WEST LAFAYETTE, Ind. -- A hacker can reproduce a circuit on a chip by discovering what key transistors are doing in a circuit - but not if the transistor "type" is undetectable. Purdue University ...

WEST LAFAYETTE, Ind. — A hacker can reproduce a circuit on a chip by discovering what key transistors are doing in a circuit – but not if the transistor “type” is undetectable. Purdue University ...

In the left two figures, the isolated band can be formed through increasing the orbital energy difference or decreasing the orbital overlap between M and X elements. In the right, according to this ...