# Magnetization curves of geometrically frustrated exchange-biased FM/AFM bilayers

## TL;DR

This paper investigates how geometric frustration in ferromagnetic/antiferromagnetic bilayers on a triangular lattice affects magnetization behavior and exchange bias, revealing phenomena like hysteresis loop shifts and magnetization plateaus.

## Contribution

It introduces a theoretical analysis of geometrically frustrated FM/AFM bilayers using the planar Heisenberg model, highlighting new effects on magnetization curves and exchange bias.

## Key findings

- Observation of horizontal magnetization plateaus
- Splitting of hysteresis loops due to frustration
- Exchange bias occurs with magnetically hard antiferromagnets

## Abstract

We consider a ferromagnetic/antiferromagnetic bilayer on a triangular lattice in the framework of the planar Heisenberg model. The impact of the geometrical frustration in this system on the magnetization curves and the exchange bias phenomenon is studied. The magnetization curves and the phase diagram for such systems are obtained. We observe horizontal plateaus and a split of the hysteresis loop on the magnetization curves. It is shown that the shift of the hysteresis loop (exchange bias) occurs for the systems with a magnetically hard antiferromagnet.