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Single-phased La0.6Sr0.4Co1-yFeyO3-d (y = 0.2, 0.5, 0.8) nanorods exhibiting the rhombohedral perovskite-type phase were synthesized by a pore-wetting technique. We studied their chemical composition, crystal and electronic structures,…

The forces between charged macromolecules, usually given in terms of osmotic pressure, are highly affected by the intervening ionic solution. While in most theoretical studies the solution is treated as a homogeneous structureless…

Soft Condensed Matter · Physics 2014-04-22 Dan Ben-Yaakov , David Andelman , Daniel Harries , Rudi Podgornik

We have made chromium-doped, silica-based preforms and optical fibres by Modified Chemical Vapour Deposition and have studied the influence of the chemical composition of the doped region on the Cr-oxidation states and the spectroscopic…

We have grown single crystals of Na$_x$Ca$_y$CoO$_2$ and determined their superstructures as a function of composition using neutron and x-ray diffraction. Inclusion of Ca$^{2+}$ stabilises a single superstructure across a wide range of…

Strongly Correlated Electrons · Physics 2015-05-12 D. G. Porter , M. Roger , M. J. Gutmann , S. Uthayakumar , D. Prabhakaran , A. T. Boothroyd , M. S. Pandiyan , J. P. Goff

Quantitative phase analysis is one of the major applications of X-ray powder diffraction. The essential principle of quantitative phase analysis is that the diffraction intensity of a component phase in a mixture is proportional to its…

Materials Science · Physics 2022-02-22 Hui Lia , Meng Hebcd , Ze Zhange

A study of the reinforcement effect of a soft polymer matrix by hard nanometric filler particles is presented. In the main part of this article, the structure of the silica filler in the matrix is studied by Small Angle Neutron Scattering…

Soft Condensed Matter · Physics 2007-05-23 Julian Oberdisse , Abdeslam El Harrak , Geraldine Carrot , Jacques Jestin , Francois Boue

Interfacial interactions significantly alter the fundamental properties of water confined in mesoporous structures, with crucial implications for geological, physicochemical, and biological processes. Herein, we focused on the effect of…

Various physical properties such as dipole moment, heat of formation and energy of the most stable formation of nucleotides and bases were calculated by PM3 (modified neglect of diatomic overlap, parametric method number 3) and AM1 (Austin…

Quantitative Methods · Quantitative Biology 2007-11-27 A. Yu. Berezhnoy , Steven Duplij

Few-layered potassium nickel and cobalt oxides show drastic differences in catalytic activity based on metal ion preorganization. Uniform compositions $[(\mathrm{CoO}_2/\mathrm{K})_6$ or $(\mathrm{NiO}_2/\mathrm{K})_6]$ show limited…

Surfaces are able to control physical-chemical processes in multi-component solution systems and, as such, find application in a wide range of technological devices. Understanding the structure, dynamics and thermodynamics of non-ideal…

Soft Condensed Matter · Physics 2023-09-29 Aaron R. Finney , Matteo Salvalaglio

In this work, the effect of the ion fluence-dependent defect formation on the modification of surface electronic and optical properties of graphene has been investigated. The chemical vapor deposited (CVD) graphene was irradiated with swift…

Materials Science · Physics 2022-06-14 Tanmay Mahanta , Sanjeev Kumar , D. Kanjilal , Tanuja Mohanty

First single crystal fibers of cerium doped strontium yttrate are fabricated using the laser-heated pedestal growth technique. Through thermodynamic equilibrium calculations and by high-temperature mass spectrometry suitable growth…

Materials Science · Physics 2017-11-03 Jan Philippen , Christo Guguschev , Detlef Klimm

What makes a material a good ice nucleating agent? Despite the importance of heterogeneous ice nucleation to a variety of fields, from cloud science to microbiology, major gaps in our understanding of this ubiquitous process still prevent…

Chemical Physics · Physics 2016-11-29 Martin Fitzner , Gabriele C Sosso , Stephen J Cox , Angelos Michaelides

The addition of filler particles to polymer electrolytes is known to increment their ionic conductivity (IC). A detailed understanding of how the interactions between the constituent materials are responsible for the enhancement, remains to…

Materials Science · Physics 2021-03-19 Andres Villa , Juan Carlos Verduzco , Joseph A. Libera , Ernesto E. Marinero

We present an investigation of the influence of structural distortions in charge-carrier doped \lmco by substituting La$^{3+}$ with alkaline earth metals of strongly different ionic sizes, that is M = Ca$^{2+}$, Sr$^{2+}$, and Ba$^{2+}$,…

Strongly Correlated Electrons · Physics 2009-11-10 M. Kriener , C. Zobel , A. Reichl , J. Baier , M. Cwik , K. Berggold , H. Kierspel , O. Zabara , A. Freimuth , T. Lorenz

Ion migration in WO$_3$ is a critical process for various technological applications, such as in batteries, electrochromic devices and energy-efficient brain-inspired computing devices. In this study, we investigate the migration mechanisms…

Materials Science · Physics 2025-11-13 Matthäus Siebenhofer , Pjotrs Žguns , Bilge Yildiz

Interfacial nucleation is the dominant process of dislocation generation during the plastic deformation of nano-crystalline materials. Solute additions intended to stabilize nano-crystalline metals against grain growth, may segregate to the…

Materials Science · Physics 2017-10-26 Valery Borovikov , Mikhail I. Mendelev , Alexander H. King

The properties of a bound electron system immersed in a plasma environment are strongly modified by the surrounding plasma. The modification of a basic quantity, the ionization energy, is described by the electronic self-energy and by…

Plasma Physics · Physics 2017-07-12 Chengliang Lin , Gerd Röpke , Wolf-Dietrich Kraeft , Heidi Reinholz

Catalytic conversion of CO$_2$ into useful chemicals is an attractive alternative to expensive physical carbon sequestration methods. However, this approach is challenging because current chemical conversion methods employ high temperatures…

Chemical Physics · Physics 2015-07-30 Babatunde Alawode , Alexie Kolpak

Conjugated polymeric g-C$_3$N$_4$ has emerged as a leading semiconductor for solar-to-chemical energy conversion due to its unique electronic band structure, robust physicochemical stability, and environmental benignity. However, defect…

Materials Science · Physics 2025-07-28 Xiaochun Gao , Shaoqi Hou , Dawei Su
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