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Related papers: Energy of Ni/Ni$_{3}$Al Interface: a Temperature-D…

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Measurements of magneto-thermopower (S(H, T)) of interfacial delta doped LaTiO$_3$/SrTiO$_3$ (LTO/STO) heterostructure by an iso-structural antiferromagnetic perovskite LaCrO$_3$ are reported. The thermoelectric power of the pure LTO/STO…

Strongly Correlated Electrons · Physics 2015-06-03 Shubhankar Das , P. C. Joshi , A. Rastogi , Z. Hossain , R. C. Budhani

We investigate on-site Coulomb interaction energy between two 3p holes U(Ni 3p) of ultrathin NiO films on Ag(001) by both x-ray photoelectron spectroscopy and Auger electron spectroscopy. As the film becomes thin, U(Ni 3p) monotonically…

Strongly Correlated Electrons · Physics 2011-07-14 Seolun Yang , H. -K. Park , J. -S. Kim , H. -N. Hwang , C. -C. Hwang , S. -H. Phark , Y. J. Chang , T. W. Noh , H. -D. Kim

Specific heat has been measured down to 600 mK and up to 8 Tesla by the highly sensitive AC microcalorimetry on the MgCNi3 single crystals with Tc ~ 7 K. Exponential decay of the electronic specific heat at low temperatures proved that a…

The correlation energy of the homogeneous three-dimensional interacting electron gas is calculated using the variational and fixed-node diffusion Monte Carlo methods, with trial functions that include backflow and three-body correlations.…

Strongly Correlated Electrons · Physics 2009-10-31 Yongkyung Kwon , D. M. Ceperley , Richard M. Martin

Interfaces have long been known to be the key to many mechanical and electric properties. To nickel base superalloys which have perfect creep and fatigue properties and have been widely used as materials of turbine blades, interfaces…

Materials Science · Physics 2012-07-25 Binghui Ge , Jing Zhu

We have studied the temperature dependence of the in-plane resistivity of NbN/AlN multilayer samples with varying insulating layer thickness in magnetic fields up to 7 Tesla parallel and perpendicular to the films. The upper critical field…

Superconductivity · Physics 2009-10-31 E. S. Sadki , Z. H. Barber , S. J. Lloyd , M. G. Blamire , A. M. Campbell

The early stage of the reactive interdiffusion in the Cu-Al system was investigated at 350 {\textdegree}C and 300 {\textdegree}C thanks to in-situ transmission electron microscopy. A special care was given to find conditions where the…

Materials Science · Physics 2020-05-08 F. Moisy , X. Sauvage , E. Hug

We present a model to take into account the interface defects contribution on the binding energy of charged exciton in GaAs/Al$_{0.3}$Ga$_{0.7}$As quantum wells. The dependence of the binding energy gain and of the trion size on the quantum…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Luis C. O. Dacal , R. Ferreira , G. Bastard , Jose A. Brum

We propose an approach for computing the Gibbs free energy difference between phases of a material. The method is based on the determination of the average force acting on interfaces that separate the two phases of interest. This force,…

Statistical Mechanics · Physics 2015-10-26 Ulf R. Pedersen , Felix Hummel , Georg Kresse , Gerhard Kahl , Christoph Dellago

There are various methods for modeling phase transformations in materials science, including general classes of phase-field methods and reactive diffusion methodologies, which most importantly differ in their treatment of interface energy.…

The superconducting energy gap of $\rm Ba_{1-x}K_xBiO_3$ has been measured by tunneling. Despite the fact that the sample was macroscopically single phase with very sharp superconducting transition $T_c$ at 32~$K$, some of the measured…

Superconductivity · Physics 2017-04-04 F. Szabo , P. Samuely , N. L. Bobrov , J. Marcus , C. Escribe-Filippini , M. Affronte

We study the N/Z and N/A dependence of balance energy (E$_{bal}$) for isotopic series of Ca having N/Z (N/A) varying from 1.0 to 2.0 (0.5 to 0.67). We show that the N/Z (N/A) dependence of E$_{bal}$ is sensitive to symmetry energy and its…

Nuclear Theory · Physics 2011-08-11 Aman D. Sood

Compacted pellets of nanocrystalline nickel (NC-Ni) of average particle size ranging from 18 to 33 nm were prepared using a variety of surfactants. They were characterized well and were studied on the influence of the surfactants on the…

Mesoscale and Nanoscale Physics · Physics 2014-07-15 Netram Kaurav , Gunadhor S. Okram , V. Ganesan

Heat transfer enhancement of N-Ga-Al semiconductor heterostructure interfaces is critical for the heat dissipation in GaN-based electronic devices, while the effect of the AlxGa(1-x)N transition layer component concentration and thickness…

Materials Science · Physics 2024-10-14 Wenzhu Luo , Ershuai Yin , Lei Wang , Wenlei Lian , Neng Wang , Qiang Li

High velocity impact between crystalline surfaces is important for a range of material phenomena, yet a fundamental understanding of the effect of surface structure, energetics and kinetics on the underlying thermo-mechanical response…

Materials Science · Physics 2015-10-14 Zhenqi Yang , Sinan Muftu , Moneesh Upmanyu

Interfaces play a substantial role for the functional properties of structured magnetic materials and magnetic multilayers. Modeling the functional behavior of magnetic materials requires the treatment of the relevant phenomena at the…

We consider a mass-asymmetric polarized Fermi system in the presence of Hartree-Fock (HF) potentials. We concentrate on the BCS regime with various interaction strengths and numerically obtain the allowed values of the chemical and HF…

Quantum Gases · Physics 2015-06-05 N. Ebrahimian , M. Mehrafarin , R. Afzali

We have developed a new and user-friendly interface energy calculation method that avoids problems deriving from numerical differences between bulk and slab calculations, such as the number of k points along the direction perpendicular to…

Materials Science · Physics 2018-02-13 Linda A. Zotti , Stefano Sanvito , David D. O'Regan

In the mean field approximation, we evaluate the temperature dependence of the anchoring energy strength of a nematic liquid crystal in contact with a solid substrate due to thermal fluctuations. Our study is limited to the weak anchoring…

Soft Condensed Matter · Physics 2009-10-31 G. Barbero , A. K. Zvezdin

The interfacial band configuration of the high-k dielectric Al$_2$O$_3$ deposited at 120{\deg}C by atomic layer deposition (ALD) on boron- and phosphorus-doped hydrogen-terminated (111) diamond was investigated. Performing X-ray…

Materials Science · Physics 2017-03-07 Aurélien Maréchal , Yukako Kato , Meiyong Liao , Satoshi Koizumi