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• Journal article
  Wong LLC, Barg S, Menner A, Pereira PDV, Eda G, Chowalla M, Saiz E, Bismarck Aet al., 2014,

  Macroporous polymer nanocomposites synthesised from high internal phase emulsion templates stabilised by reduced graphene oxide

  , POLYMER, Vol: 55, Pages: 395-402, ISSN: 0032-3861
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  • Citations: 36
• Conference paper
  Glymond D, Vick M, Pan MJ, Giuliani F, Vandeperre LJet al., 2014,

  The effect of the addition of ceria stabilised zirconia on the creep of mullite

  , Pages: 69-77, ISSN: 0196-6219

  Mullite is considered a promising candidate for ceramic recuperators in turbo propelled engines, due to due to its low thermal conductivity, adequate thermal shock resistance, low cost, low density, thermodynamic stability, and reasonable strength at high temperatures. Unfortunately, the limited fracture toughness of mullite (∼1.8-2.8 MPa m1/2) is considered too low. Improving the fracture toughness to 4.7 MPa m1/2 is possible by the addition of ceria stabilised zirconia (CSZ). However, the addition of CSZ to mullite may also affect other properties. In this paper the effect of the addition of CSZ on the creep resistance is described by comparing a mullite-zirconia composite made with a commercially available mullite powder against the creep behaviour of mullite made from the same mullite powder. The stress exponent is close to 1 and the activation energies for creep were similar at 426±38 kJ mol-1 and 452±15 kJ mol-1. However, the resistance to creep as expressed by a given strain rate for a given stress is 250°C lower in the 20 vol% zirconia-mullite composite compared to the baseline.

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• Journal article
  Ni N, Kaufmann Y, Kaplan WD, Saiz Eet al., 2014,

  Interfacial energies and mass transport in the Ni(Al)–Al2O3 system: The implication of very low oxygen activities

  , Acta Materialia, Vol: 64, Pages: 282-296, ISSN: 1359-6454
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• Journal article
  Fu Q, Saiz E, Rahaman MN, Tomsia APet al., 2013,

  Toward Strong and Tough Glass and Ceramic Scaffolds for Bone Repair

  , ADVANCED FUNCTIONAL MATERIALS, Vol: 23, Pages: 5461-5476, ISSN: 1616-301X
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  • Citations: 154
• Journal article
  Tomsia AP, Lee JS, Wegst UGK, Saiz Eet al., 2013,

  Nanotechnology for Dental Implants

  , INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS, Vol: 28, Pages: E535-E546, ISSN: 0882-2786
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  • Citations: 24
• Journal article
  Houmard M, Fu Q, Genet M, Saiz E, Tomsia APet al., 2013,

  On the structural, mechanical, and biodegradation properties of HA/beta-TCP robocast scaffolds

  , JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, Vol: 101, Pages: 1233-1242, ISSN: 1552-4973
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  • Citations: 72
• Journal article
  Genet M, Houmard M, Eslava S, Saiz E, Tomsia APet al., 2013,

  A two-scale Weibull approach to the failure of porous ceramic structures made by robocasting: Possibilities and limits (vol 33, pg 679, 2013)

  , JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, Vol: 33, Pages: 1393-1393, ISSN: 0955-2219
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• Journal article
  Chen Z, Wang X, Bhakhri V, Giuliani F, Atkinson Aet al., 2013,

  Nanoindentation of porous bulk and thin films of La0.6Sr0.4Co0.2Fe0.8O3−δ

  , Acta Materialia, Vol: 61, Pages: 5720-5734, ISSN: 1873-2453

  In this paper we show how reliable measurements on porous ceramic films can be made by appropriate nanoindentation experiments and analysis. Room-temperature mechanical properties of the mixed-conducting perovskite material La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF6428) were investigated by nanoindentation of porous bulk samples and porous films sintered at temperatures from 900 to 1200 °C. A spherical indenter was used so that the contact area was much greater than the scale of the porous microstructure. The elastic modulus of the bulk samples was found to increase from 33.8 to 174.3 GPa and hardness from 0.64 to 5.32 GPa as the porosity decreased from 45% to 5% after sintering at 900–1200 °C. Densification under the indenter was found to have little influence on the measured elastic modulus. The residual porosity in the “dense” sample was found to account for the discrepancy between the elastic moduli measured by indentation and by impulse excitation. Crack-free LSCF6428 films of acceptable surface roughness for indentation were also prepared by sintering at 900–1200 °C. Reliable measurements of the true properties of the films were obtained by data extrapolation provided that the ratio of indentation depth to film thickness was in the range 0.1–0.2. The elastic moduli of the films and bulk materials were approximately equal for a given porosity. The 3-D microstructures of films before and after indentation were characterized using focused ion beam/scanning electron microscopy tomography. Finite-element modelling of the elastic deformation of the actual microstructures showed excellent agreement with the nanoindentation results.

