Search Results - "Howells, W S"

Relaxation in polymer electrolytes on the nanosecond timescale by Saboungi, Marie-Louise, Mao, Guomin, Perea, Ricardo Fernandez, Howells, W. Spencer, Price, David L

“…The relation between mechanical and electrical relaxation in polymer/lithium-salt complexes is a fascinating and still unresolved problem in condensed-matter…”
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Dynamics of Fresh and Freeze-Dried Strawberry and Red Onion by Quasielastic Neutron Scattering by Jansson, H, Howells, W. S, Swenson, J

“…The microscopic behavior of fresh and freeze-dried strawberry and red onion at different water contents (45 and 20 wt % water) has been investigated by…”
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Dynamics of propylene glycol and its oligomers confined in clay by SWENSON, J, SCHWARTZ, G. A, BERGMAN, R, HOWELLS, W. S

“…The dynamics of propylene glycol (PG) and its oligomers 7-PG and PPG, with Mw = 4000 (about 70 monomers), confined in a Na-vermiculite clay have been…”
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Origin of the complex dielectric relaxation spectra of molecular glass formers by BERMEJO, F. J, HOWELLS, W. S, JIMENEZ-RUIZ, M, GONZALEZ, M. A, PRICE, D. L, SABOUNGI, M. L, CABRILLO, C

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Radial distribution function analysis of the structure of activated carbons by Burian, A., Ratuszna, A., Dore, J.C.

“…The structure of a series of activated carbon materials prepared from a polymer of phenol formaldehyde resin with different degree of “burn-off” from 0 to 32%…”
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Neutron diffraction and calorimetric study on Al-based metallic glasses by Clavaguera-Mora, M.T., Rodriguez-Viejo, J., Jacovkis, D., Touron, J.L., Clavaguera, N., Howells, W.S.

“…The kinetics of transformation of the melt spun Al 87Ni 7Nd 3Cu 3 alloy was analysed by differential scanning calorimetry (DSC) and neutron diffraction (ND)…”
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Rotation of Methyl Side Groups in Polymers: A Fourier Transform Approach to Quasielastic Neutron Scattering. 1. Homopolymers by Arrighi, V, Higgins, J. S, Burgess, A. N, Howells, W. S

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Dynamics of 2D-water as studied by quasi-elastic neutron scattering and neutron resonance spin-echo by Swenson, J., Bergman, R., Longeville, S., Howells, W.S.

“…We have investigated the dynamics of confined water in an Na-vermiculite clay by combining quasi-elastic neutron scattering (QENS) and neutron resonance…”
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Novel Nanoparticles for Pulmonary Drug Administration by Dickinson, Paul A., Howells, S. Wyn, Kellaway, Ian W.

“…A novel one-step, low energy method, which avoids harsh processing conditions including potentially toxic and chemically reactive cross-linking agents, for the…”
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Diffusive motions in crystalline AlCuNi by neutron quasielastic scattering by Howells, W.S, Dahlborg, U, Calvo-Dahlborg, M, Dubois, J.M

“…Quasi-elastic neutron scattering experiments have been performed on the Al 50Cu 35Ni 15 alloy on the IRIS spectrometer at ISIS and on the MIBEMOL spectrometer…”
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Experimental insight into the mixed mobile ion effect in glasses by Swenson, J, Matic, A, Börjesson, L, Howells, W.S

“…The structures of ion conducting mixed-alkali metaphosphate glasses (A 2O) x –(B 2O) 1− x –P 2O 5 (A,B=Li,Na,Rb) have been examined by neutron diffraction and…”
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Diffusive dynamics in polymer gel electrolytes investigated by quasi-elastic neutron scattering by Andersson, D., Svanberg, C., Swenson, J., Howells, W.S., Börjesson, L.

“…Quasi-elastic neutron scattering has been performed on a polymer gel electrolyte consisting of lithium perchlorate dissolved in ethylene carbonate/propylene…”
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Structure of liquid PEO-LiTFSI electrolyte by Mao, G, Saboungi, ML, Price, DL, Armand, MB, Howells, WS

“…The structure of a polymer electrolyte, P(EO)7.5LiN(SO 2CF (3))(2), has been determined by neutron diffraction with isotropic substitution. The Li ions are…”
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Rotation of Methyl Side Groups in Polymers: A Fourier Transform Approach to Quasielastic Neutron Scattering. 2. Polymer Blends by Arrighi, V, Higgins, J. S, Burgess, A. N, Howells, W. S

“…We present a quasielastic neutron scattering (QENS) study of two partially miscible blends: a blend of solution chlorinated polyethylene and poly(methyl…”
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Free volume and dissociation effects in fast ion conducting glasses by Swenson, J, Matic, A, Karlsson, C, Börjesson, L, Howells, W.S

“…We have investigated the structural changes that occur on CsI and CsI–AgI doping in AgPO 3 using neutron diffraction and Raman scattering experiments. To…”
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The Segmental and Rotational Dynamics of PPO, Above the Glass-Transition, Investigated by Neutron Scattering and Molecular Dynamics Simulations by Tengroth, C., Engberg, D., Wahnström, G., Börjesson, L., Carlsson, P., Ahlström, P., Howells, W. S.

“…The relaxation properties of poly(propylene oxide) at temperatures above the glass-transition temperature are studied by quasi-elastic neutron scattering and…”
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Neutron diffraction investigations of the cation coordination in an amorphous polymer electrolyte, PPO-LiClO4 by CARLSSON, P, SWENSON, J, BÖRJESSON, L, MCGREEVY, R. L, JACOBSSON, P, TORELL, L. M, HOWELLS, W. S

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Intermediate range structural correlations in polymer electrolyte PPO-LiClO4 from neutron diffraction experiments and reverse monte Carlo simulations by CARLSSON, P, MATTSSON, B, SWENSON, J, BÖRJESSON, L, TORELL, L. M, MCGREEVY, R. L, HOWELLS, W. S

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Dynamic enhancement of cation migration in a Zintl alloy by polyanion rotation by Saboungi, Marie-Louise, Fortner, Jeffrey, Howells, W. Spencer, Price, David Long

“…A study found unusual disordering behavior in a Zintl alloy. Rapid reorientations of tin polyanions enhance jump migration of sodium cations…”
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Structure of fast ion conducting borate glasses by neutron diffraction and reverse Monte Carlo simulations by Swenson, J, Börjesson, L, Howells, W S

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