Effect of dielectric coating on the positron work function of a metal

TL;DR

This paper investigates how applying dielectric coatings to metal surfaces can alter the sign of the positron work function, impacting surface physics and positron emission properties.

Contribution

It demonstrates that dielectric coatings can reverse the sign of the positron work function, a novel finding in surface physics.

Findings

Dielectric coating changes the sign of the positron work function.

Surface modification affects positron emission properties.

Potential implications for surface physics and material design.

Abstract

We show that the dielectric coating of the metal surface leads to the change in the sign of the positron work function.