Hydrogen gas sensing with magnetic nanomaterials

Chiu Ming Lueng

doi:10.4225/23/5a582d0413755

Hydrogen gas sensing with magnetic nanomaterials

Chiu Ming Lueng

Research output: Thesis › Doctoral Thesis

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Abstract

A new concept of magnetic hydrogen gas sensing (m-HGS) is explored in this thesis. A wide detection range (0.1 to 100
percent) of hydrogen gas (H2) is achieved based on the effect of a decrease in strength of the perpendicular magnetic
anisotropy at the interface of Palladium (Pd) and Cobalt (Co) layers upon Pd exposure to H2 .The physics underlying this
concept is discussed. The focus is on the ferromagnetic resonance response of Pd-Co materials in the presence of H2. Several
types of films (Bi-layer Pd/Co, trilayer Pd/Co/Pd and CoPd alloy) are designed and investigated as H2 sensing media.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Kostylev, Mikhail, Supervisor Metaxas, Peter, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	14 Dec 2017
DOIs	https://doi.org/10.4225/23/5a582d0413755
Publication status	Unpublished - 2017

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THESIS - DOCTOR OF PHILOSOPHY - LUENG Chiu Ming - 2017
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Cite this

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title = "Hydrogen gas sensing with magnetic nanomaterials",

abstract = "A new concept of magnetic hydrogen gas sensing (m-HGS) is explored in this thesis. A wide detection range (0.1 to 100percent) of hydrogen gas (H2) is achieved based on the effect of a decrease in strength of the perpendicular magneticanisotropy at the interface of Palladium (Pd) and Cobalt (Co) layers upon Pd exposure to H2 .The physics underlying thisconcept is discussed. The focus is on the ferromagnetic resonance response of Pd-Co materials in the presence of H2. Severaltypes of films (Bi-layer Pd/Co, trilayer Pd/Co/Pd and CoPd alloy) are designed and investigated as H2 sensing media.",

keywords = "Hydrogen gas sensing, Ferromagnetic resonance, Ferromagnetic films, Palladium",

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AB - A new concept of magnetic hydrogen gas sensing (m-HGS) is explored in this thesis. A wide detection range (0.1 to 100percent) of hydrogen gas (H2) is achieved based on the effect of a decrease in strength of the perpendicular magneticanisotropy at the interface of Palladium (Pd) and Cobalt (Co) layers upon Pd exposure to H2 .The physics underlying thisconcept is discussed. The focus is on the ferromagnetic resonance response of Pd-Co materials in the presence of H2. Severaltypes of films (Bi-layer Pd/Co, trilayer Pd/Co/Pd and CoPd alloy) are designed and investigated as H2 sensing media.

KW - Hydrogen gas sensing

KW - Ferromagnetic resonance

KW - Ferromagnetic films

KW - Palladium

U2 - 10.4225/23/5a582d0413755

DO - 10.4225/23/5a582d0413755

M3 - Doctoral Thesis

ER -

Hydrogen gas sensing with magnetic nanomaterials

Abstract

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