New Transparent Metal Could Make Smartphones Cheaper

As smartphones get smaller, cheaper and faster, one essential component remains costly: the screen.

Almost 90 percent of smartphone touchscreens utilize a rare and expensive compound called indium tin oxide, which has kept the price of such screens high. Now, researchers at Pennsylvania State University have developed a new material, called strontium vanadate, that shares the transparent and conductive properties of indium tin oxide at a fraction of the cost.

The researchers detailed t

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