Biden lands another big Taiwan chip investment
The Taiwan chip giant TSMC has agreed to build a third semiconductor factory in Arizona, raising its total investment in the United States to $65 billion, US officials said Monday.
Apr 8, 2024
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The Taiwan chip giant TSMC has agreed to build a third semiconductor factory in Arizona, raising its total investment in the United States to $65 billion, US officials said Monday.
Apr 8, 2024
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The European Union and the U.S. plan to enlist artificial intelligence in the search for replacements to so-called forever chemicals that are prevalent in semiconductor manufacturing, according to a draft statement seen by ...
Apr 4, 2024
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New research suggests that materials commonly overlooked in computer chip design actually play an important role in information processing, a discovery that could lead to faster and more efficient electronics.
Apr 4, 2024
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Without a map, it can be just about impossible to know not just where you are, but where you're going, and that's especially true when it comes to materials properties.
Mar 29, 2024
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Semiconductors are the basic building blocks of microchips. These technological marvels are in everything from lightbulbs and toothbrushes to cars, trains and planes, not to mention the vast array of electronics that have ...
Mar 27, 2024
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Researchers have successfully transformed CO2 into methanol by shining sunlight on single atoms of copper deposited on a light-activated material, a discovery that paves the way for creating new green fuels.
Mar 25, 2024
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Cornell University researchers have developed a semiconductor chip that will enable ever-smaller devices to operate at the higher frequencies needed for future 6G communication technology.
Mar 6, 2024
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Johns Hopkins electrical and computer engineers are pioneering a new approach to creating neural network chips—neuromorphic accelerators that could power energy-efficient, real-time machine intelligence for next-generation ...
Mar 5, 2024
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Scientists at the University of Florida have pioneered a method for using semiconductor technology to manufacture processors that significantly enhance the efficiency of transmitting vast amounts of data across the globe. ...
Mar 4, 2024
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Solar-driven photocatalytic or photoelectrochemical water splitting holds great promise for direct solar-to-hydrogen energy conversion, especially in the context of the carbon-neutral initiative, while its practical applications ...
Feb 28, 2024
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A semiconductor is a material that has a resistivity value between that of a conductor and an insulator. The conductivity of a semiconductor material can be varied under an external electrical field. Devices made from semiconductor materials are the foundation of modern electronics, including radio, computers, telephones, and many other devices. Semiconductor devices include the transistor, solar cells, many kinds of diodes including the light-emitting diode, the silicon controlled rectifier, and digital and analog integrated circuits. Solar photovoltaic panels are large semiconductor devices that directly convert light energy into electrical energy. In a metallic conductor, current is carried by the flow of electrons. In semiconductors, current can be carried either by the flow of electrons or by the flow of positively-charged "holes" in the electron structure of the material.
Silicon is used to create most semiconductors commercially. Dozens of other materials are used, including germanium, gallium arsenide, and silicon carbide. A pure semiconductor is often called an “intrinsic” semiconductor. The conductivity, or ability to conduct, of semiconductor material can be drastically changed by adding other elements, called “impurities” to the melted intrinsic material and then allowing the melt to solidify into a new and different crystal. This process is called "doping".
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