School of Physics and Astronomy

Search site

Prof J Cliff Jones

Soft Matter Group

Contact details

Room: 9.74
Tel: +44 (0)113 3437311
Email: J.C.Jones @ leeds.ac.uk

Keywords

Soft Matter
Liquid Crystal Materials and devices
Nano- and micro-particle suspensions
Surface interactions with soft-matter
Structured and photonic surfaces
Novel manufacturing
Adaptive Optics
Displays and Electronic Paper

Research interests

Nothing is more rewarding than having a novel idea, researching and discovering everything there is to know about it, and then applying that idea to something that is of use. I've been fortunate to do that a few times in my career, working with large corporations such as QinetiQ and Sharp, and also in a successful spinout company I founded, called ZBD Displays (now Displaydata). I've joined academia from industry to begin the process again, and explore some basic physics with the aim of creating new commercial innovations.

My main research interests are in the field of liquid crystals, the rich and diverse set of phases that can occur for anisotropic molecules or particles between the disordered fluid and fully ordered crystal solids. In particular, I am interested in the effects of confinement and polarity in liquid crystals. For example, the zenithal bistable device (ZBD) uses deep-nanoscale surface features to induce defects and flexo-electric polarisation in nematic liquid crystals to produce low voltage bistable liquid crystal displays and spatial light modulators. I am currently studying the effect of such photonic surfaces with other liquid crystal phases and colloidal systems, including Janus particles and other nano-particle suspensions, as part of an EPSRC Advanced Fellowship of Manufacturing.

My experience of taking invention from idea through to a successful product is currently being used in our group's work on switchable contact lenses. This project requires novel manufacturing methods, modulator design and integrated electronics to allow the lenses to switch whilst powered either wirelessly or with a tiny on-board charge source.

Areas abundant in new physics include novel phase structures in self-assembling materials, nano-replication methods and the interaction of soft matter with controllable surfaces, electro-wetting and electrophoretic phenomena, flexo- and ferro-electric switching effects. The array of novel fabrication and characterisation tools available to our group allows us to bridge the gap between fundamental science and innovative devices.

Publications

Kaur S, Kim YJ, Milton H, Mistry D, Syed IM, Bailey J, Novoselov KS, Jones JC, Morgan PB, Clamp J, Gleeson HF Graphene electrodes for adaptive liquid crystal contact lenses Optics Express 24 8782-8787, 2016
DOI:10.1364/OE.24.008782
View abstract

Jones JC Rising in the east:‘The Liquid Crystal Display Story’, edited by N. Koide Liquid Crystals Today 24 118-122, 2015
DOI:10.1080/1358314X.2015.1050842

Zhang Z, Panov VP, Nagaraj M, Mandle RJ, Goodby JW, Luckhurst GR, Jones JC, Gleeson HF Raman scattering studies of order parameters in liquid crystalline dimers exhibiting the nematic and twist-bend nematic phases Journal of Materials Chemistry C 3 10007-10016, 2015
DOI:10.1039/c5tc02174j
View abstract

Jones JC On the biaxiality of smectic C and ferroelectric liquid crystals Liquid Crystals 42 732-759, 2015
DOI:10.1080/02678292.2015.1028492
View abstract

Nagaraj M, Jones JC, Panov VP, Liu H, Portale G, Bras W, Gleeson HF Understanding the unusual reorganization of the nanostructure of a dark conglomerate phase Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 91 -, 2015
DOI:10.1103/PhysRevE.91.042504
View abstract

Syed IM, Kaur S, Milton HE, Mistry D, Bailey J, Morgan PB, Jones JC, Gleeson HF Novel switching mode in a vertically aligned liquid crystal contact lens Optics Express 23 9911-9916, 2015
DOI:10.1364/OE.23.009911
View abstract

Milton HE, Nagaraj M, Kaur S, Jones JC, Morgan PB, Gleeson HF Field-induced refractive index variation in the dark conglomerate phase for polarization-independent switchable liquid crystal lenses Applied Optics 53 7278-7284, 2014
DOI:10.1364/AO.53.007278
View abstract

Jones JC Bistable Nematic Liquid Crystal Dsplays In The Handbook of Liquid Crystals , 2014

Jones JC Bistable LCD In Handbook of Visual Display Technology , 2012

Jones JC, Amos RM Relating display performance and grating structure of a zenithal bistable display Molecular Crystals and Liquid Crystals 543 57-68, 2011
DOI:10.1080/15421406.2011.568330
View abstract

