Results 31 to 40 of about 8,036 (229)

Influence of natural polysaccharides on the morphology and properties of hybrid vaterite microcrystals

open access: yesHeliyon
Co-precipitation of biopolymers into calcium carbonate crystals changes their physicochemical and biological properties. This work studies hybrid microcrystals of vaterite obtained in the presence of natural polysaccharides, as carriers for the delivery ...
Nadezhda G. Balabushevich   +15 more
doaj   +1 more source

Thermodynamic metal crystallization basics

open access: yesЛитьë и металлургия, 2020
On the basis of thermodynamic calculations it is shown that crystallization of metals is a thermodynamic process, which takes place mainly at constant temperature.
E. I. Marukovich, V. Yu. Stetsenko
doaj   +1 more source

Nanostructural crystallization of silumins

open access: yesЛитьë и металлургия, 2022
The crystallization of silumins has been shown to be a nanostructured process. Liquid silumin consists of elementary nanocrystals of aluminum and silicon, free atoms of aluminum and silicon, aluminum-silicon complexes.
E. I. Marukovich   +2 more
doaj   +1 more source

Strong Lead‐Free Bioinspired Piezoceramics for Durable Energy Transducers

open access: yesAdvanced Functional Materials, EarlyView.
We fabricated brick‐and‐mortar lead‐free piezoceramics with Bi0.5Na0.5TiO3 monocrystal platelets as bricks and amorphous silica as mortar. The alignment of the bricks and the presence of the amorphous silica led to anisotropic residual stresses. These residual stresses increase the samples toughness, strength and durability while the brick alignment ...
Ruxue Yang   +12 more
wiley   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

One‐Dimensional Materials Supported in Two‐Dimensional Van der Waals Metal–Organic Frameworks with Optical Anisotropy Switching via Twist‐Engineering

open access: yesAdvanced Materials, EarlyView.
We introduce a molecular strategy to assemble one‐dimensional (1D) materials into two‐dimensional (2D) van der Waals metal–organic frameworks (MOFs). Crystals of [FeX(pzX)(bpy)] (X = Cl, F) form anisotropic 2D layers that can be mechanically exfoliated into thin sheets.
Eleni C. Mazarakioti   +12 more
wiley   +1 more source

Mitigating Stress‐Induced Nonphotoactive Phase Transition Through Sodium Sulfonate Engineering for Stable and Efficient Perovskite Solar Cells

open access: yesAngewandte Chemie, EarlyView.
To address the phase stability issue of α‐FAPbI3, we employed a cation doping strategy using 1‐decanesulfonate (C10H21NaO3S). This doping releases lattice strain and suppresses the formation of the δ‐phase, enabling breakthrough performance in perovskite solar cells with a power conversion efficiency of 26.67% and excellent thermal and photostability ...
Zhihuan Tang   +15 more
wiley   +2 more sources

On the crystallization of austenitic carbide eutectic of chromium cast iron

open access: yesЛитьë и металлургия
Crystallization of austenitic carbide eutectic of chromium cast iron is a nanostructural process in which iron, graphite and chromium nanocrystals play a major role.
E. I. Marukovich   +2 more
doaj   +1 more source

Remote sensing of microfluidic tracers by light scattering from microcrystals under magnetic fields

open access: yesAIP Advances, 2017
This paper presents a new magnetic method for microfluidic visualization using low-density, highly buoyant, strongly reflective and magnetically responsive microcrystals.
Y. Takanezawa, H. Kashiwagi, M. Iwasaka
doaj   +1 more source

Microcrystallization of Atactic Polystyrene Induced by Photooxidation Aging

open access: yesMacromolecular Materials and Engineering, 2023
Photooxidation aging, hygrothermal aging, and hot‐air aging are carried out on atactic polystyrene (aPS) samples formed by injection molding. It is interesting that microcrystals of atactic polystyrene are only found in photooxidation aging.
Zi‐rui Shen, Bin Lan, Qi Yang
doaj   +1 more source

Home - About - Disclaimer - Privacy