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Epoxy resins are widely used polymer matrices for numerous applications. Despite substantial advances, the molecular-level knowledge-base required to exploit these materials to their full potential remains limited. A deeper comprehension of…

材料科学 · 物理学 2021-04-07 Xiao Wan , Baris Demir , Meng An , Tiffany R. Walsh , Nuo Yang

The expansiveness of compositional phase space is too vast to fully search using current theoretical tools for many emergent problems in condensed matter physics. The reliance on a deep chemical understanding is one method to identify local…

超导电性 · 物理学 2023-01-26 Lazar Novakovic , Ashkan Salamat , Keith V. Lawler

Several rare earth magnetic pyrochlore materials are well modeled by a spin-1/2 quantum Hamiltonian with anisotropic exchange parameters Js. For the Er2Ti2O7 material, the Js were recently determined from high-field inelastic neutron…

强关联电子 · 物理学 2014-04-11 J. Oitmaa , R. R. P. Singh , A. G. R. Day , B. V. Bagheri , M. J. P. Gingras

A model is constructed to describe the thermal-field emission of electrons from a three-dimensional ($3$D) topological semimetal hosting Dirac/Weyl node(s). The traditional thermal-field electron emission model is generalised to accommodate…

介观与纳米尺度物理 · 物理学 2021-05-21 Wei Jie Chan , Yee Sin Ang , L. K. Ang

The aim of this paper is to contribute to the understanding and to model the processes controlling the amplitude of the wind of Rayleigh-Benard convection. We analyze results from direct simulation of an L/H = 4 aspect-ratio domain with…

流体动力学 · 物理学 2009-09-29 Maarten van Reeuwijk , Harm J. J. Jonker , Kemo Hanjalic

The habitable zone for exomoons with Earth-like properties is a non-trivial manifold, compared to that of Earth-like exoplanets. The presence of tidal heating, eclipses and planetary illumination in the exomoon energy budget combine to…

地球与行星天体物理 · 物理学 2016-02-17 Duncan Forgan , Vera Dobos

Recent advances in our understanding of thermal transport in nanocrystalline systems are responsible for the integration of new technologies into advanced energy systems, including thermoelectric refrigeration systems and renewable energy…

介观与纳米尺度物理 · 物理学 2019-08-12 Brian F. Donovan , Ronald J. Warzoha , R. Bharath Venkatesh , Nicholas T. Vu , Jay Wallen , Daeyeon Lee

Since the discovery of high-temperature superconductivity in the thin-film FeSe/SrTiO$_3$ system, iron selenide and its derivates have been intensively scrutinized. Using ab initio density functional theory calculations we review the…

超导电性 · 物理学 2017-09-07 Daniel Guterding , Harald O. Jeschke , Roser Valenti

Surfaces of three-dimensional topological insulators have emerged as one of the most remarkable states of condensed quantum matter1-5 where exotic electronic phases of Dirac particles should arise1,6-8. Here we report a discovery of surface…

Strain engineering has been used to modify materials properties in ferroelectric, superconducting, and ferromagnetic thin films. The advantage of strain engineering is that it can achieve unexpected enhancement in certain properties, such…

超导电性 · 物理学 2008-08-11 R. Zeng S. X. Dou , L. Lu , W. X. Li , J. H. Kim , P. Munroe , R. K. Zheng , S. P. Ringer

High-temperature thermal properties of three neighboring rare-earth scandates DyScO$_3$, TbScO$_3$ and GdScO$_3$ were compared to La$_{0.29}$Sr$_{0.71}$Al$_{0.65}$Ta$_{0.35}$O$_3$ (LSAT) and sapphire. To calculate thermal conductivity, heat…

材料科学 · 物理学 2018-01-22 Julia Hidde , Christo Guguschev , Steffen Ganschow , Detlef Klimm

We present a non-invasive technique for measuring the thermal conductivity of fragile and sensitive materials. In the context of planet formation research, the investigation of the thermal conductivity of porous dust aggregates provide…

地球与行星天体物理 · 物理学 2015-03-17 Maya Krause , Jürgen Blum , Yuri V. Skorov , Mario Trieloff

In this work we study the effect of the rare earth element in iron oxypnictides of composition REFeAsO (RE=rare earth). On one hand we carry out Density Functional Theory calculations of the band structure, which evidence the multiband…

超导电性 · 物理学 2014-03-19 I. Pallecchi , F. Bernardini , F. Caglieris , A. Palenzona , S. Massidda , M. Putti

In a recent experiment [Nature 642, 58 (2025)], a new record for the superconducting critical temperature $T_c$ among infinite-layer nickelates has been reported in doped SmNiO$_2$. Here, we use the cutting-edge dynamical vertex…

超导电性 · 物理学 2025-12-24 Viktor Christiansson , Karsten Held

We review recent theoretical developments, which suggest that a set of shared principles underpin macroscopic quantum phenomena observed in high temperature super conducting materials, room temperature coherence in photosynthetic processes…

综合物理 · 物理学 2017-01-24 Philip Turner , Laurent Nottale

A physics-based computer model has been developed to support the development of volatile extraction from regolith of the Moon and asteroids. The model is based upon empirical data sets for extraterrestrial soils and simulants, including…

地球与行星天体物理 · 物理学 2023-06-07 Philip T. Metzger , Kris Zacny , Phillip Morrison

The structural, elastic, and electronic properties of the very recently discovered ternary silicide superconductor, Li2IrSi3, have been calculated using ab-initio technique. We have carried out the plane-wave pseudopotential approach within…

超导电性 · 物理学 2015-05-12 M. A. Hadi , M. A. Alam , M. Roknuzzaman , M. T. Nasir , A. K. M. A. Islam , S. H. Naqib

Lower-dimensional TMDC materials are suitable for thermoelectric applications for their specific quantum confinement and being distinct in the density of states (DOS). Here we investigated thermoelectric parameters of the 2D TMDC monolayer…

计算物理 · 物理学 2022-06-22 Chayan Das , Atanu Betal , Jayanta Bera , Satyajit Sahu

This report presents a new technique to probe the quantitative dynamical response of the magnetic field induced heating/cooling process in rare-earth vanadium materials. The approach combines AC susceptibility and AC caloric measurements to…

材料科学 · 物理学 2025-05-16 Yuntian Li , Linda Ye , Mark P. Zic , Arkady Shekhter , Ian R. Fisher

We report for the first time the occurrence of superconductivity in the quaternary silicide carbide YRe2SiC with Tc = 5.9 K. The emergence of superconductivity was confirmed by means of magnetic susceptibility, electrical resistivity, and…