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Related papers: Elastocaloric Effect in Graphene Kirigami

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Isotopic effects are relevant to understand several properties of solids, and have been thoroughly analyzed along the years. These effects may depend on the dimensionality of the considered solid. Here we assess their magnitude for…

Materials Science · Physics 2020-09-04 Carlos P. Herrero , Rafael Ramirez

The quantum-mechanochemical-reaction-coordinate simulations have been performed to investigate the mechanical properties of hydrogen functionalized graphene. The simulations disclosed atomically matched peculiarities that accompany the…

Materials Science · Physics 2011-08-22 N. A. Popova , E. F. Sheka

Large holes in graphene membranes were recently shown to heal, either at room temperature during a low energy STEM experiment, or by annealing at high temperatures. However, the details of the healing mechanism remain unclear. We carried…

Mesoscale and Nanoscale Physics · Physics 2016-01-11 Tiago Botari , Ricardo Paupitz , Pedro Alves da Silva Autreto , Douglas S Galvao

We report transport and magnetization measurements on graphitic materials that have been hydrogenated after being treated with octane. The temperature-dependent electrical resistivity shows anomalies manifested as re-entrant insulator-metal…

Superconductivity · Physics 2020-05-13 Nadina Gheorghiu , Charles R. Ebbing , Timothy J. Haugan

An applied electric field can reversibly change the temperature of an electrocaloric material under adiabatic conditions, and the effect is strongest near phase transitions. This phenomenon has been largely ignored because only small…

Materials Science · Physics 2009-11-11 A. Mischenko , Q. Zhang , J. F. Scott , R. W. Whatmore , N. D. Mathur

The ancient paper craft of kirigami has recently emerged as a potential tool for the design of functional materials. Inspired by the kirigami concept, we propose a class of kirigami-based metamaterials whose electromagnetic functionalities…

Classical Physics · Physics 2018-09-03 Liqiao Jing , Zuojia Wang , Bin Zheng , Huaping Wang , Yihao Yang , Lian Shen , Wenyan Yin , Erping Li , Hongsheng Chen

The Casimir interaction is omnipresent source of forces at small separations between bodies, which is difficult to change by varying external conditions. Here we show that graphene interacting with a metal can have the best known force…

Other Condensed Matter · Physics 2015-05-30 Vitaly Svetovoy , Zakaria Moktadir , Miko Elwenspoek , Hiroshi Mizuta

The Acoustomagnetoelectric Effect (AME) in Graphene Nanoribbon (GNR) was theoretically studied using the Boltzmann kinetic equation. On open circuit, the general formular for Surface Acoustomagnetoelectric field ($\vec{E}_{SAME}$) in GNR…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 K. A. Dompreh , S. Y. Mensah , S. S. Abukari , R. Edziah , N. G. Mensah , H. A. Quaye

Interaction between carbon nanomaterials and micellar substrates is studied. A notable observation is the dependence of nano-surface topology on thermodynamic signatures of the carbon nanomaterials e.g., single wall carbon nanotube (SWNT),…

Materials Science · Physics 2015-07-08 Tamoghna Bhattacharyaa , Anjan Kr. Dasgupta

To date, there are very few experimental techniques, if any, that are suitable for the purpose of acquiring, with nanoscale lateral resolution, quantitative maps of the thermal expansivity of 2D materials and thin films, despite huge demand…

Applied Physics · Physics 2023-09-11 Victor Wong , Sabastine Ezugwu , Giovanni Fanchini

We discuss the results of several small perturbations to the thermodynamic properties of Kagome Lattice Heisenberg Model (KLHM) at high and intermediate temperatures, including Curie impurities, dilution, in-plane and out of plane…

Strongly Correlated Electrons · Physics 2009-02-23 Rajiv R. P. Singh , Marcos Rigol

Magnetocaloric effect (MCE) was investigated in the single crystal of CsGd(MoO$_4$)$_2$ in the temperature range from 2 to 30 K and fields up to 5 T applied along the easy and hard magnetic axis. The analysis of specific heat and…

Other Condensed Matter · Physics 2017-09-05 V. Tkáč , A. Orendáčová , R. Tarasenko , M. Orendáč , A. Feher

Homogenous graphitic nanofibres (GNFs) have been synthesised by heat treatment of electrospun polyacrylonitrile in dimethylsulphoxide, offering a new solution route of low toxicity to manufacture sub-60 nm diameter GNFs. Fibre beading…

Materials Science · Physics 2010-05-28 Zeynep Kurban , Arthur Lovell , Derek Jenkins , Steve Bennington , Ian Loader , Alex Schober , Neal Skipper

Mechanical waves that travel without inertia are often encountered in nature -- e.g. motion of plants -- yet such waves remain rare in synthetic materials. Here, we discover the emergence of slow kinks in overdamped metamaterials and we…

Soft Condensed Matter · Physics 2022-11-22 Shahram Janbaz , Corentin Coulais

The ability to control electronic properties of a material by externally applied voltage is at the heart of modern electronics. In many cases, it is the so-called electric field effect that allows one to vary the carrier concentration in a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 K. S. Novoselov , A. K. Geim , S. V. Morozov , S. V. Dubonos , Y. Zhang , D. Jiang

Solid-state cooling applications based on the electrocaloric (EC) effect are particularly promising from a technological point of view due to their downsize scalability and natural implementation in circuitry. However, EC effects typically…

Materials Science · Physics 2023-07-19 César Menéndez , Claudio Cazorla

Kirigami, the art of paper cutting, has become a paradigm for mechanical metamaterials in recent years. The basic building blocks of any kirigami structures are repetitive deployable patterns that derive inspiration from geometric art forms…

Soft Condensed Matter · Physics 2021-08-17 Lucy Liu , Gary P. T. Choi , L. Mahadevan

We report observations of well developed half integer quantum Hall effect (QHE) on mono layer graphene films of 7 mm \times 7 mm in size. The graphene films are grown by chemical vapor deposition (CVD) on copper, then transferred to SiO_{2}…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 Tian Shen , Wei Wu , Qingkai Yu , Curt A Richter , Randolph Elmquist , David Newell , Yong P. Chen

Recent work has analysed how deformations due to the insertion of a defect in a flat hexagonal lattice affect the ground state structure of an interacting fermion field theory. Such modifications result in an increase of the order parameter…

High Energy Physics - Theory · Physics 2019-07-22 Antonino Flachi , Vincenzo Vitagliano

We describe magneto-, baro- and elastocaloric effects (MCEs, BCEs and eCEs) in materials which possess both discontinuous (first-order) and continuous (second-order) magnetic phase transitions. Our ab initio theory of the interacting…

Materials Science · Physics 2020-06-03 Eduardo Mendive-Tapia , Julie B. Staunton