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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.

  3. Silicon - Wikipedia

    en.wikipedia.org/wiki/Silicon

    Silicon is a chemical element; ... Monocrystalline silicon is expensive to produce, and is usually justified only in production of integrated circuits, where tiny ...

  4. List of semiconductor materials - Wikipedia

    en.wikipedia.org/wiki/List_of_semiconductor...

    Conversely, silicon is robust, cheap, and easy to process, whereas GaAs is brittle and expensive, and insulation layers cannot be created by just growing an oxide layer; GaAs is therefore used only where silicon is not sufficient. [2] By alloying multiple compounds, some semiconductor materials are tunable, e.g., in band gap or lattice constant ...

  5. Monocrystalline silicon - Wikipedia

    en.wikipedia.org/wiki/Monocrystalline_silicon

    The primary application of monocrystalline silicon is in the production of discrete components and integrated circuits.Ingots made by the Czochralski method are sliced into wafers about 0.75 mm thick and polished to obtain a regular, flat substrate, onto which microelectronic devices are built through various microfabrication processes, such as doping or ion implantation, etching, deposition ...

  6. Silicon Valley praising Chinese AI startup DeepSeek ... - AOL

    www.aol.com/silicon-valley-praising-chinese-ai...

    A Chinese AI company that rivals ChatGPT, is gaining attention in Silicon Valley with its rapid rise, nearly outperforming leading American AI companies like OpenAI and Meta. DeepSeek is a Chinese ...

  7. 2nd Most Expensive Home Sale in U.S.? Silicon Valley ... - AOL

    www.aol.com/news/2013-01-25-2nd-most-expensive...

    Our eyes nearly popped out of our heads when we saw the reported sale price of this Woodside, Calif., mega-mansion: $117.5 million! If it's true, it would be the second most expensive home sale ...

  8. Silicon on insulator - Wikipedia

    en.wikipedia.org/wiki/Silicon_on_insulator

    The primary barrier to SOI implementation is the drastic increase in substrate cost, which contributes an estimated 10–15% increase to total manufacturing costs. [6] [additional citation(s) needed] FD-SOI (Fully Depleted Silicon On Insulator) has been seen as a potential low cost alternative to FinFETs. [7]

  9. San Francisco is so expensive that more people are leaving ...

    www.aol.com/article/finance/2018/03/23/san...

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