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News articles about "Thin films"

First materials woven at atomic and molecular levels: Weaving a new story for COFS and MOFs

There are many different ways to make nanomaterials but weaving the oldest and most enduring method of making fabrics has not been one of them until now An international collaboration led by scientists at the ... - Read More

Optics, nanotechnology combined to create low-cost sensor for gases

Engineers have combined innovative optical technology with nanocomposite thin films to create a new type of sensor that is inexpensive fast highly sensitive and able to detect and analyze a wide range of gases The ... - Read More

A new method for making perovskite solar cells

Research led by a Brown University Ph D student has revealed a new way to make light absorbing perovskite films for use in solar cells The new method involves a room temperature solvent bath to ... - Read More

Longer life cycle for lithium-ion batteries?

Lithium ion batteries are common in consumer electronics They are one of the most popular types of rechargeable batteries for portable electronics with a high energy density no memory effect and only a slow loss ... - Read More

Detecting chemical weapons quickly with a color-changing film

In today's world in which the threat of terrorism looms there is an urgent need for fast reliable tools to detect the release of deadly chemical warfare agents CWAs In the journal ACS Macro Letters ... - Read More

Solving an organic semiconductor mystery

Organic semiconductors are prized for light emitting diodes LEDs field effect transistors FETs and photovoltaic cells As they can be printed from solution they provide a highly scalable cost effective alternative to silicon based devices ... - Read More

Instant-start computers possible with new breakthrough

To encode data today's computer memory technology uses electric currents a major limiting factor for reliability and shrinkability and the source of significant power consumption If data could instead be encoded without current for example ... - Read More

Theory details how 'hot' monomers affect thin-film formation

Like a baseball player sliding into third a hot monomer skids in a straight line along a cold surface until it's safely among its fellow molecules This is not what usually happens when scientists assemble ... - Read More

Nanoscale resistors for quantum devices

The electrical characteristics of new thin film chromium oxide resistors that can be tuned by controlling the oxygen content detailed in the Journal of Applied Physics Researchers from the London Centre for Nanotechnology have made ... - Read More

Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes

Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes LEDs as the single most significant and disruptive energy efficient lighting solution of today scientists around the world continue unabated to search ... - Read More

Variable glass coatings to stop condensation on windows

Thin film coatings impart new properties to glass in applications as diverse as window glazing solar cells and touchscreens With the Megatron® sputtering system it is now possible for the first time to vary the ... - Read More

For electronics beyond silicon, a new contender emerges

Silicon has few serious competitors as the material of choice in the electronics industry Yet transistors the switchable valves that control the flow of electrons in a circuit cannot simply keep shrinking to meet the ... - Read More

Diamond plates create nanostructures through pressure, not chemistry

You wouldn't think that mechanical force the simple kind used to eject unruly patrons from bars shoe a horse or emboss the raised numerals on credit cards could process nanoparticles more subtly than the most ... - Read More

Cheap, environmentally-friendly method for making transparent conductive films for laptops, smartphones, solar cells

Transparent conductive films are now an integral part of our everyday lives Whether in smartphones tablets laptops flat screens or on a larger scale in solar cells Yet they are expensive and complex to manufacture ... - Read More

Vacuum ultraviolet lamp of the future created

A team of researchers in Japan has developed a solid state lamp that emits high energy ultraviolet UV light at the shortest wavelengths ever recorded for such a device from 140 to 220 nanometers This ... - Read More

Atomic switcheroo explains origins of thin-film solar cell mystery

Treating cadmium telluride CdTe solar cell materials with cadmium chloride improves their efficiency but researchers have not fully understood why Now an atomic scale examination of the thin film solar cells led by the Department ... - Read More

First thin films of spin ice reveal cold secrets

Thin films of spin ice have been shown to demonstrate surprising properties which could help in the development of applications of magnetricity the magnetic equivalent of electricity Published today in Nature Communications a team of ... - Read More

Engineering new properties on ultra-thin nanomaterials: Tool opens door for design of new phases of materials

Physicists have engineered novel magnetic and electronic phases in the ultra thin films of in a specific electronic magnetic material opening the door for researchers to design new classes of material for the next generation ... - Read More

Physicists provide answers for predicted behavior in relaxors: Thin films studied used in electronic devices

Thin films, Films
New research at the University of Arkansas shows that behavior can be predicted and understood in thin films made of materials called relaxors which can be used in electronic devices Physicists Sergey Prosandeev and Laurent ... - Read More

Welcome guests: Added molecules allow metal-organic frameworks to conduct electricity

molecules
Scientists from the National Institute of Standards and Technology NIST and Sandia National Laboratories have added something new to a family of engineered high tech materials called metal organic frameworks MOFs the ability to conduct ... - Read More
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