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Related papers: Residual disorder and diffusion in thin Heusler al…

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We report observation of strong and anisotropic third harmonic generation (THG) in monolayer and multilayer ReS$_2$. The third-order nonlinear optical susceptibility of monolayer ReS$_2$, $\left| \chi^{(3)} \right|$ is on the order of…

Materials Science · Physics 2017-04-12 Qiannan Cui , Rodrigo A. Muniz , J. E. Sipe , Hui Zhao

We study the growth and properties of quaternary-alloy ferromagnetic semiconductor (FMS) (In0.94-x,Gax,Fe0.06)Sb (x = 5% - 30%, Fe concentration is fixed at 6%) grown by low temperature molecular beam epitaxy (LT-MBE).Reflection high-energy…

Materials Science · Physics 2024-06-12 Tomoki Hotta , Kengo Takase , Kosuke Takiguchi , Karumuri Sriharsha , Le Duc Anh , Masaaki Tanaka

Inspired by nature, we investigate the short-range order effect on the physical properties of amorphous materials. Amorphous Al2O3 thin films exhibit a higher proportion of their 4-coordinated Al sites close to the surface, causing…

Materials Science · Physics 2019-05-22 Yael Etinger-Geller , Ekaterina Zoubenko , Maria Baskin , Lior Kornblum , Boaz Pokroy

Epitaxial thin films of the highly spin polarized Heusler compound Co2Cr0.6Fe0.4Al are deposited by dc magnetron sputtering. It is shown by XRD and TEM investigations how the use of an Fe buffer layer on MgO(100) substrates supports the…

Materials Science · Physics 2015-06-25 A. Conca , M. Jourdan , C. Herbort , H. Adrian

We used resonant elastic x-ray scattering at the Cu $L_3$ and Dy $M_5$ edges to investigate charge order in thin films of underdoped DyBa$_2$Cu$_3$O$_{6+x}$ (DyBCO) epitaxially grown on NdGaO$_3$ (110) substrates. The films show an…

Polycrystalline samples of the half-metallic ferromagnet Heusler compound Co$_2$TiSn have been prepared and studied using bulk techniques (X-ray diffraction and magnetization) as well as local probes ($^{119}$Sn M\"ossbauer spectroscopy and…

The studies of a number of systems treated in terms of an inhomogeneous (spatially separated) Fermi-Bose mixture with superconducting clusters or droplets of the order parameter in a host medium with unpaired normal states are reviewed. A…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 M. Yu. Kagan , S. V. Aksenov , A. V. Turlapov , R. Sh. Ikhsanov , K. I. Kugel , E. A. Mazur , E. A. Kuznetsov , V. M. Silkin , E. A. Burovski

Computer simulations were done of the mean square displacement (MSD) of tracer particles in colloidal gels formed by diffusion or reaction limited aggregation of hard spheres. The diffusion coefficient was found to be determined by the…

Soft Condensed Matter · Physics 2009-03-25 Sujin Babu , Jean Christophe Gimel , Taco Nicolai

A time-resolved synchrotron X-ray total scattering study sheds light on the evolution of the different structural length scales involved during the intercalation of the layered iron-selenide host by organic molecular donors, aiming at the…

High quality vanadium sesquioxide V2O3 films (170-1100 {\AA}) were grown using the pulsed laser deposition technique on (0001)-oriented sapphire substrates, and the effects of film thickness on the lattice strain and electronic properties…

Strongly Correlated Electrons · Physics 2008-01-07 C. Grygiel , Ch. Simon , B. Mercey , W. Prellier , P. Limelette , R. Fresard

Controlling the microstructure of thin films is of critical importance for various applications. We demonstrate a methodology for tuning the local microstructure through film-substrate interactions using Ag-Cu as a model system. Metastable…

Materials Science · Physics 2026-04-29 Vivek C. Peddiraju , Shourya Dutta-Gupta , Subhradeep Chatterjee

A true understanding of the properties of pnictide superconductors require the development of high-quality materials and performing measurements designed to unravel their intrinsic properties and short-range nematic correlations which are…

Materials with a layered Kagome lattice are expected to give rise to novel physics arising from band structures with topological properties, spin liquid behavior and the formation of skyrmions. Until now, most work on Kagome materials has…

Typical BCS superconductors are microscopically homogeneous in real space governed by the coherent Cooper pairs with high phase stiffness of superfluid density, which is characterized by a coherence length. However, a periodic oscillation…

Superconductivity · Physics 2024-06-13 Yao Zhang , Lianzhi Yang , Chaofei Liu , Wenhao Zhang , Ying-Shuang Fu

We investigate the complex relationship between the growth conditions and the structural and transport properties of $\mathrm{Ti_xO_y}$ thin films grown by molecular beam epitaxy. Transport properties ranging from metallicity to…

The authors developed a preparation technique of Co_2FeSi full-Heusler alloy films with the L2_1-ordered structure on silicon-on-insulator (SOI) substrates, employing rapid thermal annealing (RTA). The Co_2FeSi full-Heusler alloy films were…

Materials Science · Physics 2010-05-26 Yota Takamura , Ryosho Nakane , Hiro Munekata , Satoshi Sugahara

Epitaxial Fe film has been grown on ion beam sputtered MgO(001) substrate by electron beam evaporation. Reflection high energy electron diffraction (RHEED) and transport measurements (TM) were performed simultaneously during the growth of…

Materials Science · Physics 2024-01-11 Md. Shahid Jamal , Dileep Kumar

We scrutinize the anomalies in diffusion observed in an extended long-range system of classical rotors, the HMF model. Under suitable preparation, the system falls into long-lived quasi-stationary states presenting super-diffusion of rotor…

Statistical Mechanics · Physics 2009-11-11 Luis G. Moyano , Celia Anteneodo

This paper shows the correlation between chemical order, lattice strains and magnetic properties of Heusler Co2FeAl films epitaxially grown on MgO(001). A detailed magnetic characterization has been performed using vector field…

Materials Science · Physics 2016-11-26 M. S. Gabor , T. Petrisor , C. Tiusan , M. Hehn , T. Petrisor

The microscopic model of atomic diffusion is considered to describe the short-range order relaxation kinetics within the f.c.c.-Ni-Fe Permalloys. The model takes into account both the discrete and anisotropic characters of atomic jumps…

Materials Science · Physics 2023-06-09 T. M. Radchenko , V. A. Tatarenko , S. M. Bokoch