Scientists create black arsenic visible infrared photodetectors

In recent years, the exceptional structure and fascinating electrical and optical properties of two-dimensional (2D) layered crystals have attracted widespread attention. Examples of such crystals include graphene, black ...

Do smartphones belong in classrooms? Four scholars weigh in

Should smartphones be allowed in classrooms? A new report from UNESCO, the education arm of the United Nations, raises questions about the practice. Though smartphones can be used for educational purposes, the report says ...

Researchers give 2D electronics a performance boost

Two dimensional (2D) semiconductors have a unique property that allows their thickness to be reduced to one or few atoms—and this property could potentially minimize the short channel effects that remain an issue in advanced ...

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