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Self-assembly and tiling of a prochiral hydrogen-bonded network: bi-isonicotinic acid on coinage metal surfaces (2023)
Journal Article
Allen, A., Abdur Rashid, M., Rahe, P., Jarvis, S. P., O'Shea, J. N., Dunn, J. L., & Moriarty, P. (2023). Self-assembly and tiling of a prochiral hydrogen-bonded network: bi-isonicotinic acid on coinage metal surfaces. Molecular Physics, 121(7-8), Article e2192824. https://doi.org/10.1080/00268976.2023.2192824

Submolecular resolution scanning tunnelling microscopy and qPlus atomic force microscopy reveal that, close to thermal equilibrium, bi-isonicotinic acid (4,4'-COOH-2,2'-bpy) assembles into extended molecular rows on both Au(111) and Ag(100) surfaces,... Read More about Self-assembly and tiling of a prochiral hydrogen-bonded network: bi-isonicotinic acid on coinage metal surfaces.

Cyclic Single Atom Vertical Manipulation on a Nonmetallic Surface (2021)
Journal Article
Abbasi-Pérez, D., Sang, H., Junqueira, F. L. Q., Sweetman, A., Recio, J. M., Moriarty, P., & Kantorovich, L. (2021). Cyclic Single Atom Vertical Manipulation on a Nonmetallic Surface. Journal of Physical Chemistry Letters, 12(46), 11383-11390. https://doi.org/10.1021/acs.jpclett.1c02271

Motivated by the quest for experimental procedures capable of controlled manipulation of single atoms on surfaces, we set up a computational strategy that explores the cyclical vertical manipulation of a broad set of single atoms on the GaAs(110) sur... Read More about Cyclic Single Atom Vertical Manipulation on a Nonmetallic Surface.

Origin of C60 surface reconstruction resolved by atomic force microscopy (2021)
Journal Article
Forcieri, L., Taylor, S., Moriarty, P., & Jarvis, S. P. (2021). Origin of C60 surface reconstruction resolved by atomic force microscopy. Physical Review B, 104(20), Article 205428. https://doi.org/10.1103/PhysRevB.104.205428

Surface adsorption of C60 affects its chemical and electronic properties. Numerous studies have reported observation of bright and dark fullerenes on metal surfaces that suggest extensive surface reconstruction; however, the underpinning mechanism of... Read More about Origin of C60 surface reconstruction resolved by atomic force microscopy.

Chemical shielding of H2O and HF encapsulated inside a C60 cage (2021)
Journal Article
Jarvis, S. P., Sang, H., Junqueira, F., Gordon, O., Hodgkinson, J. E. A., Saywell, A., …Jones, R. G. (2021). Chemical shielding of H2O and HF encapsulated inside a C60 cage. Communications Chemistry, 4(1), Article 135. https://doi.org/10.1038/s42004-021-00569-0

Molecular surgery provides the opportunity to study relatively large molecules encapsulated within a fullerene cage. Here we determine the location of an H2O molecule isolated within an adsorbed buckminsterfullerene cage, and compare this to the intr... Read More about Chemical shielding of H2O and HF encapsulated inside a C60 cage.

Gender issues in fundamental physics: Strumia’s bibliometric analysis fails to account for key confounders and confuses correlation with causation (2021)
Journal Article
Ball, P., Britton, T. B., Hengel, E., Moriarty, P., Oliver, R. A., Rippon, G., …Wade, J. (2021). Gender issues in fundamental physics: Strumia’s bibliometric analysis fails to account for key confounders and confuses correlation with causation. Quantitative Science Studies, 2(1), 263-272. https://doi.org/10.1162/qss_a_00117

Alessandro Strumia recently published a survey of gender differences in publications and citations in high-energy physics (HEP). In addition to providing full access to the data, code, and methodology, Strumia (2020) systematically describes and acco... Read More about Gender issues in fundamental physics: Strumia’s bibliometric analysis fails to account for key confounders and confuses correlation with causation.