Spencer TJ, Care CM, Amos RM, Jones JC Zenithal bistable device: Comparison of modeling and experiment Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 82 -, 2010
DOI:10.1103/PhysRevE.82.021702
View abstract

Jones JC The zenithal bistable display: From concept to consumer Journal of the Society for Information Display 16 143-154, 2008
DOI:10.1889/1.2835021
View abstract

Jones JC Invited paper: The Zenithal Bistable Device: From concept to consumer, 2007
View abstract

Brown CV, Hind JM, Lymer KP, Jones JC Double minimum in the surface stabilized ferroelectric liquid crystal switching response Applied Physics Letters 85 1763-1765, 2004
DOI:10.1063/1.1786365
View abstract

Brown C, Dunn PE, Jones JC, Jenkins SA, Richardson RM X-ray structural studies of ferroelectric liquid crystal devices Molecular Crystals and Liquid Crystals 402 -, 2003
DOI:10.1080/15421400390243336
View abstract

Jones JC, Beldon SM, Wood EL Gray scale in zenithal bistable LCDs: The route to ultra-low-power color displays Journal of the Society for Information Display 11 269-275, 2003
DOI:10.1889/1.1825653
View abstract

Skelton GW, Jones JC, Kelly SM, Minter V, Tuffin RP Aromatic liquid crystals with a trifluoromethyl group in the terminal chain for use in nematic LC mixtures Liquid Crystals 28 749-759, 2001
DOI:10.1080/02678290010025486
View abstract

Skelton GW, Brett P, Jones JC, Kelly SM, Minter V, Tuffin RP Terminal trifluoromethyl-alkoxy and -alkenyloxy nematic liquid crystals for LCDs with active matrix addressing Liquid Crystals 28 417-435, 2001
DOI:10.1080/02678290010011580
View abstract

Jones JC Orientational elasticity In Encyclopaedia of Materials: Science and Technology , 2001

Jones JC, Brown CV, Dunn PE Physics ofτVMinferroelectric liquid crystal displays Ferroelectrics 246 -, 2000
View abstract

Goodby JW, Toyne KJ, Hird M, Styring P, Lewis RA, Beer A, Dong CC, Glendenning ME, Jones JC, Lymer KP, Slaney AJ, Minter V, Chan LKM Ferroelectric liquid crystalline materials: hosts, dopants and gels for display applications Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 346 169-182, 2000
View abstract

Jenkins SA, Jones JC, Dunn PE, Richardson RM X-ray studies of layer structure and needle defects in anti-parallel aligned SSFLC devices with medium pre-tilt Ferroelectrics 244 -, 2000
View abstract

Brown CV, Jones JC, Bancroft MS Detailed simulation of the Goldstone mode response of ferroelectric liquid crystals in the surface stabilised geometry Ferroelectrics 245 -, 2000
View abstract

Lymer KP, Dunn PE, Jones JC, Richardson RM, Taylor L Spontaneous layer reorientation in smectic C liquid crystals Ferroelectrics 244 -, 2000
View abstract

Petrenko AS, Hird M, Lewis RA, Meier JG, Jones JC, Goodby JW Twist grain boundary phase with a local antiferroelectric structure Journal of Physics Condensed Matter 12 8577-8593, 2000
DOI:10.1088/0953-8984/12/40/303
View abstract

Goodby JW, Petrenko A, Hird M, Lewis RA, Meier J, Jones JC Liquid-crystalline Abrikosov flux phase with an antiferroelectric structure Chemical Communications 1149-1150, 2000
View abstract

Jones JC, Bryan-Brown G, Wood E, Graham A, Brett P, Hughes J Novel bistable liquid crystal displays based on grating alignment Proceedings of SPIE - The International Society for Optical Engineering 3955 84-93, 2000
View abstract

Goodby JW, Toyne KJ, Hird M, Styring P, Lewis RA, Beer A, Dong CC, Glendenning ME, Jones JC, Lymer KP, Slaney AJ, Minter V, Chan LKM Chiral liquid crystals for ferroelectric, electroclinic and antiferroelectric displays and photonic devices Proceedings of SPIE - The International Society for Optical Engineering 3955 2-14, 2000
View abstract

Stanley M, Conway PB, Coomber S, Jones JC, Scattergood DC, Slinger CW, Bannister BW, Brown CV, Crossland WA, Travis ARL Novel electro-optic modulator system for the production of dynamic images from Giga-pixel computer generated holograms, 2000
View abstract

