Search Results - "Rayson, J"

Predicting experimentally stable allotropes: Instability of penta-graphene by Ewels, Christopher P., Rocquefelte, Xavier, Kroto, Harold W., Rayson, Mark J., Briddon, Patrick R., Heggie, Malcolm I.

“…In recent years, a plethora of theoretical carbon allotropes have been proposed, none of which has been experimentally isolated. We discuss here criteria that…”
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Low-energy termination of graphene edges via the formation of narrow nanotubes by Ivanovskaya, Viktoria V, Zobelli, Alberto, Wagner, Philipp, Heggie, Malcolm I, Briddon, Patrick R, Rayson, Mark J, Ewels, Chris P

“…We demonstrate that free graphene sheet edges can curl back on themselves, reconstructing as nanotubes. This results in lower formation energies than any other…”
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Adaptive and specialised transcriptional responses to xenobiotic stress in Caenorhabditis elegans are regulated by nuclear hormone receptors by Jones, Laura M, Rayson, Samantha J, Flemming, Anthony J, Urwin, Peter E

“…Characterisation of the pathways by which xenobiotics are metabolised and excreted in both target and non-target organisms is crucial for the rational design…”
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Unexpected change in the electron affinity of diamond caused by the ultra-thin transition metal oxide films by Tiwari, Amit K., Goss, J. P., Briddon, P. R., Horsfall, A. B., Wright, N. G., Jones, R., Rayson, M. J.

“…The energetics and electronic properties of oxides of selected transition metals (Cu, Ni, Ti and Zn) adsorbed onto a diamond (001) surface are examined using…”
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Di-nitrogen-vacancy-hydrogen defects in diamond: a computational study by Peaker, C. V., Goss, J. P., Briddon, P. R., Horsfall, A. B., Rayson, M. J.

“…Density functional theory was used to determine selected experimentally observable properties of the N2VH and N2VH2 point defects in diamond. We report that…”
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Oxytocin Receptor Activity in the Ventrocaudal Periaqueductal Gray Modulates Anxiety-Related Behavior in Postpartum Rats by Figueira, Rayson J, Peabody, Mitchell F, Lonstein, Joseph S

“…Postpartum rats are less anxious than diestrous virgin females, a phenomenon requiring that mothers have recent contact with their infants. Oxytocin (OT) is…”
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Resonant Electronic Coupling Enabled by Small Molecules in Nanocrystal Solids by Pereira, Rui N, Coutinho, José, Niesar, Sabrina, Oliveira, Tiago A, Aigner, Willi, Wiggers, Hartmut, Rayson, Mark J, Briddon, Patrick R, Brandt, Martin S, Stutzmann, Martin

“…The future exploitation of the exceptional properties of nanocrystal (NC) thin films deposited from liquid dispersions of nanoparticles relies upon our ability…”
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Vacancy-impurity complexes and limitations for implantation doping of diamond by Goss, J. P., Briddon, P. R., Rayson, M. J., Sque, S. J., Jones, R.

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Electronic and dynamical properties of the silicon trivacancy by Coutinho, J., Markevich, V. P., Peaker, A. R., Hamilton, B., Lastovskii, S. B., Murin, L. I., Svensson, B. J., Rayson, M. J., Briddon, P. R.

“…The trivacancy (V sub(3)) in silicon has been recently shown to be a bistable center in the neutral charge state, with a fourfold-coordinated configuration, V…”
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Electronic and structural properties of diamond (001) surfaces terminated by selected transition metals by Tiwari, Amit K., Goss, J. P., Briddon, P. R., Wright, Nick G., Horsfall, Alton B., Rayson, M. J.

“…The presence of adsorbate species on diamond surfaces, even in small concentrations, strongly influences electrical, chemical, and structural properties…”
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Adolescent gain in positive valence of a socially relevant stimulus: engagement of the mesocorticolimbic reward circuitry by Bell, Margaret R., De Lorme, Kayla C., Figueira, Rayson J., Kashy, Deborah A., Sisk, Cheryl L.

“…A successful transition from childhood to adulthood requires adolescent maturation of social information processing. The neurobiological underpinnings of this…”
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P-doping of Si nanoparticles: The effect of oxidation by Carvalho, Alexandra, Öberg, Sven, Barroso, Manuel, Rayson, Mark J., Briddon, Patrick

“…The radial dependence of the formation energy of substitutional phosphorus in silicon nanoparticles covered by an amorphous oxide shell is analysed using local…”
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Electronic properties, doping, and defects in chlorinated silicon nanocrystals by Carvalho, A., Öberg, S., Rayson, M. J., Briddon, P. R.

“…Silicon nanocrystals with diameters between 1 and 3 nm and surfaces passivated by chlorine or a mixture of chlorine and hydrogen were modeled using density…”
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Light induced degradation in B doped Cz-Si solar cells by Carvalho, Alexandra, Santos, Paulo, Coutinho, José, Jones, Robert, Rayson, Mark J., Briddon, Patrick R.

“…We analyse the formation energy of interstitial boron (Bi) and the properties of the defect resulting from its association with an oxygen dimer (BiO2i) to…”
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Calculated electron affinity and stability of halogen-terminated diamond by Tiwari, Amit K., Goss, J. P., Briddon, P. R., Wright, Nick G., Horsfall, Alton B., Jones, R., Pinto, H., Rayson, M. J.

“…The chemical termination of diamond has a dramatic impact on its electrical and chemical properties, where hydrogen and oxygen termination produce negative and…”
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The vacancy-hydrogen defect in diamond: A computational study by Peaker, C. V., Goss, J. P., Briddon, P. R., Horsfall, A. B., Rayson, M. J.

“…Hydrogen is grown into CVD diamond and occurs in point defects also involving a lattice vacancy, V. Complexes involving V, H and nitrogen, or silicon have been…”
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Identification of the structure of the 3107 cm(-1) H-related defect in diamond by Goss, J P, Briddon, P R, Hill, V, Jones, R, Rayson, M J

“…A prominent hydrogen-related infrared absorption peak seen in many types of diamonds at 3107 cm(-1) has been the subject of investigation for many years. It is…”
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Hyperfine interactions at nitrogen interstitial defects in diamond by Atumi, M K, Goss, J P, Briddon, P R, Shrif, F E, Rayson, M J

“…Diamond has many extreme physical properties and it can be used in a wide range of applications. In particular it is a highly effective particle detection…”
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Importance of quantum tunneling in vacancy-hydrogen complexes in diamond by SHAW, M. J, BRIDDON, P. R, GOSS, J. P, RAYSON, M. J, KERRIDGE, A, HARKER, A. H, STONEHAM, A. M

“…Our ab initio calculations of the hyperfine parameters for negatively charged vacancy-hydrogen and nitrogen-vacancy-hydrogen complexes in diamond compare…”
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First-principles investigation of carbon substitution for lead in ferroelectric lead titanate by Al-hadidi, Meaad, Goss, J. P., Briddon, P. R., Al-hamadany, Raied, Ahmed, Mariam, Rayson, M. J.

“…Lead titanate, a room-temperature ferroelectric, dielectric material, is of great interest for technological applications. Defects play an important role upon…”
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