A LEGO TM Dynamic Force "Macroscope" (2020)
Journal Article
Taylor, D., Smaje, . H., & Moriarty, P. (2020). A LEGO TM Dynamic Force "Macroscope". American Journal of Physics, 88(11), Article 906. https://doi.org/10.1119/10.0001700

We describe the design, construction, and operation of a LEGO TM model of a dynamic force microscope, using magnetic forces as an analog of interatomic interactions. The "macroscope" provides key insights into the operating principles of frequency mo... Read More about A LEGO TM Dynamic Force "Macroscope".

Automated Searching and Identification of Self-Organized Nanostructures (2020)
Journal Article
Gordon, O. M., Hodgkinson, J. E. A., Farley, S. M., Hunsicker, E. L., & Moriarty, P. J. (2020). Automated Searching and Identification of Self-Organized Nanostructures. Nano Letters, 20(10), 7688-7693. https://doi.org/10.1021/acs.nanolett.0c03213

Currently, researchers spend significant time manually searching through large volumes of data produced during scanning probe imaging to identify specific patterns and motifs formed via self-assembly and self-organization. Here, we use a combination... Read More about Automated Searching and Identification of Self-Organized Nanostructures.

Automated extraction of single H atoms with STM: tip state dependency (2017)
Journal Article
Møller, M., Jarvis, S. P., Guérinet, L., Sharp, P., Woolley, R., Rahe, P., & Moriarty, P. (in press). Automated extraction of single H atoms with STM: tip state dependency. Nanotechnology, 28(7), https://doi.org/10.1088/1361-6528/28/7/075302

The atomistic structure of the tip apex plays a crucial role in performing reliable atomic-scale surface and adsorbate manipulation using scanning probe techniques. We have developed an automated extraction routine for controlled removal of single hy... Read More about Automated extraction of single H atoms with STM: tip state dependency.

A combined Monte Carlo and Hückel theory simulation of orientational ordering in C60 assemblies (2016)
Journal Article
Leaf, J., Stannard, A., Jarvis, S. P., Moriarty, P., & Dunn, J. L. (2016). A combined Monte Carlo and Hückel theory simulation of orientational ordering in C60 assemblies. Journal of Physical Chemistry C, 120(15), https://doi.org/10.1021/acs.jpcc.6b00638

Orientational ordering of C60 molecules within monolayer and multilayer islands is a regularly observed phenomenon in scanning tunnelling microscopy (STM) studies. Here we simulate the orientational ordering seen in STM images via a novel combination... Read More about A combined Monte Carlo and Hückel theory simulation of orientational ordering in C60 assemblies.

Physisorption controls the conformation and density of states of an adsorbed porphyrin (2015)
Journal Article
Jarvis, S. P., Taylor, S., Baran, J. D., Thompson, D., Saywell, A., Mangham, B., …Moriarty, P. (2015). Physisorption controls the conformation and density of states of an adsorbed porphyrin. Journal of Physical Chemistry C, 119(50), 27982-27994. https://doi.org/10.1021/acs.jpcc.5b08350

Conformational changes caused by adsorption can dramatically affect a molecule’s properties. Despite extensive study, however, the exact mechanisms underpinning conformational switching are often unclear. Here we show that the conformation of a proto... Read More about Physisorption controls the conformation and density of states of an adsorbed porphyrin.

Measuring the mechanical properties of molecular conformers (2015)
Journal Article
Jarvis, S. P., Taylor, S., Baran, J., Champness, N. R., Larsson, J., & Moriarty, P. (2015). Measuring the mechanical properties of molecular conformers. Nature Communications, 6(8338), https://doi.org/10.1038/ncomms9338

Scanning probe-actuated single molecule manipulation has proven to be an exceptionally powerful tool for the systematic atomic-scale interrogation of molecular adsorbates. To date, however, the extent to which molecular conformation affects the force... Read More about Measuring the mechanical properties of molecular conformers.

