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Variability of Cu 2 ZnSnS 4 nanoparticle hot injection synthesis and modifications by thin film annealing (2023)
Journal Article
Stroh, K. P., Szablewski, M., & Halliday, D. P. (2023). Variability of Cu 2 ZnSnS 4 nanoparticle hot injection synthesis and modifications by thin film annealing. Materials Advances, https://doi.org/10.1039/d3ma00396e

As a quaternary semiconductor with a direct energy bandgap of around 1.4 eV, Cu2ZnSnS4 is a promising candidate for absorber layers in next generation thin-film solar PV devices. It has the advantage of being based on low cost earth-abundant elements... Read More about Variability of Cu 2 ZnSnS 4 nanoparticle hot injection synthesis and modifications by thin film annealing.

Driving a Molecular Spin-Peierls System into a Short Range Ordered State through Chemical Substitution (2023)
Journal Article
Berlie, A., Terry, I., & Szablewski, M. (2023). Driving a Molecular Spin-Peierls System into a Short Range Ordered State through Chemical Substitution. Magnetochemistry, 9(6), Article 150. https://doi.org/10.3390/magnetochemistry9060150

Chemically altering molecules can have dramatic effects on the physical properties of a series of very similar molecular compounds. A good example of this is within the quasi-1D spin-Peierls system potassium TCNQ (TCNQ = 7,7,8,8-tetracyanoqunidimetha... Read More about Driving a Molecular Spin-Peierls System into a Short Range Ordered State through Chemical Substitution.

Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface? (2022)
Journal Article
Szablewski, M., Thompson, R. L., & Pålsson, L. (2022). Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface?. Molecules, 27(12), Article 3893. https://doi.org/10.3390/molecules27123893

Novel fluorescent Langmuir-Blodgett (LB) films have been constructed from three different amphiphilic dicynaoquinodimethanes (DADQs). The DADQs varied in functional group structure, which had an impact on the LB film structure and the fluorescence pr... Read More about Modulated Fluorescence in LB Films Based on DADQs—A Potential Sensing Surface?.

A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2 (2022)
Journal Article
Berlie, A., Terry, I., Szablewski, M., Telling, M., Apperley, D., Hodgkinson, P., & Zeller, D. (2022). A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2. Physical Chemistry Chemical Physics, 24(12), 7481-7492. https://doi.org/10.1039/d2cp00142j

With rising interest in organic-based functional materials, it is important to understand the nature of magnetic and electrical transitions within these types of systems. One intriguing material is triethylammonium bis-7,7,8,8-tetracyanoquinodimethan... Read More about A study of the dynamics and structure of the dielectric anomaly within the molecular solid TEA(TCNQ)2.

No evidence for room temperature ferromagnetism in the high temperature metal-organic material: Ni2TCNQ (2020)
Journal Article
Berlie, A., Terry, I., Szablewski, M., & Quinn, K. (2020). No evidence for room temperature ferromagnetism in the high temperature metal-organic material: Ni2TCNQ. Journal of Physics: Condensed Matter, 33(6), https://doi.org/10.1088/1361-648x/abb545

The search for ferromagnetic organic-based compounds has been a particular challenge to both chemists and physicists over the past few decades. The synthesis of the Ni2A, where A is an organic acceptor; tetracyanoethene (TCNE), 3-dichloro-5,6-dicyano... Read More about No evidence for room temperature ferromagnetism in the high temperature metal-organic material: Ni2TCNQ.

A 3D antiferromagnetic ground state in a quasi-1D π-stacked charge-transfer system (2018)
Journal Article
Berlie, A., Terry, I., & Szablewski, M. (2018). A 3D antiferromagnetic ground state in a quasi-1D π-stacked charge-transfer system. Journal of Materials Chemistry C Materials for optical and electronic devices, 6(46), 12468-12472. https://doi.org/10.1039/c8tc03709d

With the rising interest in organic based materials for spintronic and multiferroic applications it is important to fully understand their electrical and magnetic properties and to identify correlations between their structural and physical attribute... Read More about A 3D antiferromagnetic ground state in a quasi-1D π-stacked charge-transfer system.

A collapse of ferromagnetism in an organic based magnet under pressure (2017)
Journal Article
Berlie, A., Terry, I., Szablewski, M., Xiao, F., & Williams, R. C. (2017). A collapse of ferromagnetism in an organic based magnet under pressure. Materials Research Express, 4(2), Article 026103. https://doi.org/10.1088/2053-1591/aa5b50

The metal-organic charge transfer compound NiTCNQ2 has been subjected to pressure where both magnetisation and muon experiments show a suppression of T C with an applied pressure. At 12 kbar, it appears that the sample is paramagnetic and this gives... Read More about A collapse of ferromagnetism in an organic based magnet under pressure.