Goodby JW, Hird M, Jones JC, Lewis RA, Sage IC, Toyne KJ, Jones JC The Synthesis and Properties of Host Materials with Fluoro Substituents in the Core and in a Terminal Chain for High Dielectric Biaxiality FLC Mixtures Ferroelectrics 243 19-26, 2000
DOI:10.1080/00150190008008003
View abstract

Duffy WL, Jones JC, Kelly SM, Minter V, Tuffin RP Synthesis and Evaluation of Nematic 4-Alkenyloxy- And 4-Alkenoyloxy-4'-Cyanobiphenyls Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 332 101-108, 1999
View abstract

Brown CV, Jones JC, Dunn PE Determination of the Temperature Dependent Smectic C Biaxial Permittivity Tensor and Elastic Constants Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 331 465-472, 1999
View abstract

Duffy WL, Jones JC, Kelly SM, Minter V, Tuffin R Novel Nematic Compounds Incorporating Two Conjugated Carbon-Carbon Double Bonds in the Terminal Chain Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 332 91-99, 1999
View abstract

Dunn PE, Gass PA, Haslam SD, Jenkins SA, Jones JC, Richardson RM, Taylor L Layer and Director Profiles in Ferroelectric Liquid Crystal Displays Subjected to Mechanical Damage Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 328 357-365, 1999
View abstract

Jenkins SA, Jones JC, Dunn PE, Haslam SD, Richardson RM, Taylor L X-ray study of the layer structure in a high pre-tilt, anti-parallel aligned ferroelectric liquid crystal Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 329 631-638, 1999
View abstract

Itoh N, Akiyama H, Kawabata Y, Koden M, Miyoshi S, Numao T, Shigeta M, Sugino M, Bradshaw MJ, Brown CV, Graham A, Haslam SD, Hughes JR, Jones JC, McDonnell DG, Slaney AJ, Bonnett P, Gass PA, Rayens EP, Ulrich D 17-in. video-rate full-color FLCD Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers 53 1136-1141, 1999
View abstract

Glendenning ME, Goodby JW, Hird M, Jones JC, Toyne KJ, Slaney AJ, Minter V The Synthesis and Properties of Fluoroterphenyls for High Dielectric Biaxiality Ferroelectric Liquid Crystal Mixtures Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 332 321-328, 1999
View abstract

Brown CV, Jones JC Accurate determination of the temperature and frequency dependent smectic C biaxial permittivity tensor Journal of Applied Physics 86 3333-3341, 1999
View abstract

Koden M, Miyoshi S, Shigeta M, Nonomura K, Sugino M, Numao T, Katsuse H, Tagawa A, Kawabata Y, Gass PA, Towler MJ, Raynes EP, Jones JC, Brown CV, Hughes JR, Graham A, Bradshaw MJ, McDonnell DG Ferroelectric liquid crystal display Shapu Giho/Sharp Technical Journal 47-50, 1997
View abstract

Brown CV, Dunn PE, Jones JC Viewing angle characteristics of surface stabilized ferroelectric liquid crystal devices, 1997
View abstract

Gass PA, Towler MJ, Shigeta M, Tamai K, Uchida H, Dunn PE, Haslam SD, Jones JC FLCD mechanical stability, setting and achieving realistic targets, 1997
View abstract

Bradshaw MJ, Brown CV, Haslam SD, Hughes JR, Graham A, Jones JC, McDonnell DG, Katsuse H, Kawabata Y, Koden M, Miyoshi S, Nonomura K, Numao T, Shigeta M, Sugino M Key technologies forτVmin ferroelectric liquid crystal displays, 1997
View abstract

Dunn PE, Brown CV, Jones JC Measurement of the elastic constants and effective surface anchoring energy for a smectic C liquid crystal Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals 304 371-376, 1997
View abstract

Brown CV, Dunn PE, Jones JC Realizing a high memory angle inτ-Vmin mode ferroelectric liquid crystal displays, 1997
View abstract

Anderson MH, Hughes JR, Jones JC, Russell KG Comparison of three slot DRAMA with otherτVmin drive schemes, 1997
View abstract

Brown CV, Dunn PE, Jones JC The effect of the elastic constants on the alignment and electro-optic behaviour of smectic C liquid crystals European Journal of Applied Mathematics 8 281-291, 1997
View abstract