Mapping the force field of a hydrogen-bonded assembly (2014)
Journal Article
Sweetman, A., Jarvis, S. P., Sang, H., Lekkas, I., Rahe, P., Wang, Y., …Moriarty, P. (2020). Mapping the force field of a hydrogen-bonded assembly. Nature Communications, 5, Article 3931. https://doi.org/10.1038/ncomms4931

Hydrogen bonding underpins the properties of a vast array of systems spanning a wide variety of scientific fields. From the elegance of base pair interactions in DNA to the symmetry of extended supramolecular assemblies, hydrogen bonds play an essent... Read More about Mapping the force field of a hydrogen-bonded assembly.

Scanning probe image wizard: a toolbox for automated scanning probe microscopy data analysis (2013)
Journal Article
Stirling, J., Woolley, R., & Moriarty, P. (2013). Scanning probe image wizard: a toolbox for automated scanning probe microscopy data analysis. Review of Scientific Instruments, 84(113701), Article 113701. https://doi.org/10.1063/1.4827076

We describe SPIW (scanning probe image wizard), a new image processing toolbox for SPM (scanning probe microscope) images. SPIW can be used to automate many aspects of SPM data analysis, even for images with surface contamination and step edges prese... Read More about Scanning probe image wizard: a toolbox for automated scanning probe microscopy data analysis.

Fingering Instabilities in Dewetting Nanofluids (2008)
Journal Article
Pauliac-Vaujour, E., Stannard, A., Martin, C., Blunt, M., Notingher, I., Moriarty, P., …Thiele, U. (2008). Fingering Instabilities in Dewetting Nanofluids. Physical Review Letters, 100,

The growth of fingering patterns in dewetting nanofluids (colloidal solutions of thiol-passivated gold nanoparticles) has been followed in real time using contrast-enhanced video microscopy. The fingering instability on which we focus here arises fro... Read More about Fingering Instabilities in Dewetting Nanofluids.

Anisotropic Assembly of Colloidal Nanoparticles: Exploiting Substrate Crystallinity (2007)
Journal Article
Hayton, J., Pauliac-Vaujour, E., & Moriarty, P. (2007). Anisotropic Assembly of Colloidal Nanoparticles: Exploiting Substrate Crystallinity. NANO, 2(6), https://doi.org/10.1142/S1793292007000714

We show that the crystal structure of a substrate can be exploited to drive the anisotropic assembly of colloidal nanoparticles. Pentanethiol-passivated Au particles of approximately 2 nm diameter deposited from toluene onto hydrogen-passivated Si(11... Read More about Anisotropic Assembly of Colloidal Nanoparticles: Exploiting Substrate Crystallinity.

Controlling Pattern Formation in Nanoparticle Assemblies via Directed Solvent Dewetting (2007)
Journal Article
Martin, C., Blunt, M., Pauliac-Vaujour, E., Stannard, A., Moriarty, P., Vancea, I., & Thiele, U. (2007). Controlling Pattern Formation in Nanoparticle Assemblies via Directed Solvent Dewetting. Physical Review Letters, 99,

We have achieved highly localised control of pattern formation in two dimensional nanoparticle assemblies by direct modification of solvent dewetting dynamics. A striking dependence of nanoparticle organisation on the size of atomic force microscope-... Read More about Controlling Pattern Formation in Nanoparticle Assemblies via Directed Solvent Dewetting.

Nanotechnology: radical new science or plus ça change? (2005)
Journal Article
Moriarty, P. (2005). Nanotechnology: radical new science or plus ça change?. Nanotechnology Perceptions, 1,

Is a radical nanotechnology involving the construction of macroscopic products via software-directed manipulation of single molecules possible? Are we only a few decades away from a technological utopia where virtually any product may be constructed... Read More about Nanotechnology: radical new science or plus ça change?.