Search Results - "Pyper N"

The density and pressure of helium nano-bubbles encapsulated in silicon.

Authors: Pyper, N. C. Thom, A. J. W. Whelan, Colm T.

Source: Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences. Jul2023, Vol. 479 Issue 2275, p1-14. 14p.

Subjects: Transmission electron microscopes, Electronic excitation, Helium, Scanning electron microscopes, Silicon, Equations of state, Helium atom, Electron density

Metallization of alkali anions in condensed phases.

Authors: Pyper, N. C. Edwards, P. P.

Source: Journal of the American Chemical Society; May 31 2000, Vol. 122 Issue 21, p5092-5099, 8p

Polarizability and nuclear shielding for the sodium anion in condensed phases.

Authors: Pyper, N. C. Pike, C. G. Edwards, P. P.

Source: Journal of the American Chemical Society; February 24 1993, Vol. 115, p1468-1478, 11p

Nuclear shielding in the alkali metal anions.

Authors: Pyper, N. C. Edwards, P. P.

Source: Journal of the American Chemical Society; January 8 1986, Vol. 108, p78-81, 4p

Excited helium under high pressures in the bulk and in nanobubbles.

Authors: Pyper, N. C. Naginey, T. C. Nellist, P. D. et al.

Source: Philosophical Magazine Letters. Aug2017, Vol. 97 Issue 8, p295-303. 9p.

Confined helium, density dependence of the inelastic electron and photon scattering cross-sections and the optical oscillator strength.

Authors: Pyper, N. C. Whelan, Colm T.

Source: Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences. Jun2022, Vol. 478 Issue 2262, p1-17. 17p.

Subjects: Photon scattering, Oscillator strengths, Electron scattering, Light scattering, Electronic excitation, Inelastic scattering, Bubbles

Environmental modifications of atomic properties: The ground and 1s2p excited states of compressed helium.

Authors: Pyper, N. C. Naginey, T. C. Whelan, Colm T.

Source: Journal of Chemical Physics. 12/7/2021, Vol. 155 Issue 21, p1-14. 14p.

First simultaneous observation of the 133Cs NMR from Cs+, Cs-, and Cs+e- in a metal solution.

Authors: Ellaboudy, A. S. Pyper, N. C. Edwards, P. P.

Source: Journal of the American Chemical Society; March 2 1988, Vol. 110, p1618-1620, 3p

The 1s2 1s2p(1P) excitation energy for helium atoms in liquid helium, solid helium and helium bubbles in metals.

Authors: Pyper, N. C. Essex, D. W. Whelan, Colm T.

Source: Philosophical Magazine B. 1/1/2001, Vol. 81 Issue 1, p91-115. 25p.

Relativity and the periodic table.

Authors: Pyper, N. C.¹ ncp1@cam.ac.uk

Source: Philosophical Transactions of the Royal Society A: Mathematical, Physical & Engineering Sciences. 9/18/2020, Vol. 378 Issue 2180, p1-48. 48p.

The noble gas dimers as a probe of the energetic contributions of dispersion and short-range electron correlation in weakly bound systems.

Authors: Housden, M. P. Pyper, N. C.

Source: Molecular Physics. 9/10/2007, Vol. 105 Issue 17/18, p2353-2361. 9p. 5 Charts, 2 Graphs.

Subjects: Noble gases, Binding sites, Hartree-Fock approximation, Approximation theory, Energy-band theory of solids, Molecular dynamics

Relativistic theory of nuclear shielding in one-electron atoms 1. Theoretical foundations and first-order terms.

Authors: Pyper, N. C.

Source: Molecular Physics. 08/10/99, Vol. 97 Issue 3, p381-390. 10p.

Subjects: Relativistic particles, Radiation shielding, Atomic orbitals

Relativistic theory of nuclear shielding in one-electron atoms 2. Analytical and numerical results.

Authors: Pyper, N. C. Zhang, Z. C.

Source: Molecular Physics. 08/10/99, Vol. 97 Issue 3, p391-413. 23p. 17 Charts.

Subjects: Relativistic particles, Radiation shielding, Electrons, Atomic orbitals

Structure and pressure variation of the anion polarizability and dependent properties in solid magnesium oxide.

Authors: Pyper, N. C.

Source: Molecular Physics. 09/01/98, Vol. 95 Issue 1, p1-15. 15p. 12 Charts, 3 Graphs.

Subjects: Magnesium compounds, Polarizability (Electricity), Anions

The role of final state potentials in the distorted-wave Born approximation calculation of inner-shell ionization processes.

Authors: Kampp, Marco Pyper, N. C. Whelan, Colm T.

Source: AIP Conference Proceedings. 2002, Vol. 604 Issue 1, p286. 5p.

The cohesive energetics of solid cesium chloride.

Authors: Pyper, N. C.

Source: Journal of Chemical Physics. 2/1/2003, Vol. 118 Issue 5, p2308. 17p. 18 Charts.

Rubber ramp and spat rope did not facilitate upstream passage of a galaxiid through a perched culvert.

Authors: Baker, C. F. Williams, P. Pyper, N. et al.

Source: Marine & Freshwater Research. 2024, Vol. 75 Issue 3, p1-7. 7p.

Response to “Comment on ‘The cohesive energetics of cesium chloride [J. Chem. Phys. 118, 2308 (2003)]’ ”.

Authors: Pyper, N. C.¹

Source: Journal of Chemical Physics. 10/22/2003, Vol. 119 Issue 16, p8767. 2p.

Short range interaction potentials between anions in crystals.

Authors: Pyper, N. C.

Source: Journal of Chemical Physics. 3/8/2001, Vol. 114 Issue 10. 15 Charts, 2 Graphs.

Band shape studies in high resolution nuclear magnetic resonance

Authors: Pyper, N. C.

URL: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.469668