to an infinite mass and zigzag…

Mesoscale and Nanoscale Physics · Physics 2009-11-03 Tobias Stauber , John Schliemann

In this Letter we show how a single beam optical trap offers the means for three-dimensional manipulation of semiconductor nanorods in solution. Furthermore rotation of the direction of the electric field provides control over the…

Biological Physics · Physics 2012-03-06 C. Robin Head , Elena Kammann , Marco Zanella , Liberato Manna , Pavlos G. Lagoudakis

Fabrication of atomic scale of metallic wire remains challenging. In present work, a nanoribbon with two parallel symmetric metallic and magnetic edges was designed from semiconductive monolayer PtS2 by employing first-principles…

Materials Science · Physics 2017-10-20 Ziran Liu , Shan Liu , Heyu Zhu , Guanghui Zhou

Electronic properties of zigzag boron-carbon-nitride (BCN) nanoribbons, where the outermost C atoms on the edges of graphene nanoribbons are replaced by B or N atoms, are theoretically studied using the first-principles calculations. We…

Mesoscale and Nanoscale Physics · Physics 2012-04-12 T. Kaneko , K. Harigaya , H. Imamura

Graphene nanostructures can be engineered with atomic precision to display customized electronic states with application in spintronics or quantum technologies. In order to take advantage of their full potential, their charge and spin state…

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 exploitation of the spin in charge-based systems is opening revolutionary opportunities for device architecture. Surprisingly, room temperature electrical transport through magnetic nanowires is still an unresolved issue. Here, we show…

Materials Science · Physics 2009-11-10 Varlei Rodrigues , Jefferson Bettini , Paulo C. Silva , Daniel Ugarte

The remarkable transport properties of carbon nanotubes (NTs) are determined by their unique electronic structure (1). The electronic states of a NT form one-dimensional electron and hole subbands which, in general, are separated by an…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 E. D. Minot , Yuval Yaish , Vera Sazonova , Paul L. McEuen

We report the stability and electronic structures of the boron nitride nanotubes (BNNTs) with diameters below 4 A by semi-empirical quantum mechanical molecular dynamics simulations and ab initio calculations. Among them (3,0), (3,1),…

Materials Science · Physics 2009-12-07 Zhuhua Zhang , Wanlin Guo , Yitao Dai

Recently observed quantum emitters in hexagonal boron nitride (hBN) membranes have a potential for achieving high accessibility and controllability thanks to the lower spatial dimension. Moreover, these objects naturally have a high…

Quantum Physics · Physics 2017-12-07 Mehdi Abdi , Myung-Joong Hwang , Mortaza Aghtar , Martin B. Plenio

We study the electronic structure and transport properties of zigzag and armchair monolayer molybdenum disulfide nanoribbons using an 11-band tight-binding model that accurately reproduces the material's bulk band structure near the band…

Mesoscale and Nanoscale Physics · Physics 2017-02-02 Emilia Ridolfi , Leandro R. F. Lima , Eduardo R. Mucciolo , Caio H. Lewenkopf

The geometrical, electronic, and magnetic properties of twisted zigzag-edged graphene nanoribbons (ZGNRs) and novel graphene M\"obius strips (GMS) are systematically investigated using first-principles density functional calculations. The…

Materials Science · Physics 2016-03-28 Sheng-Ying Yue , Qing-Bo Yan , Zhen-Gang Zhu , Hui-Juan Cui , Qing-Rong Zheng , Gang Su

Negatively charged boron vacancies ($\small{V_B^-}$) in hexagonal boron nitride (hBN) have recently gained interest as spin defects for quantum information processing and quantum sensing by a layered material. However, the boron vacancy can…

We have studied zig-zag boron nitride (BN) nanotubes doped with the Ni hexagonal-closepacked nanowire. The doped BN nanotubes are ferromagnetic metals with substantial magnetism. Some special magnetic properties resulting from the…

Materials Science · Physics 2007-05-23 H. J. Xiang , Jinlong Yang , J. G. Hou , Qingshi Zhu

Spin polarized states in neutron matter at strong magnetic fields up to $10^{18}$ G are considered in the model with the Skyrme effective interaction. Analyzing the self-consistent equations at zero temperature, it is shown that a…

Nuclear Theory · Physics 2011-04-07 A. A. Isayev , J. Yang

We investigate the interplay between the edge and bulk states, induced by the Rashba spin-orbit coupling, in a zigzag silicene nanoribbon in the presence of an external electric field. The interplay can be divided into two kinds, one is the…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Xing-Tao An , Yan-Yang Zhang , Jian-Jun Liu , Shu-Shen Li