All Stories

  1. Biotechnology for Preventive Conservation: Development of Bionanomaterials for Antimicrobial Coating of Outdoor Sculptures

    Article • Studies in Conservation, August 2018, Taylor & Francis

    Dr Patrícia R Moreira, Dr Robert C Pullar

  2. Aerosol assisted chemical vapour deposition of hydroxyapatite-embedded titanium dioxide composite thin films

    Article • Journal of Photochemistry and Photobiology A Chemistry, January 2017, Elsevier

    Dr Robert C Pullar

  3. Fast route for synthesis of stoichiometric hydroxyapatite by employing the Taguchi method

    Article • Materials & Design, November 2016, Elsevier

    Dr Robert C Pullar

  4. Oxygen vacancies, the optical band gap (Eg) and photocatalysis of hydroxyapatite: Comparing modelling with measured data

    Article • Applied Catalysis B Environment and Energy, November 2016, Elsevier

    Dr Robert C Pullar

  5. ChemInform Abstract: High Dielectric Constant and Capacitance in Ultrasmall (2.5 nm) SrHfO3Perovskite Nanoparticles Produced in a Low Temperature Non-Aqueous Sol-Gel Route.

    Article • ChemInform, July 2016, Wiley

    Dr Robert C Pullar, Doctor Mohamed Karmaoui

  6. The effect of functional ions (Y3+, F−, Ti4+) on the structure, sintering and crystallization of diopside-calcium pyrophosphate bioglasses

    Article • Journal of Non-Crystalline Solids, July 2016, Elsevier

    Dr Robert C Pullar

  7. Pt-decorated In2O3 nanoparticles and their ability as a highly sensitive (<10ppb) acetone sensor for biomedical applications

    Article • Sensors and Actuators B Chemical, July 2016, Elsevier

    Dr Robert C Pullar, Doctor Mohamed Karmaoui, Dr Mohamed Karmaoui

  8. Hidden value in low-cost inorganic pigments as potentially valuable magnetic materials

    Article • Ceramics International, June 2016, Elsevier

    Dr Robert C Pullar

  9. Aqueous Acid Orange 7 dye removal by clay and red mud mixes

    Article • Applied Clay Science, June 2016, Elsevier

    Dr Robert C Pullar

  10. The Influence of Cu2+and Mn2+Ions on the Structure and Crystallization of Diopside-Calcium Pyrophosphate Bioglasses

    Article • International Journal of Applied Glass Science, April 2016, Wiley

    Dr Robert C Pullar

  11. Valorisation of industrial iron oxide waste to produce magnetic barium hexaferrite

    Article • ChemistrySelect, April 2016, Wiley

    Dr Robert C Pullar

  12. Effective removal of anionic and cationic dyes by kaolinite and TiO2/kaolinite composites

    Article • Clay Minerals, March 2016, Mineralogical Society

    Dr Robert C Pullar

  13. Truncated tetragonal bipyramidal anatase nanocrystals formed without use of capping agents from the supercritical drying of a TiO2sol

    Article • CrystEngComm, January 2016, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Robert C Pullar

  14. High dielectric constant and capacitance in ultrasmall (2.5 nm) SrHfO3 perovskite nanoparticles produced in a low temperature non-aqueous sol–gel route

    Article • RSC Advances, January 2016, Royal Society of Chemistry

    Dr Robert C Pullar, Dr Mohamed Karmaoui

  15. Biomimetic cork-based CeO2 ecoceramics for hydrogen generation using concentrated solar energy

    Article • Ciência & Tecnologia dos Materiais, January 2016, Elsevier

    Dr Robert C Pullar

  16. Sensing properties and photochromism of Ag–TiO2nano-heterostructures

    Article • Journal of Materials Chemistry A, January 2016, Royal Society of Chemistry

