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Related papers: Dilute Metals

200 papers

High-pressure metal superhydrides have attracted intense scientific interest due to their remarkable superconducting properties. While superconductivity is known to be sensitive to material composition, compositional variability is often…

Superconductivity · Physics 2025-04-04 Xixi Jia , Haoran Chen , Xiaoqiu Ye , Jian Lv , Xitian Zhang , Hui Wang , Yansun Yao

Cation-disordered solids offer a rich chemical landscape where local coordination, lattice responses, and configurational disorder collectively, yet often implicitly, govern ion transport. In cation-disordered rocksalt oxides, Li+ diffusion…

Oxide superlattices and microstructures hold the promise for creating a new class of devices with unprecedented functionalities. Density-functional studies of the recently fabricated superlattices of lattice-matched perovskite titanates…

Materials Science · Physics 2007-05-23 Z. S. Popovic , S. Satpathy

We study the effect of superconducting fluctuations on the conductivity of metals at arbitrary temperatures $T$ and impurity scattering rates $\tau^{-1}$. Using the standard diagrammatic technique but in the Keldysh representation, we…

Superconductivity · Physics 2018-04-30 Nikolai A. Stepanov , Mikhail A. Skvortsov

The mechanism of ablation of solids by intense femtosecond laser pulses is described in an explicit analytical form. It is shown that at high intensities when the ionization of the target material is complete before the end of the pulse,…

Optics · Physics 2009-11-07 E. G. Gamaly , A. V. Rode , V. T. Tikhonchuk , B. Luther-Davies

It has been recently observed that the conventional electron-phonon mediated superconducting phase in graphene can be easily induced by doping its surface with the lihitum adatoms. Due to the emerging interest in this field of research we…

Superconductivity · Physics 2014-04-03 D. Szczȩśniak , A. P. Durajski , R. Szczȩśniak

Lattice models are crucial for studying thermodynamic properties in many physical, biological and chemical systems. We investigate Lattice Restricted Primitive Model (LRPM) of electrolytes with different discretization parameters in order…

Statistical Mechanics · Physics 2009-11-11 Maxim N. Artyomov , Anatoly B. Kolomeisky

This work unravels the atomic details of the interaction of solute atoms with nanoscale crystalline defects. The complexity of this phenomenon is elucidated through detailed atom probe tomographic investigations on epitaxially-strained,…

Materials Science · Physics 2021-12-22 Samik Mukherjee , Simone Assali , Oussama Moutanabbir

Temperature dependent electrical resistivity, crystal structure and heat capacity measurements reveal a resistivity drop and metal to semiconductor transition corresponding to first order structural phase transition near 400 K in Ca3Co4O9.…

Materials Science · Physics 2012-04-17 Tao Wu , Trevor A. Tyson , Haiyan Chen , Jianming Bai , Hsin Wang , Cherno Jaye

It is shown that the freezeout parameters estimated in the heavy-ion collisions all are well described by a constant value of the entropy density $s$ divided by $T^3$. The value of $s/T^3$ has been taken from the lattice QCD simulations at…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. Tawfik

High $T_c$ cuprate strange metals are noted for a DC-resistivity that scales linearly with $T$ from the onset of superconductivity to the crystal melting temperature, indicative of a Planckian dissipation life time $\tau_{\hbar}\simeq \hbar…

We perform a large scale study of conventional superconducting materials using a machine-learning accelerated high-throughput workflow. We start by creating a comprehensive dataset of around 7000 electron-phonon calculations performed with…

Superconductivity · Physics 2023-07-21 Tiago F. T. Cerqueira , Antonio Sanna , Miguel A. L. Marques

Experiments on a sufficiently disordered two-dimensional (2D) electron system in silicon reveal a new and unexpected kind of metallic behavior, where the conductivity decreases as \sigma (n_s,T)=\sigma (n_s,T=0)+A(n_s)T^2 (n_s-carrier…

Condensed Matter · Physics 2009-10-31 X. G. Feng , Dragana Popovic , S. Washburn , V. Dobrosavljevic

The superconducting and normal state characteristics of yttrium hexaboride (YB$_6$) have been investigated for the single crystals with a transition temperatures $T_c$ ranging between 6 K and 7.6 K. The extracted set of microscopic…

The structural and electrical properties of Ti-N films deposited by reactive sputtering depend on their growth parameters, in particular the Ar:N2 gas ratio. We show that the nitrogen percentage changes the crystallographic phase of the…

A potential superionic material LiY(SO$_4$)$_2$ has been excavated from the published literatures because its synthesis method and experiment data implied it exists the superionic state. We use \textit{ab initio} calculation to analyzing…

Materials Science · Physics 2023-04-19 Siyuan Wu , Ruijuan Xiao , Hong Li , Liquan Chen

A density functional for the lattice gas (Ising model) from fundamental measure theory is applied to the problem of droplet states in three-dimensional, finite systems. Similar to previous simulation studies, the sequence of droplets…

Statistical Mechanics · Physics 2021-09-29 Manuel Maeritz , Martin Oettel

Metal-oxygen complexes containing Cu,- Tl-, Hg-, Bi- and Pb-cations are electronically active in superconducting copper-oxides by stabilizing single phases with enhanced $T_c$, whereas other metal-oxygen complexes deteriorate copper-oxide…

Condensed Matter · Physics 2009-10-28 J. Röhler

In this paper, the effects produced by the iron substitutions in the (Y0.9Ca0.1)Ba2Cu4-xFexO8 system on the superconducting and structural properties are studied. The Rietveld fit of the crystal structure and Mossbauer spectroscopy results…

Superconductivity · Physics 2009-11-07 R. Escamilla , T. Akachi , R. Gomez , V. Marquina , M. L. Marquina , R. Ridaura

Effects of columnar defects created by 320 MeV Au irradiation on 2H-NbSe2 single crystals with a dose equivalent matching field up to 16 T were studied. Critical temperature is found to be suppressed almost linearly at a rate of 0.07 K/T.…

Superconductivity · Physics 2022-06-28 Wenjie Li , Sunseng Pyon , Ataru Ichinose , Satoru Okayasu , Tsuyoshi Tamegai