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Related papers: The high K anomaly in ScAlN explained

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Recently, a method has been proposed to obtain accurate predictions for low-temperature properties of lattice spin glasses that is practical even above the upper critical dimension, $d_c=6$. This method is based on the observation that…

Statistical Mechanics · Physics 2009-11-11 S. Boettcher , S. E. Cooke

We investigate dielectric saturation and increment in polar liquids under external fields. We couple a previously introduced dipolar solvent model to a uniform electric field and derive the electrostatic kernel of interacting dipoles. This…

Soft Condensed Matter · Physics 2015-09-30 Sahin Buyukdagli

The peak of the spin glass relaxation rate, S(t)=d{-M_{TRM}(t,t_w)}/H/{d ln t}, is directly related to the typical value of the free energy barrier which can be explored over experimental time scales. A change in magnetic field H generates…

Disordered Systems and Neural Networks · Physics 2009-10-31 Y. G. Joh , R. Orbach , G. G. Wood , J. Hammann , E. Vincent

CaSb$_2$ is the Dirac line-nodal material that exhibits a superconducting (SC) transition at 1.7 K. In spite of its conventional SC state at ambient pressure, the transition temperature $T_{\mathrm{c}}$ shows a peak structure against…

Superconductivity · Physics 2024-03-06 H. Takahashi , S. Kitagawa , K. Ishida , A. Ikeda , S. R. Saha , S. Yonezawa , J. Paglione , Y. Maeno

It is shown that the charge susceptibility in nearly half-filled two-dimensional (2D) metals, with technically nested Fermi surface, shows anomaly at the wavevector different from that for the spin susceptibility at low temperatures. Namely…

Condensed Matter · Physics 2007-05-23 Kazumasa Miyake , Osamu Narikiyo

Aluminum nitride is a promising ultra-wide band gap semiconductor for optoelectronics and power electronics. However, its practical applications have been limited by challenges with doping and achieving high electrical conductivity. Recent…

Materials Science · Physics 2025-06-12 Amanda Wang , Nick Pant , Woncheol Lee , Jie-Cheng Chen , Feliciano Giustino , Emmanouil Kioupakis

The origin of ice slipperiness has been a matter of great controversy for more than a century, but an atomistic understanding of ice friction is still lacking. Here, we perform computer simulations of an atomically smooth substrate sliding…

Applied Physics · Physics 2024-02-08 Lukasz Baran , Pablo Llombart , Wojciech Rzysko , Luis G. MacDowell

The temperature dependence of the electron spin relaxation time in MgB2 is anomalous as it does not follow the temperature dependence of the resistivity above 150 K, it has a maximum around 400 K, and it decreases for higher temperatures.…

Strongly Correlated Electrons · Physics 2008-10-26 F. Simon , B. Dora , F. Muranyi , A. Janossy , S. Garaj , L. Forro , S. Bud'ko , C. Petrovic , P. C. Canfield

Simultaneous control of structural and physical properties via applied electrical current poses a key, new research topic and technological significance. Studying the spin-orbit-coupled antiferromagnet Ca2RuO4, with 3% Mn doping to weaken…

Strongly Correlated Electrons · Physics 2019-12-18 Hengdi Zhao , Bing Hu , Feng Ye , Christina Hoffmann , Itamar Kimchi , Gang Cao

The appearance of spontaneous polarization in CuInP$_{2}$S$_{6}$ ferrielectrics is related to the second order Jahn-Teller effect for copper cations located in a double-well local potential, the stereoactivity of indium cations located in a…

Soft Condensed Matter · Physics 2024-03-25 R. Yevych , V. Liubachko , V. Hryts , M. Medulych , A. Kohutych , Yu. Vysochanskii

We study Coulomb drag between an active layer with a clean electron liquid and a passive layer with a pinned electron lattice in the regime of fast intralayer equilibration. Such a two-fluid system offers an experimentally realizable way to…

Strongly Correlated Electrons · Physics 2019-12-17 Tobias Holder

Silicene, a two-dimensional (2D) allotrope of silicon, has attracted significant interest for its electronic and mechanical properties, alongside its compatibility with various substrates. In this study, we investigate the structural and…

Materials Science · Physics 2025-05-14 Carlos P. Herrero , Rafael Ramirez

Sc-based III-nitride alloys were studied using Density Functional Theory with special quasi-random structures and were found to retain wide band gaps which stay direct up to x = 0.125 (ScxAl1-xN) and x = 0.375 (ScxGa1-xN). Epitaxial strain…

Materials Science · Physics 2014-07-10 Siyuan Zhang , David Holec , Wai Y. Fu , Colin J. Humphreys , Michelle A. Moram

Determining the electronic phase diagram of a quantum material as a function of temperature (T) and applied magnetic field (H) forms the basis for understanding the microscopic origin of transport properties, such as the anomalous Hall…

We report a combined experimental and theoretical study of KCuF3, which offers - because of this material's relatively simple lattice structure and valence configuration (d9, i.e., one hole in the d-shell) - a particularly clear view of the…

To gain insight into the peculiar temperature dependence of the thermoelectric material SnSe, we employ many-body perturbation theory and explore the influence of the electron-phonon interaction on its electronic and transport properties.…

Materials Science · Physics 2019-05-23 Fabio Caruso , Maria Troppenz , Santiago Rigamonti , Claudia Draxl

We report the results of electrical resistivity, magnetic and thermodynamic measurements on polycrystalline SnSb, whose structure consists of stacks of Sb bilayers and Sn4Sb3 septuple layers along the c-axis. The material is found to be a…

Superconductivity · Physics 2018-11-16 Bin Liu , Jifeng Wu , Yanwei Cui , Hangdong Wang , Yi Liu , Zhicheng Wang , Zhi Ren , Guanghan Cao

We present selected new results on strong interaction physics from the SLD experiment at the SLAC Linear Collider (SLC), symmetry tests of b\bar{b}g vertex, the rate of secondary b\bar{b} production via gluon splitting, the B hadron energy…

High Energy Physics - Experiment · Physics 2007-05-23 Toshinori Abe , representing the SLD Collaboration

The results on the lattice instability, invoked by applying a negative pressure on pure C60 solid, are described. The results of such a calculation are used to correlate the experimentally achieved results on the superconducting transition…

Materials Science · Physics 2016-08-31 V. K. Jindal

`Strange' metals that do not follow the predictions of Fermi liquid theory are prevalent in materials that feature superconductivity arising from electron interactions. In recent years, it has been hypothesized that spatial randomness in…

Strongly Correlated Electrons · Physics 2025-09-15 Aavishkar A. Patel , Peter Lunts , Michael S. Albergo