    Dr Robert C Pullar

  17. Combinatorial Materials Science, and a Perspective on Challenges in Data Acquisition, Analysis and Presentation

    Article • December 2015, Springer Science + Business Media

    Dr Robert C Pullar

  18. Cu–TiO 2 Hybrid Nanoparticles Exhibiting Tunable Photochromic Behavior

    Article • The Journal of Physical Chemistry C, October 2015, American Chemical Society (ACS)

    Dr Robert C Pullar

  19. A reveiw paper on ceramic fibres of hexaferrites

    Article • Solid State Phenomena, October 2015, Trans Tech Publications

    Dr Robert C Pullar

  20. Magnetic wood-based biomorphic Sr3Co2Fe24O41 Z-type hexaferrite ecoceramics made from cork templates

    Article • Materials & Design, October 2015, Elsevier

    Dr Robert C Pullar

  21. Silver-containing calcium phosphate materials of marine origin with antibacterial activity

    Article • Ceramics International, September 2015, Elsevier

    Dr Robert C Pullar

  22. Hydroxyapatite-based materials of marine origin: A bioactivity and sintering study

    Article • Materials Science and Engineering C, June 2015, Elsevier

    Dr Robert C Pullar

  23. Computational study of hydroxyapatite structures, properties and defects

    Article • Journal of Physics D Applied Physics, March 2015, Institute of Physics Publishing

    Vladimir Bystrov, Dr Robert C Pullar

  24. Light induced antibacterial activity and photocatalytic properties of Ag/Ag3PO4 -based material of marine origin

    Article • Journal of Photochemistry and Photobiology A Chemistry, January 2015, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  25. Novel nanosynthesis of In2O3 and its application as a resistive gas sensor for sevoflurane anesthetic

    Article • Journal of Materials Chemistry B, January 2015, Royal Society of Chemistry

    Dr Mohamed Karmaoui, Dr Robert C Pullar

  26. Influence of sol counter-ions on the anatase-to-rutile phase transformation and microstructure of nanocrystalline TiO2

    Article • CrystEngComm, January 2015, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Robert C Pullar

  27. Local manifestations of a static magnetoelectric effect in nanostructured BaTiO3–BaFe12O9composite multiferroics

    Article • Nanoscale, January 2015, Royal Society of Chemistry

    Dr Robert C Pullar, Vladimir Shur

  28. Nano-titania doped with europium and neodymium showing simultaneous photoluminescent and photocatalytic behaviour

    Article • Journal of Materials Chemistry C, January 2015, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Robert C Pullar

  29. Quantitative XRD characterisation and gas-phase photocatalytic activity testing for visible-light (indoor applications) of KRONOClean 7000®

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Robert C Pullar

  30. Hydroxyapatite and chloroapatite derived from sardine by-products

    Article • Ceramics International, September 2014, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  31. Fully quantitative X-ray characterisation of Evonik Aeroxide TiO2 P25®

    Article • Materials Letters, May 2014, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  32. Silver-Modified Nano-titania as an Antibacterial Agent and Photocatalyst

    Article • The Journal of Physical Chemistry C, February 2014, American Chemical Society (ACS)

    Dr David Maria Tobaldi, Dr Robert C Pullar

  33. Visible light activated photocatalytic behaviour of rare earth modified commercial TiO2

    Article • Materials Research Bulletin, February 2014, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  34. Influence of sol counter-ions on the visible light induced photocatalytic behaviour of TiO2 nanoparticles

    Article • Catalysis Science & Technology, January 2014, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Robert C Pullar

  35. A hydroxyapatite–Fe2O3 based material of natural origin as an active sunscreen filter

    Article • Journal of Materials Chemistry B, January 2014, Royal Society of Chemistry

    Dr Robert C Pullar

  36. Non-aqueous sol–gel synthesis through a low-temperature solvothermal process of anatase showing visible-light photocatalytic activity

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Dr Mohamed Karmaoui, Dr David Maria Tobaldi, Dr Robert C Pullar, Doctor Mohamed Karmaoui

  37. Multiferroic and Magnetoelectric Hexagonal Ferrites

    Article • January 2014, Springer Science + Business Media

    Dr Robert C Pullar

  38. Magnetic Properties of Aligned Co2Z Hexagonal Z-Ferrite Fibers

    Article • International Journal of Applied Ceramic Technology, December 2013, Wiley

