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Dr Gary George Wells

Associate Professor

Department: Mathematics, Physics and Electrical Engineering

Ee Gary Wells255I joined Northumbria University as an Anniversary Research Fellow in 2013. I gained a PhD in Physics from Nottingham Trent University In 2009, where I won the Sharp, SID 2009, best student award, for my work on wrinkling liquid surfaces using dielectrophoresis forces.

Before joining Northumbria I served two years as a Devices and Materials Researcher in the displays laboratory at Hewlett Packard in Bristol.

 

 

Campus Address

Ellison Building



0191 243 7610

Qualifications

PhD Physics, BSc (Hons) Physics with Astrophysics

Research Themes and Scholarly Interests

Experimental Soft Matter including:  dielectrophoresis forces and their applications, electro-wetting, wetting behaviours and surface modification, spreading and super spreading on surfaces, superhydrophobic and superhydrophilic surfaces, Slippery Liquid Infuse Porous Surfaces, evaporation and motion of droplet confined in wedge geometries, and evaporation dynamics on topographical surfaces.

Professional Activity

Member of the Institute of Physics.

Member of EPSRC College of Reviewers

Member of the board for the IoP Printing and Graphical Sciences Group.

Sponsors and Collaborators

Internal Collaborations:

Prof. Glen McHale, Dr. Rodrigo Ledesma-Aguilar and Dr. Ben Xu.

External/International Collaborations:

Prof. Aurora Hernandez-Machado and Prof. Ignacio Pagonabarraga , Prof. Carl brown. Prof. Doris Vollmer, Dr Mike Newton, Dr Halim Kusumaatmaja, Prof. Khellil Sefiane, Dr. Mark Pradas, and Prof. David Wood.

Funding bodies include:

EPSRC

The Royal Society

Innovate UK

External industrial collaborations include:

QuantuMDx

Reece Innovation

Cellix

Jaguar Land Rover

Current/Recent Projects

“New Engineering Concepts from Phase Transitions: A Leidenfrost Engine”, EPSRC, (EP/P005896/1) (Co-I)

“Development of Scalable Smart Material Coatings for Large Scale Production of Microfluidic Medical Devices”, Innovate UK. (1024573) (PI)

"Self-Propelled Droplet Motion on Gradient Slippery Liquid Infused Porous Surfaces (G-SLIPS)"

EPSRC. (EP/P026613/1)(PI)

"Hygrotactic Motion of Evaporating Liquid Droplets on Ultra-Low Friction Surfaces", The Royal Society (RG150470)(Co-I)

Key Publications

Wells, G. G, Ruiz-Gutiérrez, É, Le Lerzin, Y. Nourry, A. Orme, B.V, Pradas, M, Ledesma-Aguilar, R, “Snap evaporation of droplets on smooth topographies.” Nature Communications. (2018)

Guan, J. H, Ruiz-Gutiérrez, É, Xu, B. B, Wood, D, McHale, G, Ledesma-Aguilar, R, & Wells, G. G, “Drop transport and positioning on lubricant-impregnated surfaces.” Soft Matter (2017).

Luo, J. T, Geraldi, N. R, Guan, J. H, McHale, G, Wells, G. G, & Fu, Y. Q, “Slippery Liquid-Infused Porous Surfaces and Droplet Transportation by Surface Acoustic Waves.” Physical Review Applied, 7(1) (2017).

Ruiz-Gutierrez, E, Guan, J. H, Xu, B. B, McHale, G, Wells, G. G, & Ledesma-Aguilar, R, “Energy invariance in capillary systems.” Physical Review Letters (2017).

Wells, G. G, Ledesma-Aguilar, R, McHale, G, & Sefiane, K, “A sublimation heat engine.” Nature Communications, 6 (2015).

Guan, J. H, Wells, G. G, Xu, B. B, McHale, G, Wood, D, Martin, J, & Stuart-Cole, S, “Evaporation of Sessile Droplets on Slippery Liquid-Infused Porous Surfaces (SLIPS).” Langmuir, 31(43) (2015).

"Electrowetting pixels with improved transmittance using dye doped liquid crystals" Wells, G. G., Matranga, M. A., Newton, C. J. P., Taphouse, T. S., Baig, S. A., & Kitson, S. C. (2013).. Applied Physics Letters, Vol 103(3),(2013)

"Biomimetic Reflectors Fabricated Using Self-Organising, Self-Aligning Liquid Crystal Polymers." Ariosto Matranga, Sarwat Baig, Jessica Boland, Christopher Newton, Timothy Taphouse, Gary Wells, Stephen Kitson Advanced Materials, Vol 11,(2012)

"Dielectrowetting driven spreading of droplets." G McHale, C V Brown, M I Newton, G G Wells, N Sampara Physical review letters. Vol 107(18), (2011).

"Diffraction grating with suppressed zero order fabricated using dielectrophoresis forces." Gary G Wells, Naresh Sampara, Emmanouil E Kriezis, John Fyson, Carl V Brown, Optics letters. Vol 36(22), pp4404-6.(2011)

"Amplitude scaling of a static wrinkle at an oil-air interface created by dielectrophoresis forces" C.V. Brown, W. Al-Shabib,G.G. Wells, G. McHale, and M.I. Newton. Applied Physics Letters.  Vol 97, 242904 (2010)

"Voltage-programmable liquid optical interface." C.V. Brown, G.G. Wells, M.I. Newton and G. McHale, Nature Photonics Vol 3(7), pp403-405 (2009) "Backpage Interview" feature.

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