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Related papers: Nearly Free Electron States in MXenes

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The family of two-dimensional transition metal carbides, so called MXenes, has recently found new members with ordered double transition metals M$'_2$M$"$C$_2$, where M$'$ and M$"$ stand for transition metals. Here, using a set of…

Materials Science · Physics 2016-10-04 Mohammad Khazaei , Ahmad Ranjbar , Masao Arai , Seiji Yunoki

We have investigated structure, electronic, and magnetic properties of metal-terminated zigzag graphene nanoribbons (M-ZGNRs) by first-principles calculations. Two families of metal terminations are studied: (1) 3d-transition metals (TMs)…

Mesoscale and Nanoscale Physics · Physics 2010-11-30 Yan Wang , Chao Cao , Hai-Ping Cheng

As emerging atomically ultrathin metal compounds, MXenes show great promise for catalysts and nanoelectronics applications due to the abundant surface terminations and high metallic conductivity. However, the tendency of the interlayer…

Materials Science · Physics 2022-10-18 Qiye Guan , Hejin Yan , Yongqing Cai

Understanding the complexities of electronic and magnetic ground states in solids is one of the main goals of solid-state physics. Materials with the canonical ThCr$_2$Si$_2$-type structure have proved particularly fruitful in this regards,…

Strongly Correlated Electrons · Physics 2015-06-12 James R. Neilson , Anna Llobet , Jiajia Wen , Matthew R. Suchomel , Tyrel M. McQueen

By combining bulk sensitive soft-X-ray angular-resolved photoemission spectroscopy and accurate first-principles calculations we explored the bulk electronic properties of WTe$_2$, a candidate type-II Weyl semimetal featuring a large…

Monolayer transition metal dichalcogenides (MX2) are promising candidates for future electronics. Although the transport properties (e.g. mobility) at low electric field have been widely studied, there are limited studies on high-field…

Materials Science · Physics 2020-11-04 Chenmu Zhang , Long Cheng , Yuanyue Liu

Using angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations, we systematically studied the electronic band structure of Mn$_3$Ge in the vicinity of the Fermi level. We observe several bands…

High mobility two-dimensional electron gases (2DEGs) underpin today's silicon based devices and are of fundamental importance for the emerging field of oxide electronics. Such 2DEGs are usually created by engineering band offsets and charge…

Strongly Correlated Electrons · Physics 2016-12-13 S. McKeown Walker , F. Y. Bruno , F. Baumberger

Graphene antidot lattices have recently been proposed as a new breed of graphene-based superlattice structures. We study electronic properties of triangular antidot lattices, with emphasis on the occurrence of dispersionless (flat) bands…

Mesoscale and Nanoscale Physics · Physics 2009-07-16 Mihajlo Vanevic , Vladimir M. Stojanovic , Markus Kindermann

Phosphorene, a honeycomb structure of black phosphorus, was isolated recently. We investigate electric properties of phosphorene nanoribbons based on the tight-binding model. A prominent feature is the presence of quasi-flat edge bands…

Mesoscale and Nanoscale Physics · Physics 2014-11-10 Motohiko Ezawa

The transition metal nitride BaHfN$_2$, which consists of weakly bonded neutral slabs of closed shell ions, has structural and chemical similarities to other layered nitrides which have impressive superconducting T$_c$ when electron doped:…

Materials Science · Physics 2010-10-20 Amandeep Kaur , Erik R. Ylvisaker , Yan Li , Giulia Galli , Warren E. Pickett

We present a brief review of experimental and theoretical papers on studies of electron transport and magnetic properties in manganese-based compounds Mn$_2$YZ and Mn$_3$Z (Y = V, Cr, Fe, Co, Ni, etc.; Z = Al, Ge, Sn, Si, Pt, etc.). It has…

Materials Science · Physics 2023-09-26 V. V. Marchenkov , V. Yu. Irkhin

I propose monoradical nanographenes without C3 symmetry as building blocks to design two-dimensional (2D) carbon crystals. As representative examples I study the honeycomb and Kagome lattices, showing that by replacing the sites with…

Mesoscale and Nanoscale Physics · Physics 2023-06-09 Ricardo Ortiz

SrMnSb$_2$ is suggested to be a magnetic topological semimetal. It contains square, 2D Sb planes with non-symmorphic crystal symmetries that could protect band crossings, offering the possibility of a quasi-2D, robust Dirac semi-metal in…

We have carried out an ab initio study of the structural, electronic and magnetic properties of zigzag graphene nanoribbons on Cu(111), Ag(111) and Au(111). Both, H-free and H-terminated nanoribbons are considered revealing that the…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Yan Li , Wei Zhang , Markus Morgenstern , Riccardo Mazzarello

Two-dimensional transition metal dichalcogenides represent an emerging class of materials exhibiting various intriguing properties, and integration of such materials for potential device applications will necessarily encounter creation of…

Materials Science · Physics 2016-02-25 Ping Cui , Jin-Ho Choi , Wei Chen , Jiang Zeng , Chendong Zhang , Chih-Kang Shih , Zhenyu Li , Zhenyu Zhang

Using angle resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations we studied the low-energy electronic structure of bulk ZrTe$_2$. ARPES studies on ZrTe$_2$ demonstrate free charge carriers at the…

While boron nitride (BN) substrates have been utilized to achieve high electronic mobilities in graphene field effect transistors, it is unclear how other layered two dimensional (2D) crystals influence the electronic performance of…

Low-dimensional metal-semiconductor vertical heterostructures (VH) are promising candidates in the search of electronic devices at the extreme limits of miniaturization. Within this line of research, here we present a…

We study the electronic transport properties of two-dimensional (2D) fully-hydrogenated borophene (namely, borophane), using the density functional theory and non-equilibrium Green's function approaches. Borophane shows a perfect electrical…

Materials Science · Physics 2018-10-17 Yipeng An , Jutao Jiao , Yusheng Hou , Hui Wang , Dapeng Wu , Tianxing Wang , Zhaoming Fu , Guoliang Xu , Ruqian Wu
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