    Dr Robert C Pullar

  39. Nanosized titania modified with tungsten and silver: Microstructural characterisation of a multifunctional material

    Article • Applied Surface Science, December 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  40. ChemInform Abstract: Hexagonal Ferrites: A Review of the Synthesis, Properties and Applications of Hexaferrite Ceramics

    Article • ChemInform, October 2013, Wiley

    Dr Robert C Pullar

  41. Natural Portuguese clayey materials and derived TiO2-containing composites used for decolouring methylene blue (MB) and orange II (OII) solutions

    Article • Applied Clay Science, October 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  42. Phase composition, crystal structure and microstructure of silver and tungsten doped TiO2 nanopowders with tuneable photochromic behaviour

    Article • Acta Materialia, September 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  43. Aligned Co 2 Z Hexagonal Ferrite Fibers

    Article • Additional Conferences (Device Packaging HiTEC HiTEN & CICMT), September 2013, International Microelectronics and Packaging Society (IMAPS)

    Dr Robert C Pullar

  44. Modeling of switching and piezoelectric phenomena in polyvinylidenefluoride (PVDF)

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Robert C Pullar

  45. Study of polar and electrical properties of Hydroxyapatite: Modeling and data analysis

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Robert C Pullar

  46. Molecular modeling of the piezoelectric effect in the ferroelectric polymer poly(vinylidene fluoride) (PVDF)

    Article • Journal of Molecular Modeling, June 2013, Springer Science + Business Media

    Dr Robert C Pullar

  47. Bacteria immobilisation on hydroxyapatite surface for heavy metals removal

    Article • Journal of Environmental Management, May 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  48. Titanium dioxide modified with transition metals and rare earth elements: Phase composition, optical properties, and photocatalytic activity

    Article • Ceramics International, April 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  49. Compositional and chromatic properties of strontium hexaferrite as pigment for ceramic bodies and alternative synthesis from wiredrawing sludge

    Article • Dyes and Pigments, March 2013, Elsevier

    Dr Robert C Pullar

  50. Magnetic Properties of Ferrite Ceramics Made from Wastes

    Article • Waste and Biomass Valorization, February 2013, Springer Science + Business Media

    Dr Robert C Pullar

  51. Guest Editorial

    Article • Ferroelectrics, January 2013, Taylor & Francis

    Professor Senentxu Lanceros-Mendez, Dr Robert C Pullar

  52. Calcium phosphate-based materials of natural origin showing photocatalytic activity

    Article • Journal of Materials Chemistry A, January 2013, Royal Society of Chemistry

    Dr David Maria Tobaldi, Dr Charles William Dunnill, Dr Robert C Pullar

  53. Sol–gel synthesis, characterisation and photocatalytic activity of pure, W-, Ag- and W/Ag co-doped TiO2 nanopowders

    Article • Chemical Engineering Journal, January 2013, Elsevier

    Dr David Maria Tobaldi, Dr Robert C Pullar

  54. A Computational Study of the Properties and Surface Interactions of Hydroxyapatite

    Article • Ferroelectrics, January 2013, Taylor & Francis

    Dr Robert C Pullar

  55. Extraction and characterisation of apatite- and tricalcium phosphate-based materials from cod fish bones

    Article • Materials Science and Engineering C, January 2013, Elsevier

    Dr Robert C Pullar

  56. Hexagonal ferrites: A review of the synthesis, properties and applications of hexaferrite ceramics

    Article • Progress in Materials Science, September 2012, Elsevier

    Dr Robert C Pullar

  57. The Rapid Discovery of Novel Dielectric and Magnetic Ceramics, and Structure-Property Relationships, through Combinatorial High Throughput Methods

    Article • Additional Conferences (Device Packaging HiTEC HiTEN & CICMT), September 2012, International Microelectronics and Packaging Society (IMAPS)

