Abstract

Using first-principles calculations, this work studies thickness-dependent superconductivity in ultrathin noble-metal films (Au, Ag, Cu) and h-BN/Cu(111) heterostructures. The calculations link quantum confinement, phonon renormalization, and interface-induced Lifshitz transitions to the superconducting critical temperature, showing element-specific behavior in free-standing films and strong stacking-dependent enhancement in h-BN/Cu(111).

Abstract

Using first-principles calculations, this work studies thickness-dependent superconductivity in ultrathin noble-metal films (Au, Ag, Cu) and h-BN/Cu(111) heterostructures. The calculations link quantum confinement, phonon renormalization, and interface-induced Lifshitz transitions to the superconducting critical temperature, showing element-specific behavior in free-standing films and strong stacking-dependent enhancement in h-BN/Cu(111).

Abstract

Using first-principles calculations, this work studies thickness-dependent superconductivity in ultrathin noble-metal films (Au, Ag, Cu) and h-BN/Cu(111) heterostructures. The calculations link quantum confinement, phonon renormalization, and interface-induced Lifshitz transitions to the superconducting critical temperature, showing element-specific behavior in free-standing films and strong stacking-dependent enhancement in h-BN/Cu(111).

Abstract

Using first-principles calculations, this work studies thickness-dependent superconductivity in ultrathin noble-metal films (Au, Ag, Cu) and h-BN/Cu(111) heterostructures. The calculations link quantum confinement, phonon renormalization, and interface-induced Lifshitz transitions to the superconducting critical temperature, showing element-specific behavior in free-standing films and strong stacking-dependent enhancement in h-BN/Cu(111).