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Jack O'Brien

2

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SHORT BIO

Having obtained my B.A. in Physics here in Trinity College Dublin in 2018, I was lucky enough to secure a position as a PhD student in the Magnetism and Spin Electronics Group, under the supervision of Prof. Plamen Stamenov and Prof. Michael Coey. My thesis is on novel characterisation techniques of Zero-Moment Half-Metals. In addition to the development of the model which is the subject of my presentation at this conference, I have worked on Point Contact Andreev Reflection for the measurement of spin polarisation in the past, and assissted in the upgrading of our groups multi-chamber thin film deposition system, Trifolium Dubium. While still in my undergraduate studies, I undertook a research project in the Chemical Physics group of Prof. Jonathon Coleman, also in Trinity College Dublin. This was a study of the effect of surfactants on the stabilisation of suspensions of exfoliated 2D materials, especially Tungsten Disulfide (WS2). In the future, I hope to continue working down the paths I have begun to forge, as well as branching into other useful areas such as FMR spectroscopy, which will be useful for characterisation of materials of interest to me and my group.

Presentations

An Effective Hamiltonian Model for Combined Magnon-Phonon Excitations in Ferrimagnets of the Mn2RuGa Family

Plamen Stamenov and 2 other authors

Fully-Vector Simulation Framework for the Investigation of Magnetisation Dynamics and Skyrmions

Jack O'Brien

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