    Dr Robert C Pullar

  58. Combinatorial Bulk Ceramic Magnetoelectric Composite Libraries of Strontium Hexaferrite and Barium Titanate

    Article • ACS Combinatorial Science, July 2012, American Chemical Society (ACS)

    Dr Robert C Pullar

  59. Polarization of poly(vinylidene fluoride) and poly(vinylidene fluoride-trifluoroethylene) thin films revealed by emission spectroscopy with computational simulation during phase transition

    Article • Journal of Applied Physics, May 2012, American Institute of Physics

    Dr Robert C Pullar

  60. Chromatic Properties of Industrial Solid Waste Based Ferrites

    Article • Waste and Biomass Valorization, May 2012, Springer Science + Business Media

    Dr Robert C Pullar

  61. Near-Zero τfDoped-Niobate Ceramics for Dielectric Resonator Applications

    Article • April 2012, Wiley

    Dr Robert C Pullar

  62. Magnetic properties of randomly oriented BaM, SrM, Co2Y, Co2Z and Co2W hexagonal ferrite fibres

    Article • Journal of the European Ceramic Society, April 2012, Elsevier

    Dr Robert C Pullar

  63. Piezoelectricity and Ferroelectricity in Biomaterials: From Proteins to Self-assembled Peptide Nanotubes

    Article • January 2012, Springer Science + Business Media

    Dr Robert C Pullar

  64. BioFerroelectricity: Diphenylalanine Peptide Nanotubes Computational Modeling and Ferroelectric Properties at the Nanoscale

    Article • Ferroelectrics, January 2012, Taylor & Francis

    Dr Robert C Pullar

  65. Local probing of magnetoelectric coupling in multiferroic composites of BaFe12O19–BaTiO3

    Article • Journal of Applied Physics, August 2010, American Institute of Physics

    Dr Robert C Pullar

  66. ChemInform Abstract: Structures, Phase Transitions and Microwave Dielectric Properties of the 6H Perovskites Ba3BSb2O9, B: Mg, Ca, Sr, Ba.

    Article • ChemInform, June 2009, Wiley

    Dr Robert C Pullar

  67. The Synthesis, Properties, and Applications of Columbite Niobates (M2+Nb2O6): A Critical Review

    Article • Journal of the American Ceramic Society, March 2009, Wiley

    Dr Robert C Pullar

  68. Structures, phase transitions and microwave dielectric properties of the 6H perovskites Ba3BSb2O9, B=Mg, Ca, Sr, Ba

    Article • Journal of Solid State Chemistry, March 2009, Elsevier

    Dr Robert C Pullar, Dr Chris D Ling

  69. Dielectric loss caused by oxygen vacancies in titania ceramics

    Article • Journal of the European Ceramic Society, February 2009, Elsevier

    Dr Robert C Pullar

  70. The effects of dielectric loss and tip resistance on resonator Q of the scanning evanescent microwave microscopy (SEMM) probe

    Article • Measurement Science and Technology, September 2008, Institute of Physics Publishing

    Dr Robert C Pullar

  71. Bismuth-induced dielectric relaxation in the (1−x)La(Mg1∕2Ti1∕2)O3–xBi(Mg1∕2Ti1∕2)O3 perovskite system

    Article • Journal of Applied Physics, July 2008, American Institute of Physics

    Dr Robert C Pullar

  72. Dielectric measurements on a novel Ba1 − x Ca x TiO3 (BCT) bulk ceramic combinatorial library

    Article • Journal of Electroceramics, February 2008, Springer Science + Business Media

    Dr Robert C Pullar

  73. Functional Ceramic Materials Database:  An Online Resource for Materials Research

    Article • Journal of Chemical Information and Computer Sciences, February 2008, American Chemical Society (ACS)

    Dr Robert C Pullar, Prof. Mailadil T SEBASTIAN

  74. Dielectric relaxation and microwave loss in the La(Mg1/2Ti1/2)O3–(Na1/2Bi1/2)TiO3 perovskite ceramics

    Article • Journal of Materials Research, October 2007, Cambridge University Press

