Tunable quantum anomalous Hall effect in van der Waals heterostructures

Tunable quantum anomalous Hall effect in van der Waals heterostructures

(a) Crystal structure of Bi/MnBi2tellurium4 vdW heterostructure. (b) Schematic illustration of controllable magnetism and topological phase transitions in materials. Magnetization direction (MI: i = x, y, z; red arrow) can …

Read more

Cause and effect | Understanding the real threat of civilizational collapse

Cause and effect | Understanding the real threat of civilizational collapse

Many scientists have since referred to Attenborough’s speech, mostly to instill a sense of urgency. Many also used the speech to mock scientists, calling them doomsayers. But maybe, one thing …

Read more