Slaney AJ, Minter V, Jones JC Assessing ferroelectric materials for application inτVminmode devices Ferroelectrics 178 65-74, 1996
View abstract

Jones JC The relationship between the smectic C director and layer profiles and the surface anchoring energies Ferroelectrics 178 155-165, 1996
View abstract

Bancroft MS, Brown CV, Jones JC Dielectric relaxation studies of goldstone mode fluctuations in SSFLC cells Ferroelectrics 180 1-13, 1996
View abstract

Phillips TJ, Minter V, Jones JC On the effects of doping calamitic and discotic nematics with materials of the opposite aspect ratio Liquid Crystals 21 581-584, 1996
View abstract

Jones JC Exploiting the minimum Information Display 12 12-15, 1996
View abstract

Phillips TJ, Jones JC, Jones JC On the effects of doping calamitic and discotic nematics with materials of the opposite aspect ratio Liquid Crystals 21 581-584, 1996
DOI:10.1080/02678299608032866
View abstract

Graham A, Hughes JR, Jones JC, Lewis MF, McDonnell DG, Slaney AJ, Vizard RL Colour and greyscale in ferroelectric liquid crystal displays, 1995
View abstract

Graham A, Hughes JR, Jones JC, Lewis MF, McDonnell DG, Slaney AJ, Vizard RL Greyscale and color in ferroelectric liquid crystal displays, 1995
View abstract

Taylor L, Richardson RM, Ebbutt J, Jones JC X-ray diffraction studies of the smectic a to smectic c transition within a surface stabilised liquid crystal cell Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 263 255-270, 1995
DOI:10.1080/10587259508033590
View abstract

Phillips TJ, Jones JC On the refractive indices, polarizabilities and order parameter of a nematic discogenic mixture Liquid Crystals 16 805-812, 1994
DOI:10.1080/02678299408027851
View abstract

Phillips TJ, Jones JC, McDonnell DG On the influence of short range order upon the physical properties of triphenylene nematic discogens Liquid Crystals 15 203-215, 1993
DOI:10.1080/02678299308031951
View abstract

Jones JC, Towler MJ, Hughes JR Fast, high-contrast ferroelectric liquid crystal displays and the role of dielectric biaxiality Displays 14 86-93, 1993
DOI:10.1016/0141-9382(93)90075-G
View abstract

Towler MJ, Jones JC, Raynes EP The effect of the biaxial permittivity tensor and tilted layer geometries on the switching of ferroelectric liquid crystals Liquid Crystals 11 365-371, 1992
DOI:10.1080/02678299208028995
View abstract

Jones JC, Raynes EP Measurement of the biaxial permittivities for several smectic C host materials used in ferroelectric liquid crystal devices Liquid Crystals 11 199-217, 1992
DOI:10.1080/02678299208028983
View abstract

Jones JC, Towler MJ, Raynes EP The importance of dielectric biaxiality for ferroelectric liquid crystal devices Ferroelectrics 121 91-102, 1991
DOI:10.1080/00150199108217613
View abstract

Towler MJ, Anderson MH, Jones JC, Raynes EP Optical studies of thin layers of smectic c materials Ferroelectrics 121 137-141, 1991
DOI:10.1080/00150199108217617
View abstract

Anderson MH, Jones JC, Raynes EP, Towler MJ Optical studies of thin layers of smectic-c materials Journal of Physics D: Applied Physics 24 338-342, 1991
DOI:10.1088/0022-3727/24/3/016
View abstract

Anderson MH, Jones JC, Raynes EP, Towler MJ Optical studies of high tilt SiO aligned thin layers of smectic C materials Liquid Crystals 10 439-444, 1991
DOI:10.1080/02678299108026290
View abstract

Jones JC, Raynes EP, Towler MJ, Sambles JR Dielectric Biaxiality in Smectic C Host Systems Molecular Crystals and Liquid Crystals 199 277-285, 1991
View abstract

Jones JC, Day SE Shedding light on alignment Nature 351 15-15, 1991

Jones JC, Raynes EP, Towler MJ, Sambles JR Observation of dielectric biaxiality in a two-frequency smectic-C and a reinterpretation of ferroelectric liquid crystal AC field effects Molecular Crystals and Liquid Crystals Letters 7 91-99, 1990
DOI:10.1080/01406566.1990.10767059
View abstract

Jones JC, Solodkov NV, Hird MH Alignment and Electro-optical properties of SmC* with direct transition to N* phases Molecular Crystals and Liquid Crystals -,
View abstract