Engineering & Technology Materials Science and Engineering

News

30 Jul 2020
The electron is an elementary particle, a building block on which other systems evolve. With specific properties such as spin, or angular momentum, that can be manipulated to carry information, electrons are primed to advance modern information technology. An international collaboration of researchers has now developed a way to extend and stabilize the lifetime of the electron's spin to more effectively carry information.
City University of Hong Kong, CityU, CityUResearch
29 Jul 2020
Intermetallic alloys potentially have high strength in a high-temperature environment. But they generally suffer poor ductility at ambient and low temperatures, hence limiting their applications in aerospace and other engineering fields. Yet, a research team led by scientists of City University of Hong Kong (CityU) has recently discovered the disordered nanoscale layers at grain boundaries in the ordered intermetallic alloys. The nanolayers can not only resolve the irreconcilable conflict between strength and ductility effectively, but also maintain the alloy’s strength with excellent thermal stability at high temperatures. Designing similar nanolayers may open a pathway for the design of new structural materials with optimal alloy properties.
The top side view is the view from the bottom side of the component
24 Jun 2020
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has unveiled a novel material that could enable major leaps in the miniaturization of electronic devices.
10 Jun 2020
Metal-organic frameworks (MOFs) are sponge-like organic-inorganic hybrid materials and have a variety of uses due to their ultra-high “porosity,” or the ratio of pores or air pockets to the solid material. Through a technique called “post-synthetic modification,” Professor Jinhee Park and her research team were able to enhance and modify the function of these materials for specific purposes.
City University of Hong Kong, CityU, CityUResearch
02 Jun 2020
Considering hydrogen as a clean energy for future, scientists have been striving to develop novel processes to produce hydrogen efficiently and cost-effectively. A team comprised of scientists who specialized in structure materials at City University of Hong Kong (CityU) has developed a high-performance electrocatalyst based on an innovative concept originally for developing alloys. The new electrocatalyst can be produced at large scale and low cost, providing a new paradigm in a wide application of hydrogen production by electrochemical reaction in future.
27 May 2020
Scientists are unraveling the properties of electricity-conducting plastics so they can be used in future energy-harvesting devices.
06 May 2020
A biodegradable sanitary pad made from sago starch could add to efforts aimed at protecting the environment from plastic waste.
06 Apr 2020
Two Kavli IPMU string theorists and a condensed-matter theorist have found a quantum mechanical anomaly in the duality between the electric field and the magnetic field, which could play a role in removing an inconsistency in string theory.
01 Apr 2020
A research team led by Professor Kin-ming KWAN from the School of Life Sciences at The Chinese University of Hong Kong (CUHK) has recently discovered a novel mechanism by which extrinsic signaling factors modulate the fate transition of neural progenitors to allow the generation of specific neuronal subtypes. This work provides important insight into stem cell biology and the regeneration of neuronal cells, and contributes to the development of neurological therapy for diseases like autism spectrum disorders and hereditary cerebellar ataxia. The research is published in the renowned international scientific journal Cell Reports.
10 Mar 2020
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has introduced a novel technology, which allows carbon nanotubes (CNTs) to be easily observed under room temperature.
05 Mar 2020
An international team of researchers, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has for the first time succeeded in demonstrating the ionization cooling of muons.
28 Feb 2020
Converting crystalline metal-organic frameworks into glass or liquid could give them unique properties and lead to the design of new materials.
28 Feb 2020
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has introduced a flexible and transparent solar cell, using silicon microwire composites.
26 Feb 2020
Metal-organic frameworks (MOFs) are promising materials for inexpensive and less energy-intensive gas separation even in the presence of impurities such as water.
26 Feb 2020
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has succeeded for the first time in making the crystalline silicon solar cell transparent with dark and muddy colors.
25 Feb 2020
From biomemory to implants, researchers are looking for ways to make more eco-friendly electronic components.
22 Feb 2020
2 Gold, 3 Silver, 5 Bronze, and 2 Participation Awards have been bestowed upon South Korea's Ulsan National Institute of Science and Technology (UNIST) at this year's Samsung Humantech Paper Awards.
20 Feb 2020
A recent study, affiliated with South Korea's Ulsan National Institute of Science and Technology (UNIST) has presented a dynamic transport control mechanism for colloidal particles by developing a micro-/nanofluidic DP platform (MNDP).
18 Feb 2020
Controlling the organization of molecules within polymer membranes could lead to more efficient fuel cells.
Quantum dots made of cadmium sulfide emit ultraviolet and blue wavelengths of light. Toxicity remains a concern for biological applications.
22 Jan 2020
Tiny nanoparticles can illuminate tissues and cells, but safer, more effective materials are needed before their mainstream application.
The europium Eu(III) complex with nanocarbon antenna emitting fine red light.
21 Jan 2020
A stacked nanocarbon antenna makes a rare earth element shine 5 times more brightly than previous designs, with applications in molecular light-emitting devices.
17 Jan 2020
Playing with the elements of magnetic alloys can lead to effective industrial catalysts.
16 Jan 2020
Half a century of metal testing aims to make Japan’s industries safe.
15 Jan 2020
Opening plenary lecture by Sir Konstantin Novoselov, Nobel Prize in Physics (2010), at the Global Young Scientists Summit 2020.
A smart wearable real-time diagnosis sensor applying complex nature-mimicking structure
07 Jan 2020
Dramatically improved sensor stability with complex structural design that mimics snake motions, spider webs, and paper craft. Expected to be applied in various fields such as bio-diagnosis, smart skin, clothes, and livestock diagnosis.
City University of Hong Kong, CityU, CityUResearch
17 Dec 2019
A recent research led by City University of Hong Kong (CityU) has discovered that the ultrathin gold nanoribbons with unique hexagonal (4H type) crystal phase shows “liquid-like” behaviour under heating, but its hexagonal crystalline structure remains stable. This provides insight into the thermal stability of this new type of metallic nanomaterials and facilitates the development of practical applications in the future.
13 Dec 2019
Researchers in Korea have found an effective and inexpensive strategy to transform solar cells from opaque to transparent.
04 Dec 2019
A new material that stiffens 1,800-fold when exposed to heat could protect motorcyclists and racecar drivers during accidents.
25 Nov 2019
Abdus Suttar Khan (c. 1941 – 31 January 2008) was a Bangladeshi engineer who spent a significant part of his career conducting aerospace research with NASA, United Technology and Alstom.
12 Nov 2019
New bio-inspired hydrogels can act like superglue in highly ionic environments such as seawater, overcoming issues in currently available marine adhesives.

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