English
Related papers

Related papers: Unconventional and Exotic Magnetism in Carbon-Base…

200 papers

Boron carbonitride (BxCyNz) represents an interesting family of materials containing all light elements and two dimensional graphene like hybrid layers. Although rich literature exists on this peculiar material in chemically processed form,…

Realizing controllable room-temperature ferromagnetism in carbon-based materials is one of recent prospects. The magnetism in graphene nanostructures reported previously is mostly formed near the vacancies, zigzag edges, or impurities by…

Mesoscale and Nanoscale Physics · Physics 2025-11-05 Wei-Jian Li , Shi-Chang Xiao , Da-Fei Sun , Chang-De Gong , Shun-Li Yu , Yuan Zhou

Magnetic order emerging in otherwise non-magnetic materials as carbon is a paradigmatic example of a novel type of s-p electron magnetism predicted to be of exceptional high-temperature stability. It has been demonstrated that atomic scale…

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…

Engineering all fundamental magnetic phases within a single material platform would mark a significant milestone in materials science and spintronics, reducing complexity and costs in device fabrication by eliminating the need for…

In this article we discuss confinement of electrons in graphene via smooth magnetic fields which are finite everywhere on the plane. We shall consider two types of magnetic fields leading to systems which are conditionally exactly solvable…

Mesoscale and Nanoscale Physics · Physics 2021-09-29 Dai-Nam Le , Van-Hoang Le , Pinaki Roy

Graphene is intrinsically non-flat and corrugates randomly. Since the corrugating physics of atomically-thin graphene is strongly tied to its electronics properties, randomly corrugating morphology of graphene poses significant challenge to…

Mesoscale and Nanoscale Physics · Physics 2011-11-10 Teng Li

We present an ab initio DFT study of the magnetic moments that arise in graphite by creating single carbon vacancies in a 3-D graphite network, using a full potential, all electron, spin polarized electronic structure calculations. In…

The conditions for spontaneous magnetization in a single graphene sheet are discussed in the context of Mermin-Wagner theorem. It is rigorously proved that at any nonzero temperature the graphene monolayer is nonmagnetic as long as its…

Mesoscale and Nanoscale Physics · Physics 2012-11-08 L. Wojtczak

By introducing a strain rate generated pseudo-electric field, we discuss a magnetic response of a plastically deformed graphene. Our results demonstrate the appearance of dislocation induced paramagnetic moment in a zero applied magnetic…

Mesoscale and Nanoscale Physics · Physics 2013-09-27 S. Sergeenkov , F. M. Araujo-Moreira

When magnets are fashioned into nanoscale elements, they exhibit a wide variety of phenomena replete with rich physics and the lure of tantalizing applications. In this topical review, we discuss some of these phenomena, especially those…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 Bivas Rana , Amrit Kumar Mondal , Supriyo Bandyopadhyay , Anjan Barman

Since the initial isolation of few-layer graphene, a plethora of two-dimensional atomic crystals has become available, covering almost all known materials types including metals, semiconductors, superconductors, ferro- and antiferromagnets.…

Mesoscale and Nanoscale Physics · Physics 2022-07-01 Yìlè Yīng , Ulrich Zülicke

We predict that neutral graphene bilayers are pseudospin magnets in which the charge density-contribution from each valley and spin spontaneously shifts to one of the two layers. The band structure of this system is characterized by a…

Strongly Correlated Electrons · Physics 2008-01-18 Hongki Min , Giovanni Borghi , Marco Polini , A. H. MacDonald

We study the effect of a sharply localized magnetic field on the electron transport in a strip (ribbon) of graphene sheet, which allows to give results for the transmission and reflection probability through magnetic barriers. The magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Abdulaziz D. Alhaidari , Hocine Bahlouli , Abderrahim El Mouhafid , Ahmed Jellal

Carbon is likely the most fascinating element of the periodic table because of the diversity of its allotropes stemming from its variable (sp, sp2, and sp3) bonding motifs. Exploration of new forms of carbon has been an eternal theme of…

The phase diagram of graphene decorated with magnetic adatoms distributed either on a single sublattice, or evenly over the two sublattices, is computed for adatom concentrations as low as $\sim1\%$. Within the framework of the $s$-$d$…

Mesoscale and Nanoscale Physics · Physics 2019-01-28 Frederico J. Sousa , B. Amorim , Eduardo V. Castro

Carbon nanoconductors are known to have extraordinary mechanical strength and interesting magnetic properties. Moreover, nanoconductors based on one- or two-dimensional carbon allotropes display a very high current-carrying capacity and…

Mesoscale and Nanoscale Physics · Physics 2024-07-03 Susanne Leitherer , Nick R. Papior , Mads Brandbyge

Low dimensional carbon-based materials are interesting because they can show intrinsic $\pi$-magnetism associated to p-electrons residing in specific open-shell configurations. Consequently, during the last years there have been impressive…

The interaction of graphene with neighboring materials and structures plays an important role in its behavior, both scientifically and technologically. The interactions are complicated due to the interplay between surface forces and…

Materials Science · Physics 2015-06-05 J. Scott Bunch , Martin L. Dunn

Interfacial ice on graphene has attracted much attention because it is a model system to study two-dimensional (2D) ice structures on chemically inert substrates. While water-graphene interaction was usually assumed to be negligible, the…

Materials Science · Physics 2020-07-03 Sheng Han , Jia-Bin Qiao , Lin-Fang Hou , Yi-Wen Liu , Yu Zhang , Zi-Han Guo , Long-Jing Yin , Ya-Ning Ren , Wei Ji , Lin He
‹ Prev 1 8 9 10 Next ›