English
Related papers

Related papers: Artificial Material with Negative Thermal Expansio…

200 papers

The paper considers the transmission problems for Helmholtz equation with bodies that have negative material parameters. Such material parameters are used to model metals on optical frequencies and so-called metamaterials. As the absorption…

Mathematical Physics · Physics 2015-04-15 Henrik Kettunen , Matti Lassas , Petri Ola

In this work, we establish a theoretical analysis of the emergence of layer-contrasted Nernst response perpendicular to the direction of the temperature gradient in twisted moir\'{e} layers, called layer Nernst effect (LNE). This phenomenon…

Superconductivity · Physics 2024-05-10 Jin-Xin Hu , Chuanchang Zeng , Yugui Yao

A simple formula for coordinates of carbon atoms in a unit cell of a single-walled nanotube (SWNT) is presented and the potential of neon (Ne) inside an infinitely long SWNT is analytically derived under the assumption of pair-wise…

Mesoscale and Nanoscale Physics · Physics 2007-06-11 Z. C. Tu , Z. C. Ou-Yang

The concept of the broadband epsilon-near-zero meta-atom consisting of layered stacks with specified metallic filling ratio and thickness is proposed based on the Bergman spectral representation of the effective permittivity. The step-like…

Optics · Physics 2015-06-15 Lei Sun , Jie Gao , Xiaodong Yang

Manipulating materials with atomic-scale precision is essential for the development of next-generation material design toolbox. Tremendous efforts have been made to advance the compositional, structural, and spatial accuracy of material…

This paper presents simulations of the physical aging of a binary Kob-Andersen-type Lennard-Jones liquid following large temperature up-jumps from equilibrated states of high relaxation time. The purpose is to investigate how well the…

Soft Condensed Matter · Physics 2026-04-14 Aude Y. Amari , Lorenzo Costigliola , Jeppe C. Dyre

We discovered unique uniaxial negative thermal expansion (NTE) behavior for a weak-itinerant-ferromagnetic phase of CoZr$_{2}$H$_{3.49}$. CoZr$_{2}$ is known as a superconductor exhibiting uniaxial NTE along the $c$-axis, which is called…

Materials Science · Physics 2025-09-26 Yuto Watanabe , Kota Suzuki , Takayoshi Katase , Akira Miura , Aichi Yamashita , Yoshikazu Mizuguchi

Materials that behave like machines, e.g. functional materials that are able to change shape in response to external stimuli (Bhattacharya and James, 2005), often do so by exploiting phase transitions. Shape memory materials and the tail…

Materials Science · Physics 2019-03-13 Matthew P. O'Donnell , Jonathan P. Stacey , Isaac V. Chenchiah , Alberto Pirrera

The anomalous Nernst effect (ANE) gives rise to an electrical response transverse to the magnetization and an applied temperature gradient in a magnetic metal. A nanoscale temperature gradient can be generated by the use of a laser beam…

Mesoscale and Nanoscale Physics · Physics 2024-07-19 Atul Pandey , Jitul Deka , Jiho Yoon , Chris Koerner , Rouven Dreyer , James M. Taylor , Stuart S. P. Parkin , Georg Woltersdorf

Using atomistic simulations we investigate the thermodynamical properties of a single atomic layer of hexagonal boron nitride (h-BN). The thermal induced ripples, heat capacity, and thermal lattice expansion of large scale h-BN sheets are…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Sandeep Kumar Singh , M. Neek-Amal , S. Costamagna , F. M. Peeters

In this work we study the inversion temperature associated with the Joule-Thomson expansion from the thermodynamics of AdS-Reissner-N\"ordstrom black holes. We include quantum corrections in a cosmological fluid that can describe phantom…

General Relativity and Quantum Cosmology · Physics 2024-04-25 J. P. Morais Graça , Eduardo Folco Capossoli , Henrique Boschi-Filho , Iarley P. Lobo

Scandium fluoride (ScF3) belongs to a class of negative thermal expansion (NTE) materials. It shows a strong lattice contraction up to about 1000 K switching to expansion at higher temperatures. Here the NTE effect in ScF3 is studied in the…

Materials Science · Physics 2020-02-25 D. Bocharov , M. Krack , Yu. Rafalskij , A. Kuzmin , J. Purans

The thermal expansion and magnetic properties of antiperovskite manganese nitrides Ag1-xNMn3+x were reported. The substitution of Mn for Ag effectively broadens the temperature range of negative thermal expansion and drives it to cryogenic…

Strongly Correlated Electrons · Physics 2015-03-05 J. C. Lin , P. Tong , W. Tong , S. Lin , B. S. Wang , W. H. Song , Y. M. Zou , Y. P. Sun

The in-plane coefficient of thermal expansion (CTE) for CdSe nanoplatelets with the zinc-blende structure containing from two to five monolayers is calculated from first principles within the quasiharmonic approximation. A comparison of the…

Materials Science · Physics 2019-08-14 Alexander I. Lebedev

We have carried out $^{125}$Te nuclear magnetic resonance (NMR) in a wide temperature range of 1.5 -- 300 K to investigate electronic properties of Ge$_{50}$Te$_{50}$, Ag$_{2}$Ge$_{48}$Te$_{50}$ and Sb$_{2}$Ge$_{48}$Te$_{50}$ from a…

Materials Science · Physics 2016-08-24 J. Cui , E. M. Levin , Y. Lee , Y. Furukawa

We investigate the basic thermal, mechanical and structural properties of body centred cubic iron ($\alpha$-Fe) at several temperatures and positive loading by means of Molecular Dynamics simulations in conjunction with the embedded-atom…

Materials Science · Physics 2017-02-17 Kostadin G. Gaminchev

Thermal tomography is an imaging technique for deducing information about the internal structure of a physical body from temperature measurements on its boundary. This work considers time-dependent thermal tomography modeled by a parabolic…

Numerical Analysis · Mathematics 2017-07-25 Nuutti Hyvönen , Lauri Mustonen

We analyze the surface energy and boundary layers for a chain of atoms at low temperature for an interaction potential of Lennard-Jones type. The pressure (stress) is assumed small but positive and bounded away from zero, while the…

Probability · Mathematics 2021-01-22 Sabine Jansen , Wolfgang König , Bernd Schmidt , Florian Theil

An analytical form has been derived using Ostrogradski's integration method for the interaction between two thin rods of finite lengths in arbitrary relative configurations in a 3-dimensional space, each treated as a line of material points…

Soft Condensed Matter · Physics 2024-05-08 Junwen Wang , Gary Seidel , Shengfeng Cheng

Correlation between thermal expansions $\beta(T)$ and heat capacity $C(T)$ of atomic and molecular crystals, amorphous materials with a structural disorder, carbon nanomaterials (fullerite C$_{60}$, bundles SWCNTs of single-walled carbon…

Soft Condensed Matter · Physics 2023-08-15 M. S. Barabashko , A. I. Krivchikov , R. Basnukaeva , O. A. Korolyuk , A. Jeżowski
‹ Prev 1 3 4 5 6 7 10 Next ›