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Related papers: U-carbon: metallic and magnetic

200 papers

Boron forms a wide variety of compounds with alkaline earth elements due to its unique bonding characteristics. Among these, binary compounds of Be and B display particularly rich structural diversity, attributed to the small atomic size of…

Materials Science · Physics 2025-12-05 Xiao Zhang , Shashi Mishra , Elena R. Margine , Emmanouil Kioupakis

A computation methodology based on ab initio evolutionary algorithms and the spin-polarized density functional theory was developed to predict two-dimensional (2D) magnetic materials. Its application to a model system borophene reveals an…

Most recently, Cu-hexahydroxybenzene MOF was for the time experimentally realized, through a kinetically controlled approach. Cu-HHB belongs to the family of conductive MOFs with a chemical formula of M3(C6X6)2(X=NH, O, S). Motivated by the…

Mesoscale and Nanoscale Physics · Physics 2019-03-19 Bohayra Mortazavi , Masoud Shahrokhi , Tanveer Hussain , Xiaoying Zhuang , Timon Rabczuk

The work intends to extend the moir\'e physics to three dimensions. Three-dimensional moir\'e patterns can be realized in ultracold atomic gases by coupling two spin states in spin-dependent optical lattices with a relative twist, a…

Quantum Gases · Physics 2024-10-31 Ce Wang , Chao Gao , Jing Zhang , Hui Zhai , Zhe-Yu Shi

Topological metal/semimetals (TMs) have emerged as a new frontier in the field of quantum materials. A few two-dimensional (2D) boron sheets have been suggested as Dirac materials, however, to date TMs made of three-dimensional (3D) boron…

Materials Science · Physics 2018-10-17 Yan Gao , Yuee Xie , Yuanping Chen , Jinxing Gu , Zhongfang Chen

The discovery of ferromagnetic order in monolayer 2D crystals has opened a new venue in the field of two dimensional (2D) materials. 2D magnets are not only interesting on their own, but their integration in van der Waals heterostructures…

Mesoscale and Nanoscale Physics · Physics 2020-08-24 D. Soriano , M. I. Katsnelson , J. Fernández-Rossier

A new ultra-hard rhombohedral carbon rh-C4 (or hexagonal h-C12) is reported as derived from 3R graphite through crystal chemistry construction and ground state energy within the density functional theory. An extended hexagonal…

Materials Science · Physics 2021-07-14 Samir F. Matar , Vladimir L. Solozhenko

Electronic and structural properties of a 3D carbon allotrope made of Hopf-linked graphenes, which we call a Hopfene - a type of topological crystal, are examined by semi-empirical molecular-orbital and density-functional-theoretical…

Materials Science · Physics 2019-12-30 Isao Tomita , Shinichi Saito

The theoretical framework, which is built from the first-principles results, is successfully developed for investigating emergent two-dimensional (2D) materials, as it is clearly illustrated by carbon substitution in silicene. Computer…

Computational Physics · Physics 2019-12-03 Hai-Duong Pham , Shih-Yang Lin , Godfrey Gumbs , Nguyen Duy Khanh , Ming-Fa Lin

Due to the success achieved by graphene, several 2D carbon-based allotropes were theoretically predicted and experimentally synthesized. We used density functional theory and reactive molecular dynamics simulations to investigate the…

Recently (C.-T. Toh et al., Nature 577, 199 (2020)), the first synthesis of free-standing monolayer amorphous carbon (MAC) was achieved. MAC is a pure carbon structure composed of five, six, seven and eight atom rings randomly distributed.…

Materials Science · Physics 2020-07-21 Levi C. Felix , Raphael M. Tromer , Luiz A. Ribeiro Junior , Douglas S. Galvao

Two-dimensional (2D) chromium-sulfides are synthesized by molecular beam epitaxy using graphene as a substrate. Structure characterization by employing scanning tunneling microscopy and low energy electron diffraction indicates that there…

Since the achievement of quantum degeneracy in gases of chromium atoms in 2004, the experimental investigation of ultracold gases made of highly magnetic atoms has blossomed. The field has yielded the observation of many unprecedented…

We present a novel transparent conductive support structure for two-dimensional (2D) materials that provides an electronically passive 2D/3D interface while also enabling facile interfacial charge transport. This structure, which comprises…

Naturally occurring materials are often disordered, with their bulk properties being challenging to predict from the structure, due to the lack of underlying crystalline axes. In this paper, we develop a digital pipeline from…

Disordered Systems and Neural Networks · Physics 2025-04-15 Caitlyn Obrero , Mastawal Tirfe , Carmen Lee , Sourabh Saptarshi , Christopher Rock , Karen E. Daniels , Katherine A. Newhall

Understanding the conditions which favor crystallisation or vitrification of liquids has been a long-standing scientific problem. Another connected, and not yet well understood question is the relationship between the glassy and the various…

Materials Science · Physics 2012-09-18 Guillaume Ferlat , Ari Paavo Seitsonen , Michele Lazzeri , Francesco Mauri

We review the characteristics of some carbon based novel superconductors which emerged in the past two decades since the discovery of superconductivity in the high-T_c oxocuprates. In particular, we summarize the properties of ternary…

Superconductivity · Physics 2007-05-23 Reinhard K. Kremer , Jun Sung Kim , Arndt Simon

Carbon nanotubes (CNTs) make an ideal one-dimensional (1D) material platform for the exploration of exotic physical phenomena under extremely strong quantum confinement. The 1D character of electrons, phonons and excitons in individual CNTs…

Mesoscale and Nanoscale Physics · Physics 2019-03-18 Weilu Gao , Junichiro Kono

Nonlinear vibrations in strained monoatomic carbon chains are studied with the aid of ab initio methods based on the density functional theory. An unexpected phenomenon of structural transformation at the atomic level above a certain value…

Pattern Formation and Solitons · Physics 2016-05-23 G. M. Chechin , D. A. Sizintsev , O. A. Usoltsev

We report on magnetic properties of cubic compound Cu3TeO6 studied by $ac$ and $dc$ susceptibility and neutron powder diffraction for the first time. A novel magnetic lattice, three dimensional spin web, composed of almost planar regular…

Strongly Correlated Electrons · Physics 2009-11-11 M. Herak , H. Berger , M. Prester , M. Miljak , I. Zivkovic , O. Milat , D. Drobac , S. Popovic , O. Zaharko