    Dr Robert C Pullar

  75. Broadband microwave-to-terahertz near-field imaging

    Article • June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Robert C Pullar

  76. Manufacture and measurement of combinatorial libraries of dielectric ceramics

    Article • Journal of the European Ceramic Society, January 2007, Elsevier

    Dr Robert C Pullar

  77. Manufacture and measurement of combinatorial libraries of dielectric ceramics

    Article • Journal of the European Ceramic Society, January 2007, Elsevier

    Dr Robert C Pullar

  78. MgWO4, ZnWO4, NiWO4 and CoWO4 microwave dielectric ceramics

    Article • Journal of the European Ceramic Society, January 2007, Elsevier

    Dr Robert C Pullar

  79. V2O5-Doped M2+Cu2Nb2O8 Compounds (M2+= Zn, Co, Ni, Mg & Ca) for Microwave Dielectric LTCCs

    Article • May 2006, CrossRef Test Account

    Dr Robert C Pullar

  80. The magnetic properties of aligned M hexa-ferrite fibres

    Article • Journal of Magnetism and Magnetic Materials, May 2006, Elsevier

    Dr Robert C Pullar

  81. A mechanism for low-temperature sintering

    Article • Journal of the European Ceramic Society, January 2006, Elsevier

    Dr Robert C Pullar

  82. Effect of sodium on the creep resistance of yttrium aluminium garnet (YAG) fibres

    Article • Journal of the European Ceramic Society, January 2006, Elsevier

    Dr Robert C Pullar

  83. Novel microwave dielectric LTCCs based uponV2O5 doped M2+Cu2Nb2O8 compounds (M2+=Zn, Co, Ni, Mg and Ca)

    Article • Journal of the European Ceramic Society, January 2006, Elsevier

    Dr Robert C Pullar

  84. Low-temperature microwave and THz dielectric response in novel microwave ceramics

    Article • Journal of the European Ceramic Society, January 2006, Elsevier

    Dr Robert C Pullar, Dr. Jan Petzelt

  85. V2O5-Doped M2+Cu2Nb2O8 Compounds (M2+= Zn, Co, Ni, Mg & Ca) for Microwave Dielectric LTCCs

    Article • Materials Science Forum, January 2006, Trans Tech Publications

    Dr Robert C Pullar

  86. Evaluating the properties of dielectric materials for microwave integrated circuits

    Article • January 2006, the Institution of Engineering and Technology (the IET)

    Dr Robert C Pullar

  87. Characterization and Microwave Dielectric Properties of M2+Nb2O6 Ceramics

    Article • Journal of the American Ceramic Society, September 2005, Wiley

    Dr Robert C Pullar

  88. Effect of Doping on the Dielectric Properties of Cerium Oxide in the Microwave and Far‐Infrared Frequency Range

    Article • Journal of the American Ceramic Society, July 2004, Wiley

    Professor Mailadil Thomas Sebastian, Prof. Mailadil T SEBASTIAN, Dr Robert C Pullar, Dr. Jan Petzelt, Professor Mohanan Pezholil

  89. Relationship between microwave and lattice vibration properties in Ba(Zn 1/3 Nb 2/3 )O 3 -based microwave dielectric ceramics

    Article • Journal of Physics D Applied Physics, July 2004, Institute of Physics Publishing

    Dr Robert C Pullar, Dr. Jan Petzelt

  90. Structure-Property Relations inxBaTiO3-(1−x)La(Mg1/2Ti1/2)O3Solid Solutions

    Article • Journal of the American Ceramic Society, April 2004, Wiley

    Dr Robert C Pullar

  91. The effects of sintering aids upon dielectric microwave properties of columbite niobates, M 2+ Nb 2 O 6

    Article • Journal of Physics D Applied Physics, January 2004, Institute of Physics Publishing

