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Dr. Ashley Peter Williams

Kurzbeschreibung
Postdoctoral researcher
Ashley Williams
E-Mail
ashley.williams@psi.ch
Telefon
+41 56 310 33 72
Orc-ID
0009-0001-8320-0694
Paul Scherrer Institut PSI
Forschungsstrasse 111
5232 Villigen PSI
Schweiz
Digitale Visitenkarte

I'm currently a postdoc within the laboratory for neutron scattering (LNS) and a Junior Scientist for small-angle neutron scattering within the ReMade@ARI project, enabling the translation of research ideas into neutron scattering experiments, assisting users with experimental design, data acquisition and data analysis. 

My research consists of understanding the behaviour of soft, colloidal materials. Many of my interests utilise molecular design to manipulate different behaviours, such as the self-assembly of surfactant molecules and the gelation and relaxation of nanoparticles. Understanding how chemical structures influence small but incredibly important interactions has many implications on the soft, squishy materials that we use every day. In particular, building viscoelasticity is critical for cosmetics and personal care, as well as utilisation of cellulose as a renewable and sustainable nanomaterial to modify flow and rheology.

Publications

How Do the Valency and Radii of Cations Affect the Rheological Properties of Aqueous Solutions of Zwitterionic and Anionic Surfactant Mixtures?

Ewelina Warmbier-Wytykowska, Ashley P. Williams, Jacek Rozanski, Peter Fischer, Viviane Lutz-Bueno, Stephan Handschin, Laura Baraldi, Jaroslaw Warmbier, Patrycja Wagner, and Sylwia Różańska


Langmuir 2025, 41, 5, 3561–3571

Revealing the Structural Intricacies of Biomembrane‐Interfaced Emulsions with Small‐and Ultra‐Small‐Angle Neutron Scattering

Mark Louis P. Vidallon, Ashley P. Williams, Mitchell J. Moon, Haikun Liu, Sylvain Trépout, Alexis I. Bishop, Boon Mian Teo, Rico F. Tabor, Karlheinz Peter, Liliana de Campo, and Xiaowei Wang


Small Methods 2024, 8, 10, 2400348

Salt-Induced Linker Dehydration Modulates Micellar Structure in Ether-Linked Sulfate Surfactants

Ashley P. Williams, Jonathan M. Faber, Carl Recsei, Liliana de Campo, Tamim A. Darwish, Kellie L. Tuck, Raymond R. Dagastine, and Rico F. Tabor


Journal of Physical Chemistry B 2024, 128, 27, 6648–6653

Small-angle scattering of complex fluids in flow

Ashley P. Williams, Joshua P. King, Anna Sokolova, and Rico F. Tabor


Advances in Colloid and Interface Science 2024, 328, 103161

Influence of tail group length, amide functionality and added salt ion identity on the behaviour of betaine surfactants

Calum S. G. Butler, Veena T. Kelleppan-Meaney, Ashley P. Williams, Luke W. Giles, Mark Louis P. Vidallon, Anna Sokolova, Liliana de Campo, Kellie L. Tuck, and Rico F. Tabor


Journal of Colloid and Interface Science 2024, 653, 338–350

Influence of Surfactant Structure on Polydisperse Formulations of Alkyl Ether Sulfates and Alkyl Amidopropyl Betaines

Ashley P. Williams, Anna V. Sokolova, Jonathan M. Faber, Calum S. G. Butler, Pierre Starck, Nick J. Ainger, Kellie L. Tuck, Raymond R. Dagastine, and Rico F. Tabor


Langmuir 2023, 40, 1, 211–220

Components of cocamidopropyl betaine: Surface activity and self-assembly of pure alkyl amidopropyl betaines

Veena T. Kelleppan, Calum S. G. Butler, Ashley P. Williams, Mark Louis P. Vidallon, Luke W. Giles, Joshua P. King, Anna V. Sokolova, Liliana de Campo, Graeme R. Pearson, Rico F. Tabor, and Kellie L. Tuck


Colloids and Surfaces: A. 2023, 656, 130435

Exploring shear alignment of concentrated wormlike micelles using rheology coupled with small-angle neutron scattering

Joshua P. King, Calum S. G. Butler, Stuart W. Prescott, Anna V. Sokolova, Liliana De Campo, Ashley P. Williams, and Rico F. Tabor


Physics of Fluids 2022, 34, 8, 083104

Shear-induced nanostructural changes in micelles formed by sugar-based surfactants with varied anomeric configuration

Johan Larsson, Ashley P. Williams, Marie Wahlgren, Lionel Porcar, Stefan Ulvenlund, Tommy Nylander, Rico F. Tabor, and Adrian Sanchez-Fernandez


Journal of Colloid and Inteface Science 2022, 606, 328-336

Heads or tails? The synthesis, self-assembly, properties and uses of betaine and betaine-like surfactants

Veena T. Kelleppan, Joshua P. King, Calum S. G. Butler, Ashley P. Williams, Kellie L. Tuck, and Rico F. Tabor


Advances in Colloid and Interface Science 2021, 297, 102528

In Situ Nanostructural Analysis of Concentrated Wormlike Micellar Fluids Comprising Sodium Laureth Sulfate and Cocamidopropyl Betaine Using Small-Angle Neutron Scattering

Ashley P. Williams, Joshua P. King, Anna V. Sokolova, and Rico F. Tabor


Langmuir 2020, 36, 47, 14296–14305

Curriculum Vitae

RoleOrganisationDuration
Post DocPaul Scherrer Institut, Laboratory for Neutron Scattering, Switzerland
Junior Scientist for SANS within ReMade@ARI project
2023 – Current
PhD Monash University, Soft Materials and Colloids Laboratory, Australia
Thesis: Surfactant Design for Wormlike Micelles
2020 – 2023
Honours Monash University, Soft Materials and Colloids Laboratory, Australia
Thesis: Developing a new SANS model for concentrated wormlike micellar systems
2019
Bachelor of ScienceMonash University, Australia
Chemistry, Applied Mathematics
2016 – 2018

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