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66 Current news about the topic iron oxide

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Metal powder: zero-carbon fuel for the future?

How iron can be used to store and transport energy

10-Oct-2022

Gaining sustainable energy from wind, solar and water is commonly known and applied. However, renewable sources depend on environmental conditions: in peak times of wind and sun, excess energy is produced that is needed in times of less wind and sunshine. But how to store and transport this ...

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Safe and Efficient Transport of Hydrogen

Energy in Iron and its Oxides

10-Aug-2022

Transporting green-generated energy in form of iron: That is the vision of a project funded by the German Federal Ministry of Education and Research and coordinated by UDE. Hydrogen produced by solar energy, a chemical reaction and transport in metal form lead to a sustainable cycle to produce ...

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Nano-Rust: Smart Additive for Autonomous Temperature Control

A new, versatile method for temperature monitoring in materials

11-Jul-2022

The right temperature matters – whether in technical processes, for the quality of food and medicines, or the lifetime of electronic components and batteries. For this purpose, temperature indicators record (un)desired temperature increases that can be read out later. Researchers in the group led ...

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Using magnetic microparticles to mark objects unambiguously and tackle counterfeiting

‘Smart rust is cheap to make and ecologically sound’

10-Jun-2021

We can only guarantee that objects are manufactured in an environmentally friendly, socially sustainable way and recycled correctly if all raw materials and intermediate products are marked unambiguously using a tamper-proof method. The current optical (barcode) and electromagnetic (RFID chip) ...

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Dance of the molecules: New methods of producing tailor-made materials

Scientists observe vibrational dynamics of organic acid molecules on iron oxide surface

03-May-2021

A Hamburg research team is paving the way for new methods of producing tailor-made materials: for the first time, the scientists from DESY NanoLab and the Hamburg University of Technology (TUHH) have deciphered the collective arrangement of organic acid molecules on an iron oxide surface at the ...

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As hard as a diamond and as deformable as metal

Scientists develop new material for tomorrow's technology

15-Jan-2021

Smartphones with large glass housings and displays are impressive, but they are also very prone to get cracked and scratched. To prevent these kinds of damages, a material combining the hardness of diamond and the deformability of metals would be ideal – and is indeed considered the holy grail of ...

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Chemist developed a green catalyst for pharmaceutical and industrial chemistry

Catalyst based on a substance that comes from plant waste

08-Sep-2020

Many production facilities (e.g. plastic manufacturers, pharma companies, and others) use nanocatalysts that contain palladium--an expensive component that is not sustainably produced. A chemist from RUDN University found a way to reduce palladium consumption and to make its manufacture more ...

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Magnetic nanoparticles with ionic liquids for water purification

Providing Safe, Clean Water

03-Dec-2019

In many parts of the world, access to clean drinking water is far from certain. Filtration of large volumes of water, however, is slow and impractical. In the journal Angewandte Chemie, scientists have introduced a new water purification method based on magnetic nanoparticles coated with a ...

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Eco-friendly method for the synthesis of iron oxide nanoparticles

Producing nanomaterials from plant extracts

17-Sep-2019

A team of scientists from Ural Federal University (Yekaterinburg), Bangladesh University of Engineering and Technology and other collaborator have published an article about a new method for the synthesis of magnetic nanoparticles. Today nanoparticles are used in various fields, from biomedicine ...

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Fish-inspired material changes color using nanocolumns

22-Mar-2019

Inspired by the flashing colors of the neon tetra fish, researchers have developed a technique for changing the color of a material by manipulating the orientation of nanostructured columns in the material. "Neon tetras can control their brightly colored stripes by changing the angle of tiny ...

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