A figure showing the crystal structure of strontium vanadate(orange) and calcium vanadate (blue). The red dots are oxygen atoms arranged in 8 octohedra surrounding a single strontium or calcium atom. Vanadium atoms can be seen inside each octahedron. Credit: Lei Zhang/Penn State
Indium tin oxide (ITO), the transparent conductor that is now used for more than 90% of the display market, has been the dominant material for the past 60 years. But in the last decade, the price of indium has increased dramatically. Displays and touchscreen modules have become a main cost driver in mobile devices, such as smartphones and tablets, making up close to 40% of the cost...
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