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• Journal article
  Garcia-Tunon E, Barg S, Bell R, J V M W, Walter C, Goyos L, Saiz Eet al., 2013,

  Designing Smart Particles for the Assembly of Complex Macroscopic Structures

  , Angewandte Chemie-International Edition
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• Journal article
  Walter C, Barg S, Ni N, Maher RC, Garcίa-Tuñón E, Muzzafar Zaiviji Ismail M, Babot F, Saiz Eet al., 2013,

  A novel approach for the fabrication of carbon nanofibre/ceramic porous structures

  , Journal of the European Ceramic Society
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• Journal article
  Kim H, Saiz E, Chhowalla M, Mattevi Cet al., 2013,

  Modeling of the self-limited growth in catalytic chemical vapor deposition of graphene

  , NEW JOURNAL OF PHYSICS, Vol: 15, ISSN: 1367-2630
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  • Citations: 41
• Conference paper
  Wong LLC, Barg S, Menner A, Bismarck A, Saiz Eet al., 2013,

  Graphene oxide macroporous polymer foam nanocomposites synthesised via emulsion templating

  , 245th National Spring Meeting of the American-Chemical-Society (ACS), Publisher: AMER CHEMICAL SOC, ISSN: 0065-7727
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• Journal article
  Genet M, Houmard M, Eslava S, Saiz E, Tomsia APet al., 2013,

  A two-scale Weibull approach to the failure of porous ceramic structures made by robocasting: Possibilities and limits

  , J. Eur. Ceram. Soc., Vol: 33, Pages: 679-688
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• Journal article
  Huang J, Ten E, Liu G, Finzen M, Yu W, Lee JS, Saiz E, Tomsia APet al., 2013,

  Biocomposites of pHEMA with HA/beta-TCP (60/40) for bone tissue engineering: Swelling, hydrolytic degradation, and in vitro behavior

  , POLYMER, Vol: 54, Pages: 1197-1207, ISSN: 0032-3861
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  • Citations: 24
• Journal article
  Huang J, Zhao D, Dangaria SJ, Luan X, Diekwisch TGH, Jiang G, Saiz E, Liu G, Tomsia APet al., 2013,

  Combinatorial design of hydrolytically degradable, bone-like biocomposites based on PHEMA and hydroxyapatite

  , POLYMER, Vol: 54, Pages: 909-919, ISSN: 0032-3861
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  • Citations: 23
• Conference paper
  Wang J, Feilden-Irving E, Vandeperre LJ, Giuliani Fet al., 2013,

  THE HARDNESS OF ZrB2 BETWEEN 1373 K AND 2273 K

  , 36th International Conference and Expo on Advanced Ceramics and Composites, Publisher: AMER CERAMIC SOC, Pages: 187-195, ISSN: 0196-6219
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• Journal article
  Saiz E, Zimmermann EA, Lee JS, Wegst UGK, Tomsia APet al., 2013,

  Perspectives on the role of nanotechnology in bone tissue engineering

  , DENTAL MATERIALS, Vol: 29, Pages: 103-115, ISSN: 0109-5641
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  • Citations: 92
• Conference paper
  Glymond D, Vick M, Pan M-J, Giuliani F, Vandeperre LJet al., 2013,

  TAILORING MICROSTRUCTURES IN MULLITE FOR TOUGHNESS ENHANCEMENT

  , Mechanical Behavior and Performance of Ceramics and Composites Symposium, Publisher: AMER CERAMIC SOC, Pages: 143-151, ISSN: 0196-6219
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• Journal article
  Garcia-Tunon E, Franco J, Eslava S, Bhakhri V, Saiz E, Giuliani F, Guitian Fet al., 2013,

  Synthesis and optimization of the production of millimeter-size hydroxyapatite single crystals by Cl--OH- ion exchange

  , J. Am. Ceram. Soc., Vol: 96, Pages: 759-765
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• Journal article
  Eslava S, Zhang L, Vanstreels K, Baklanov MR, Saiz Eet al., 2012,

  Metal-organic framework ZIF-8 as low-k dielectrics in microelectronics

  , Chemistry of Materials, Vol: 25, Pages: 27-33
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• Journal article
  Garcia-Tunon E, Couceiro R, Franco J, Saiz E, Guitian Fet al., 2012,

  Synthesis and characterisation of large chlorapatite single-crystals with controlled morphology and surface roughness

  , JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE, Vol: 23, Pages: 2471-2482, ISSN: 0957-4530
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  • Citations: 12
• Journal article
  Kuenzel C, Vandeperre LJ, Donatello S, Boccaccini AR, Cheeseman Cet al., 2012,

  Ambient Temperature Drying Shrinkage and Cracking in Metakaolin-Based Geopolymers

  , JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Vol: 95, Pages: 3270-3277, ISSN: 0002-7820
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  • Citations: 165
• Journal article
  Kuenzel C, Grover LM, Vandeperre L, Boccaccini AR, Cheeseman CRet al., 2012,

  Production of nepheline/quartz ceramics from geopolymer mortars

  , Journal of the European Ceramic Society, Vol: 33, Pages: 251-258, ISSN: 1873-619X

  This research has investigated the mechanical properties and microstructure of metakaolin derived geopolymer mortars containing 50% by weight of silica sand, after exposure to temperatures up to 1200 °C. The compressive strength, porosity and microstructure of the geopolymer mortar samples were not significantly affected by temperatures up to 800 °C. Nepheline (NaAlSiO4) and carnegieite (NaAlSiO4) form at 900 °C in the geopolymer phase and after exposure to 1000 °C the mortar samples were transformed into polycrystalline nepheline/quartz ceramics with relatively high compressive strength (∼275 MPa) and high Vickers hardness (∼350 HV). Between 1000 and 1200 °C the samples soften with gas evolution causing the formation of closed porosity that reduced sample density and limited the mechanical properties.

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• Journal article
  Esteban-Tejeda L, Cabal B, Malpartida F, Lopez-Piriz R, Torrecillas R, Saiz E, Tomsia AP, Moya JSet al., 2012,

  Soda-lime glass-coating containing silver nanoparticles on Ti-6Al-4V alloy

  , JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, Vol: 32, Pages: 2723-2729, ISSN: 0955-2219
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  • Citations: 12
• Journal article
  Huang J, Liu G, Song C, Saiz E, Tomsia APet al., 2012,

  Role of Molecular Chemistry of Degradable pHEMA Hydrogels in Three-Dimensional Biomimetic Mineralization

  , CHEMISTRY OF MATERIALS, Vol: 24, Pages: 1331-1337, ISSN: 0897-4756
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  • Citations: 27
• Journal article
  Houmard M, Fu Q, Saiz E, Tomsia APet al., 2012,

  Sol-gel method to fabricate CaP scaffolds by robocasting for tissue engineering

  , JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE, Vol: 23, Pages: 921-930, ISSN: 0957-4530
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  • Citations: 27
• Journal article
  Kim H, Mattevi C, Calvo MR, Oberg JC, Artiglia L, Agnoli S, Hirjibehedin CF, Chhowalla M, Saiz Eet al., 2012,

  Activation Energy Paths for Graphene Nucleation and Growth on Cu

  , ACS NANO, Vol: 6, Pages: 3614-3623, ISSN: 1936-0851
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  • Citations: 326
• Journal article
  Franklin JB, Downing JM, Giuliani F, Ryan MP, McLachlan MAet al., 2012,

  Building on Soft Foundations – New Possibilities for Controlling Hybrid Photovoltaic Architectures

  , Advanced Energy Materials

  Here we outline a methodology for the deposition of a highly crystalline transparent conductive metal oxide (ZnO) onto a functionalised organic thin film poly (3-hexylthiophene, P3HT) without degradation of the microstructural, optical or electronic properties of the organic layer. To confirm the absence of damage we have assembled a simple bilayer photovoltaic (PV) device. The processing methodology has enabled us to demonstrate hybrid photovoltaic (h-PV) device formation in the conventional architecture for the first time. The compatibility of this novel low temperature processing route with π-conjugated molecular materials has tremendous potential for applications including electron accepting layers and optical spacers in organic PVs and light emitting diodes, as transparent electrodes and all future devices reliant on flexible substrates.

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• Journal article
  Bhakhri V, Wang J, Ur-rehman N, Ciurea C, Giuliani F, Vandeperre LJet al., 2012,

  Instrumented nanoindentation investigation into the mechanical behavior of ceramics at moderately elevated temperatures

  , Journal of Materials Research
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• Journal article
  Franklin JB, Downing JM, Giuliani F, Ryan MP, McLachlan MAet al., 2012,

  Building on Soft Foundations – New Possibilities for Controlling Hybrid Photovoltaic Architectures

  , Advanced Energy Materials

  Here we outline a methodology for the deposition of a highly crystalline transparent conductive metal oxide (ZnO) onto a functionalised organic thin film poly (3-hexylthiophene, P3HT) without degradation of the microstructural, optical or electronic properties of the organic layer. To confirm the absence of damage we have assembled a simple bilayer photovoltaic (PV) device. The processing methodology has enabled us to demonstrate hybrid photovoltaic (h-PV) device formation in the conventional architecture for the first time. The compatibility of this novel low temperature processing route with π-conjugated molecular materials has tremendous potential for applications including electron accepting layers and optical spacers in organic PVs and light emitting diodes, as transparent electrodes and all future devices reliant on flexible substrates.

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