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MIT Develops Groundbreaking Semiconductor Material

9/25/2022

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One of the most plentiful elements on Earth, silicon has been used as the basis for most contemporary technology, including solar cells and computer chips. The characteristics of silicon as a semiconductor, however, are not perfect.

One reason is that while silicon allows electrons to flow easily through its structure, it is far less tolerant of "holes," which are positively charged electrons' opposites, and harnessing both is crucial for particular types of devices. Silicon also does a poor job of transporting heat, which contributes to the frequent overheating problems and pricey cooling systems in computers.

Now, research conducted by a group of scientists at MIT, the University of Houston, and other institutions has been published in Science and it shows that a substance known as cubic boron arsenide overcomes both of the negatives of silicon. It has great thermal conductivity and gives both electrons and holes high mobility. According to the experts, it is the best semiconductor material that has ever been discovered and might be the best one.
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Until now, cubic boron arsenide has only been produced and examined in small, uneven lab batches. To examine specific small portions of the material, the researchers had to apply unique techniques that were initially created by former MIT postdoc Bai Song. If cubic boron arsenide can be produced in an efficient, practical form, much less take the place of silicon, more research will be required. However, the researchers think that soon, the material might find some applications where its special features would make a big impact.

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    Rick Richardson, CPA, CITP, CGMA

    Rick is the editor of the weekly newsletter, Technology This Week. You can subscribe to it by visiting the website.

    Rick is also the Managing Partner of Richardson Media & Technologies, LLC. Prior to forming his current company, he had a 28-year career in technology with Ernst & Young, the last twelve years of which he served as National Director of Technology.

    Mr. Richardson has been named to the "Technology 100"- the annual honors list of the 100 key achievers in technology in America. He has also been honored by the American Institute of CPAs with two Lifetime Achievement awards and a Special Career Recognition Award for his contributions to the profession in the field of technology.

    In 2012, Rick was inducted into the Accounting Hall of Fame by CPA Practice Advisor Magazine. He has also been named to the 100 most influential individuals in the accounting profession in America by Accounting Today magazine.

    In 2017, Rick was inducted as a Marquis Who’s Who Lifetime Achiever, a registry of professionals who have excelled in their fields for many years and achieved greatness in their industry.

    He is a sought after speaker around the world, providing his annual forecast of future technology trends to thousands of business executives, professionals, community leaders, educators and students.

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