All Outputs (22)

From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production (2024)
Journal Article

Hydrogen is considered to be the key element to achieving climate neutrality, leading to a massive demand for electrocatalysts. This work explores the transformation of metal waste into active and stable electrode materials for water splitting by mod... Read More about From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production.

Recent enterprises in high-rate monolithic photo-electrochemical energy harvest and storage devices (2023)
Journal Article

Solar energy is set to play a major role in decarbonising the economy and creating a zero-emissions future. However, there is a need to store this abundant energy and, in many instances, supply that energy at a high rate. With large expense and effic... Read More about Recent enterprises in high-rate monolithic photo-electrochemical energy harvest and storage devices.

Membrane stretching based creep damage analytical solutions for thin disc small punch problem (2022)
Journal Article

The small punch creep test (SPCT) presents a novel miniaturized testing technique popularly used to characterise creep and damage properties of high-temperature materials. Due to the complex non-linear deformation behaviour in the SPCT, a mechanistic... Read More about Membrane stretching based creep damage analytical solutions for thin disc small punch problem.

Supramolecular Proton Conductors Self-Assembled by Organic Cages (2022)
Journal Article

Proton conduction is vital for living systems to execute various physiological activities. The understanding of its mechanism is also essential for the development of state-of-the-art applications, including fuel-cell technology. We herein present a... Read More about Supramolecular Proton Conductors Self-Assembled by Organic Cages.

Requirements for and Challenges in Developing Improved Creep Ductility-based Constitutive Models for Tempered Martensitic CSEF Steels (2022)
Journal Article

Creep fracture behaviour of tempered martensitic steels is generally governed by the process of cavity nucleation, growth and coalescence into microcracks. Therefore, creep ductility, which can be treated as material resistance to damage, has a criti... Read More about Requirements for and Challenges in Developing Improved Creep Ductility-based Constitutive Models for Tempered Martensitic CSEF Steels.

A miniaturized thin-plate low cycle fatigue test method at elevated temperature (2022)
Journal Article

This study aims to develop a high-temperature low cycle fatigue test method using a nonstandard miniature thin-plate specimen in order to characterize the cyclic viscoplasticity behavior of a component material. For demonstration, fully reversed stra... Read More about A miniaturized thin-plate low cycle fatigue test method at elevated temperature.

Large-scale genomic analysis reveals the genetic cost of chicken domestication (2021)
Journal Article

Background: Species domestication is generally characterized by the exploitation of high-impact mutations through processes that involve complex shifting demographics of domesticated species. These include not only inbreeding and artificial selection... Read More about Large-scale genomic analysis reveals the genetic cost of chicken domestication.

Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions (2021)
Journal Article

This paper is concerned with the creep-damage modelling of a Grade 91 pressurised header, which was observed to undergo in-service cracking in the weldments. A multi-axial creep damage model of Kachanov type, with a single state damage variable, has... Read More about Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions.

Morphology and Defect Control of Metal Halide Perovskite Films for High-Performance Optoelectronics (2020)
Journal Article

Delicate morphology and defect control are crucial for high-performance optoelectronics. For metal halide perovskites, antisolvent precipitation is the most common process to realize the control and develop the state-of-art devices. However, the solu... Read More about Morphology and Defect Control of Metal Halide Perovskite Films for High-Performance Optoelectronics.

Assessment of potential service-life performance for MarBN steel power plant header under flexible thermomechanical operations (2020)
Journal Article

This paper is concerned with the service-life assessment of 9Cr steels superheater outlet steam header subjected to realistic subcritical and future ultra-super critical flexible operating conditions. The proposed methodology is achieved via a combin... Read More about Assessment of potential service-life performance for MarBN steel power plant header under flexible thermomechanical operations.

A CO2?Tolerant Perovskite Oxide with High Oxide Ion and Electronic Conductivity (2019)
Journal Article

Mixed ionic–electronic conductors (MIECs) that display high oxide ion conductivity (σo) and electronic conductivity (σe) constitute an important family of electrocatalysts for a variety of applications including fuel cells and oxygen separation membr... Read More about A CO2?Tolerant Perovskite Oxide with High Oxide Ion and Electronic Conductivity.

