Category Technology/Electronics

New Strategy for Efficient OLED Active Matrix Displays

The device architecture of organic permeable base light-emitting transistors (OPB-LET).

Researchers introduce a novel device concept towards high-efficient and low-voltage vertical organic lighting-emitting transistors. With the new device architecture and fabrication technology, the team paves the way for a broad application of efficient OLED active matrix displays.

In the group of Prof. Karl Leo, physicists, material scientists and engineers are working jointly on the development of novel organic materials and devices for high performance, flexible and possibly even biocompatible electronics and optoelectronics of the future. Increasing the performance of organic devices is one of the key challenges in their research. It was only last year, when the team headed by Dr...

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Sub-diffraction Optical Writing enables Data Storage at the Nanoscale

Sub-diffraction optical writing enables data storage at the nanoscale
Credit: University of Shanghai for Science and Technology

The total amount of data generated worldwide is expected to reach 175 zettabytes (1 ZB equals 1 billion terabytes) by 2025. If 175 ZB were stored on Blu-ray disks, the stack would be 23 times the distance to the moon. There is an urgent need to develop storage technologies that can accommodate this enormous amount of data.

The demand to store ever-increasing volumes of information has resulted in the widespread implementation of data centers for Big Data. These centers consume massive amounts of energy (about 3% of global electricity supply) and rely on magnetization-based harddisk drives with limited storage capacity (up to 2 TB per disk) and lifespan (three to five years)...

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Pushing Computing to the edge by Rethinking Microchips’ Design

Princeton researchers have created a new chip that speeds artificial intelligence systems called neural nets while slashing power use. The chips could help bring advanced applications to remote devices such as cars and smartphones.
Photos by Hongyang Jia/Princeton University

Responding to artificial intelligence’s exploding demands on computer networks, Princeton University researchers in recent years have radically increased the speed and slashed the energy use of specialized AI systems. Now, the researchers have moved their innovation closer to 0003Verma, a professor of electrical and computer engineering at Princeton and a leader of the research team. “The hope is that designers can keep using the same software system — and just have it work ten times faster or more efficiently.”

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Spintronics: New production method makes Crystalline Microstructures universally usable

Coloured electron microscopy image (pink: YIG-bridge, green: glue, gray: sapphire)
Foto: AIP Applied Physics Letters

New storage and information technology requires new higher performance materials. One of these materials is yttrium iron garnet, which has special magnetic properties. Thanks to a new process, it can now be transferred to any material. Developed by physicists at Martin Luther University Halle-Wittenberg (MLU), the method could advance the production of smaller, faster and more energy-efficient components for data storage and information processing. The physicists have published their results in the journal Applied Physics Letters.

Magnetic materials play a major role in the development of new storage and information technologies...

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