Magnetic ordering of defects in a molecular spin-Peierls system (2016)
Journal Article
Berlie, A., Terry, I., Cottrell, S., Pratt, F., & Szablewski, M. (2017). Magnetic ordering of defects in a molecular spin-Peierls system. Journal of Physics: Condensed Matter, 29(2), Article 025809. https://doi.org/10.1088/0953-8984/29/2/025809

With interest in charge transfer compounds growing steadily, it is important to understand all aspects of the underlying physics of these systems, including the properties of the defects and interfaces that are universally present in actual experimen... Read More about Magnetic ordering of defects in a molecular spin-Peierls system.

Dipolar Glass and Magneto-Electric Coupling Within a π-stacked Organic system (2016)
Journal Article
Berlie, A., Terry, I., Liu, Y., & Szablewski, M. (2016). Dipolar Glass and Magneto-Electric Coupling Within a π-stacked Organic system. Journal of Materials Chemistry C Materials for optical and electronic devices, 4, 6090-6095. https://doi.org/10.1039/c6tc01538g

There is much interest in the search for novel materials that show ferroelectric as well as magneto-electric coupling, such as that observed in multiferroics. Within organic based materials the electronic polarisation can originate from a charge dist... Read More about Dipolar Glass and Magneto-Electric Coupling Within a π-stacked Organic system.

An Investigation into the Role of Capping on Second Harmonic Generation from Nonlinear Organic Polymer and Guest-Host Thin Films by In-Situ Poling (2016)
Journal Article
Ushasree, P., & Szablewski, M. (2016). An Investigation into the Role of Capping on Second Harmonic Generation from Nonlinear Organic Polymer and Guest-Host Thin Films by In-Situ Poling. Optics and Photonics Journal, 6(5), 101-111. https://doi.org/10.4236/opj.2016.65013

In attempts to fabricate thermally stable second-order nonlinear polymer thin films, we have investigated the second harmonic generation (SHG) from both nonlinear polymer and guest-host thin films. We have also investigated the role of capping on the... Read More about An Investigation into the Role of Capping on Second Harmonic Generation from Nonlinear Organic Polymer and Guest-Host Thin Films by In-Situ Poling.

Tuneability and criticality in a three-dimensional stacked molecular system (2016)
Journal Article
Berlie, A., Terry, I., Szablewski, M., & Giblin, S. (2016). Tuneability and criticality in a three-dimensional stacked molecular system. Physical Review B, 93(5), Article 054422. https://doi.org/10.1103/physrevb.93.054422

With the changing of physical properties through chemical substitution in mind, this work shows the applicability of this approach to organic based spin-Peierls (SP) systems. To demonstrate this we have used a well known system, potassium TCNQ, that... Read More about Tuneability and criticality in a three-dimensional stacked molecular system.

Separating the ferromagnetic and glassy behavior within the metal-organic magnet Ni(TCNQ)2 (2015)
Journal Article
Berlie, A., Terry, I., Szablewski, M., & Giblin, S. (2015). Separating the ferromagnetic and glassy behavior within the metal-organic magnet Ni(TCNQ)2. Physical review B, 92(18), Article 184431. https://doi.org/10.1103/physrevb.92.184431

An in-depth study of the metal-organic magnet Ni(TCNQ)2 was conducted where the deuterated form was synthesised both to attempt to alter the magnetic properties of the material and to be advantageous in techniques such as neutron scattering and muon... Read More about Separating the ferromagnetic and glassy behavior within the metal-organic magnet Ni(TCNQ)2.

Tactile sensing in human–computer interfaces: The inclusion of pressure sensitivity as a third dimension of user input (2015)
Journal Article
Dempsey, S. J., Szablewski, M., & Atkinson, D. (2015). Tactile sensing in human–computer interfaces: The inclusion of pressure sensitivity as a third dimension of user input. Sensors and Actuators A: Physical, 232, 229-250. https://doi.org/10.1016/j.sna.2015.05.025

This paper presents a review of tactile technologies for human–computer interactivity via touch interfaces, where touch force is measured as a third dimension of user input along with touch location. Until recently, tactile technologies for computing... Read More about Tactile sensing in human–computer interfaces: The inclusion of pressure sensitivity as a third dimension of user input.

