Out-of-plane heat transfer in van der Waals stacks through electron–hyperbolic phonon coupling

Van der Waals heterostructures have emerged as promising building blocks that offer access to new physics, novel device functionalities and superior electrical and optoelectronic properties 1–7 . Applications such as thermal management, photodetection, light emission, data communication, high-speed electronics and light harvesting 8–16 require a thorough understanding of...