Modulating proton diffusion and conductivity in metal–organic frameworks by incorporation of accessible free carboxylic acid groups (2018)
Journal Article

Three multi-carboxylic acid functionalised ligands have been designed, synthesised and utilised to prepare the new barium-based MOFs, MFM-510, -511, and -512, which show excellent stability to water-vapour. MFM-510 and MFM-511 show moderate proton co... Read More about Modulating proton diffusion and conductivity in metal–organic frameworks by incorporation of accessible free carboxylic acid groups.

Cross-linked Ni(OH)<inf>2</inf>/CuCo<inf>2</inf>S<inf>4</inf>/Ni networks as binder-free electrodes for high performance supercapatteries (2018)
Journal Article

The heterogeneous Ni(OH)2/CuCo2S4/Ni electrode is constructed by appropriately adjusting the time-dependent hydrothermal and electrodeposition process. A hybrid device exhibits 39.7 W h kg-1 of specific energy and 365.3 W kg-1 of specific power, with... Read More about Cross-linked Ni(OH)<inf>2</inf>/CuCo<inf>2</inf>S<inf>4</inf>/Ni networks as binder-free electrodes for high performance supercapatteries.

The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics (2018)
Journal Article
Li, L., Li, M., & Sinclair, D. C. (in press). The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics. Applied Physics Letters, 112, https://doi.org/10.1063/1.5025275

The solid solution (KxNa0.50-x)Bi0.50TiO3 (KNBT) between Na1/2Bi1/2TiO3 (NBT) and K1/2Bi1/2TiO3 (KBT) has been extensively researched as a candidate lead-free piezoelectric material because of its relatively high Curie temperature and good piezoelect... Read More about The influence of excess K2O on the electrical properties of (K,Na)1/2Bi1/2TiO3 ceramics.

Defect chemistry and electrical properties of sodium bismuth titanate perovskite (2017)
Journal Article

The ferroelectric perovskite Na0.5Bi0.5TiO3, NBT, can exhibit three types of electrical behaviour, i.e. oxide-ion conduction (type I), mixed ionic–electronic conduction (type II) and insulating/dielectric (type III) based on various defect mechanisms... Read More about Defect chemistry and electrical properties of sodium bismuth titanate perovskite.

Mixed ionic-electronic conduction in K1/2Bi1/2TiO3 (2017)
Journal Article
Li, L., Li, M., Reaney, I. M., & Sinclair, D. C. (2017). Mixed ionic-electronic conduction in K1/2Bi1/2TiO3. Journal of Materials Chemistry C, 5(25), https://doi.org/10.1039/C7TC01786C

Recently, it has been reported that the Pb-free piezoelectric perovskite Na1/2Bi1/2TiO3 (NBT) can be compositionally tuned by close control of the A-site starting stoichiometry to exhibit high levels of oxide-ion conduction. The related K1/2Bi1/2TiO3... Read More about Mixed ionic-electronic conduction in K1/2Bi1/2TiO3.

Controlling mixed conductivity in Na1/2Bi1/2TiO3 using A-site non-stoichiometry and Nb donor-doping (2016)
Journal Article

Precise control of electronic and/or ionic conductivity in electroceramics is crucial to achieve the desired functional properties as well as to improve manufacturing practices. We recently reported the conventional piezoelectric material Na1/2Bi1/2T... Read More about Controlling mixed conductivity in Na1/2Bi1/2TiO3 using A-site non-stoichiometry and Nb donor-doping.

Proton Conduction in a Phosphonate-Based Metal–Organic Framework Mediated by Intrinsic “Free Diffusion inside a Sphere” (2016)
Journal Article

Donor-doping and reduced leakage current in Nb-doped Na0.5Bi0.5TiO3 (2015)
Journal Article

Low levels of so-called “donor-doping” in titanate-based perovskite oxides such as La for Ba, Sr, and Nb for Ti in (Ba, Sr)TiO3 can significantly reduce the resistivity of these typical (d0) dielectric materials and expand application areas to positi... Read More about Donor-doping and reduced leakage current in Nb-doped Na0.5Bi0.5TiO3.

Dramatic influence of A-Site nonstoichiometry on the electrical conductivity and conduction mechanisms in the perovskite oxide Na0.5Bi0.5TiO3 (2015)
Journal Article