Printable, Transparent Force Sensing Resistive Materials for Touchscreen Applications (2015)
Journal Article
Dempsey, S., Szablewski, M., Bloor, D., & Atkinson, D. (2015). Printable, Transparent Force Sensing Resistive Materials for Touchscreen Applications. Key Engineering Materials, 120-124. https://doi.org/10.4028/www.scientific.net/kem.644.120

A transparent, force sensing resistive ink suitable for touchscreen technology is presented, which is capable of detecting both touch location and the applied force. The force sensing behavior is realized by a screen-printed ink layer which consists... Read More about Printable, Transparent Force Sensing Resistive Materials for Touchscreen Applications.

Temperature Dependence of Electrical Transport in a Pressure-Sensitive Nanocomposite (2014)
Journal Article
Webb, A. J., Bloor, D., Szablewski, M., & Atkinson, D. (2014). Temperature Dependence of Electrical Transport in a Pressure-Sensitive Nanocomposite. ACS Applied Materials and Interfaces, 6(15), 12573-12580. https://doi.org/10.1021/am502515u

Printed nanocomposites are of significant application potential in numerous technologies, such as touch-sensitive sensors and surfaces. Here, temperature dependent electrical transport measurements were undertaken on a recently developed screen-print... Read More about Temperature Dependence of Electrical Transport in a Pressure-Sensitive Nanocomposite.

Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs) (2014)
Journal Article
Szablewski, M., Fox, M., Dias, F., Namih, H., Snedden, E., King, S., …Pålsson, L. (2014). Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs). Journal of Physical Chemistry B (Soft Condensed Matter and Biophysical Chemistry), 118(24), 6815-6828. https://doi.org/10.1021/jp411358d

Three diaminodicyanoquinodimethanes, 4-(R1R2C)-1-[(NC)2C]-C6H4 (R1,R2 = H2N, 1; R1 = 3,5-Me2-4-OCH4H6N–, R2 = H2N, 2; R1 = 3,5-Me2-4-OCH4H6N–, R2 = 4-Me-C5H9N, 3), were investigated using carbon-13 NMR, steady-state, and ultrafast transient absorptio... Read More about Ultrafast Dynamics and Computational Studies on Diaminodicyanoquinodimethanes (DADQs).

Controlling nickel nanoparticle size in an organic/metal-organic matrix through the use of different solvents (2013)
Journal Article
Berlie, A., Terry, I., & Szablewski, M. (2013). Controlling nickel nanoparticle size in an organic/metal-organic matrix through the use of different solvents. Nanoscale, 5(24), 12212-12223. https://doi.org/10.1039/c3nr04883g

Nickel nanoparticles have been created in an organic-based matrix by the reaction of Ni(COD)2 (COD = 1,5-bis-cyclooctadiene) and 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (TCNQF4). The size of the nickel nanoparticles can be controlled by... Read More about Controlling nickel nanoparticle size in an organic/metal-organic matrix through the use of different solvents.

A Magnetic Study of Low Moment Nickel Clusters Formed from the Solid-State Decomposition Reaction of Nickel bis-1,5-Cyclooctadiene (2013)
Journal Article
Berlie, A., Terry, I., & Szablewski, M. (2013). A Magnetic Study of Low Moment Nickel Clusters Formed from the Solid-State Decomposition Reaction of Nickel bis-1,5-Cyclooctadiene. Journal of Cluster Science, 24(4), 1057-1066. https://doi.org/10.1007/s10876-013-0597-9

Variable temperature SQUID magnetometry measurements were made on a sample of commercially available nickel bis-1,5-cyclooctadiene (Ni(COD)2) is reported. The material is shown to be a mixed phase magnetic system where the Ni(COD)2 behaves as a diama... Read More about A Magnetic Study of Low Moment Nickel Clusters Formed from the Solid-State Decomposition Reaction of Nickel bis-1,5-Cyclooctadiene.

A novel screen-printed multi-component nanocomposite ink with a pressure sensitive electrical resistance functionality (2013)
Presentation / Conference Contribution
Webb, A., Dempsey, S., Bloor, D., Graham, A., Laughlin, P., Lussey, D., …Atkinson, D. (2013). A novel screen-printed multi-component nanocomposite ink with a pressure sensitive electrical resistance functionality. In Nanotechnology (IEEE-NANO), 2013 13th IEEE conference on (671-674). https://doi.org/10.1109/nano.2013.6720832

Here, a novel functional ink is described that is composed of multiple nanoscale components and exhibits pronounced touch pressure sensitive electrical properties ideal for applications in switching, sensing and touch sensitive surfaces. The ink can... Read More about A novel screen-printed multi-component nanocomposite ink with a pressure sensitive electrical resistance functionality.