    Dr Robert C Pullar

  92. Sintering Behaviour of BaxSr1-xTiO3

    Article • Integrated Ferroelectrics, January 2004, Taylor & Francis

    Dr Robert C Pullar

  93. Effect of Sintering Aids upon Dielectric Microwave Properties of ZnNb2O6, CoNb2O6, MgNb2O6 and CaNb2O6 Columbite Niobates

    Article • Key Engineering Materials, January 2004, Trans Tech Publications

    Dr Robert C Pullar

  94. Structure and microwave dielectric properties of La(Mg0.5Ti0.5)O3–CaTiO3 system

    Article • Journal of the European Ceramic Society, January 2003, Elsevier

    Dr Robert C Pullar

  95. Temperature compensated niobate microwave ceramics with the columbite structure, M2+Nb2O6

    Article • Journal of the European Ceramic Society, January 2003, Elsevier

    Dr Robert C Pullar

  96. Crystallisation of hexagonal M ferrites from a stoichiometric sol–gel precursor, without formation of the α-BaFe2O4 intermediate phase

    Article • Materials Letters, December 2002, Elsevier

    Dr Robert C Pullar

  97. A halide free route to the manufacture of microstructurally improved M ferrite (BaFe12O19 and SrFe12O19) fibres

    Article • Journal of the European Ceramic Society, November 2002, Elsevier

    Dr Robert C Pullar

  98. Microwave Dielectric Properties of Columbite-Structure Niobate Ceramics, M2+Nb2O6

    Article • Key Engineering Materials, January 2002, Trans Tech Publications

    Dr Robert C Pullar

  99. Decomposition, shrinkage and evolution with temperature of aligned hexagonal ferrite fibres

    Article • Acta Materialia, December 2001, Elsevier

    Dr Robert C Pullar

  100. Halide removal from BaM (BaFe12O19) and SrM (SrFe12O19) ferrite fibers via a steaming process

    Article • Journal of Materials Research, November 2001, Cambridge University Press

    Dr Robert C Pullar

  101. Magnetic properties of nanocrystalline CoFe2O4 powders prepared at room temperature: variation with crystallite size

    Article • Journal of Magnetism and Magnetic Materials, June 2001, Elsevier

    Dr Robert C Pullar

  102. The synthesis and characterization of the hexagonal Z ferrite, Sr3Co2Fe24O41, from a sol-gel precursor

    Article • Materials Research Bulletin, May 2001, Elsevier

    Dr Robert C Pullar

  103. The manufacture of partially-stabilised and fully-stabilised zirconia fibres blow spun from an alkoxide derived aqueous sol–gel precursor

    Article • Journal of the European Ceramic Society, January 2001, Elsevier

    Dr Robert C Pullar

  104. A method for the preparation of aligned fibre samples for magnetic measurement using VSM

    Article • Journal of Magnetism and Magnetic Materials, July 2000, Elsevier

    Dr Robert C Pullar

  105. The sintering behaviour, mechanical properties and creep resistance of aligned polycrystalline yttrium aluminium garnet (YAG) fibres, produced from an aqueous sol–Gel precursor

    Article • Journal of the European Ceramic Society, July 1999, Elsevier

    Dr Robert C Pullar

  106. Polycrystalline yttrium aluminium garnet (YAG) fibres produced from the steaming of an aqueous sol–gel precursor

    Article • Materials Letters, May 1999, Elsevier

    Dr Robert C Pullar

  107. The manufacture of yttrium aluminium garnet (YAG) fibres by blow spinning from a sol-gel precursor

    Article • Journal of the European Ceramic Society, November 1998, Elsevier

    Dr Robert C Pullar

  108. The manufacture, characterisation and microwave properties of aligned M ferrite fibres

    Article • Journal of Magnetism and Magnetic Materials, July 1998, Elsevier

    Dr Robert C Pullar

  109. The manufacture and characterisation of aligned fibres of the ferroxplana ferrites Co2Z, 0.67% CaO-doped Co2Z, Co2Y and Co2W

    Article • Journal of Magnetism and Magnetic Materials, July 1998, Elsevier

    Dr Robert C Pullar