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Real time electron microscopy observation on morphological changes in gold nano structures deposited on Si (100) surfaces as a function of annealing temperatures has been reported. Two types of interfaces with the substrate silicon were…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Ashutosh Rath , J. K. Dash , R. R. Juluri , A Rosenauer , P V Satyam

Applying focused ion beam (FIB) nanotomography and Rutherford backscattering spectroscopy (RBS) to dealloyed platinum-aluminum thin films an in-depth analysis of the dominating physical mechanisms of porosity formation during the dealloying…

The decomposition process mechanisms have been investigated in a Fe50Au25Pd25 (at.%) alloy processed by severe plastic deformation. Phases were characterized by X-ray diffraction and microstructures were observed using transmission electron…

Materials Science · Physics 2009-01-12 Xavier Sauvage , Abdelahad Chbihi , Dmitry Gunderov , E. V. Belozerov , A. G. Popov

The ability to control porosity in oxide thin films is one of the key factors that determine their properties. Despite the abundance of dry processes for the synthesis of oxide porous layers, the high porosity range is typically achieved by…

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 NdBa2Cu3O7-x films with a hybrid nanoscale defect structure comprised of BaZrO3 nanodot arrays aligned along the c-axis in one half of the film thickness and aligned perpendicular to the c-axis in the other half thickness of the…

Superconductivity · Physics 2009-11-13 Sung Hun Wee , Amit Goyal , Yuri L. Zuev , Claudia Cantoni

The thermal decomposition behavior, the microstructural evolution and its influence on the mechanical properties of a supersaturated Cu Co solid solution with ~100 nm average grain size prepared by severe plastic deformation is investigated…

Materials Science · Physics 2016-11-07 Andrea Bachmaier , Marina Pfaff , Moritz Stolpe , Hisham Aboulfadl , Christian Motz

The study uses AACVD technology with nitrogen carrier gas to make AZO thin films through which it determines structural, optical, and morphological changes from 0 to 20 percent aluminum doping. The depositions took place at 400 degrees…

Metal powders with hierarchical nanostructures are always designed and fabricated by dealloying with or without combination of other manufacturing processes. However, they are mainly nanoporous metal powder and its derivations, and their…

Applied Physics · Physics 2019-09-17 Li Chenguang , Zhang Mingwei , Ruan Mianmian , Wang Jun , Liang Jiamiao , Zhang Deliang

In this paper we demonstrated the thermal Atomic Layer Deposition (ALD) growth at 250 {\deg}C of highly homogeneous and ultra-thin ($\approx$ 3.6 nm) $Al_2O_3$ films with excellent insulating properties directly onto a monolayer (1L)…

Co-reduction of multicomponent oxides with hydrogen provides a carbon-neutral approach toward sustainable alloy design. Herein, we investigate the hydrogen-based direct reduction, using in-situ high-energy X-ray diffraction of two precursor…

Materials Science · Physics 2025-10-09 Shiv Shankar , Barak Ratzker , Claudio Pistidda , Dierk Raabe , Yan Ma

Thin films of magnesium doped zinc oxide (MZO) were synthesized using the sol gel method and annealed at different temperatures under ambient condition. The morphological properties of the post annealed MZO films were investigated using X…

Materials Science · Physics 2019-09-09 Joydip Sengupta , Arifeen Ahmed , Rini Labar

Progress in the emerging fields of atomic and close-to-atomic scale manufacturing is underpinned by enhanced precision and optimization of laser-controlled nanostructuring. Understanding thin films' crystallographic orientations and…

Materials Science · Physics 2024-12-24 Hariprasath Ganesan , Stefan Sandfeld

Ruthenium metal and its oxide stand out for their exceptional catalytic activity, stability in Oxygen Evolution Reactions (OER) and electrical conductivity, making them indispensable in electronics and electrocatalysis. In this study,…

Materials Science · Physics 2024-10-31 S. S. Nalawade , R. S. Kim , J. Mahl , S. Cherono , I. Chris-Okoro , V. Craciun , J. Yan , E. Crumlin , D. Kumar , S. Aravamudhan

Aluminum-Copper (Al-Cu) alloys are essential materials for weight reduction critical structures in the aerospace and automotive industries, yet achieving their maximum ultrahigh-strength potential remains limited by nanoscale defect control…

Materials Science · Physics 2026-01-05 Amirhossein Abedini , Behzad Mehrafrooz , Iyad Alabd Alhafez , Arash Kardani

Additively manufactured high strength aluminium alloy AA7075 was prepared using selective laser melting. High strength aluminium alloys prepared by selective laser melting have not been widely studied to date. The evolution of…

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

The structure and microstrucutre of fully-strained BiCrO3 thin films have been investigated by X-rays diffraction and transmission electron microscopy, at room temperature. Interestingly, three structural variants are simultaneously…

Materials Science · Physics 2010-06-04 Adrian David , Philippe Boullay , Vengadesh Mangalam , Nicolas Barrier , Wilfrid Prellier

Although the principal physical behaviour of a material is inherently connected to its fundamental crystal structure, the behaviours observed in the real-world are often driven by the microstructure, which for many polycrystalline…

Initial powder mixtures of Cu, Fe and Co are exposed to severe plastic deformation by high-pressure torsion to prepare solid solutions. A broad range of compositions is investigated, whereas this study aims at the synthesis of soft magnetic…