'Tantalizing' clues about why a mysterious material switches from conductor to insulator

ScienceDaily
May 18, 2020, 9:00 am91 pts
Tantalum disulfide is a mysterious material. According to textbook theory, it should be a conducting metal, but in the real world it acts like an insulator. Using a scanning tunneling microscope, researchers have taken a high-resolution look at the structure of the material, revealing why it demonstrates this…

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