W. Hayes

Publication List Details

Period

1902 - 2008

Number

44

Co-Authors

Muon spin relaxation study of LaTiO3 and YTiO3 (2008)

Baker, P. J., Lancaster, T., Blundell, S. J., Hayes, W., Pratt, F. L., Itoh, M., ...

We report muon spin relaxation measurements on two Ti3+ containing perovskites, LaTiO3 and YTiO3, which display long range magnetic order at low temperature. For both materials, oscillations in the...

Anomalous temperature evolution of the internal magnetic field distribution in the charge-ordered triangular antiferromagnet AgNiO2 (2007)

Lancaster, T., Blundell, S. J., Baker, P. J., Brooks, M. L., Hayes, W., Pratt, F. L., ...

Zero-field muon-spin relaxation measurements of the frustrated triangular quantum magnet AgNiO2 are consistent with a model of charge disproportionation that has been advanced to explain the...

Muon-fluorine entangled states in molecular magnets (2007)

Lancaster, T., Blundell, S. J., Baker, P. J., Brooks, M. L., Hayes, W., Pratt, F. L., ...

The information accessible from a muon-spin relaxation experiment is often limited since we lack knowledge of the precise muon stopping site. We demonstrate here the possibility of localizing a spin...

A muon-spin relaxation study of BiMnO3 (2007)

Lancaster, T., Blundell, S. J., Baker, P. J., Pratt, F. L., Hayes, W., Yamada, I., ...

We present the results of muon-spin relaxation measurements on ferromagnetic BiMnO3. Below T_C=98.0(1) K oscillations in the time-dependence of the muon polarization are observed, characteristic of a...

Magnetism in the high-Tc analogue Cs2AgF4 studied with muon-spin relaxation (2007)

Lancaster, T., Blundell, S. J., Baker, P. J., Hayes, W., Giblin, S. R., McLain, S. E., ...

We present the results of a muon-spin relaxation study of the high-Tc analogue material Cs2AgF4. We find unambiguous evidence for magnetic order, intrinsic to the material, below T_C=13.95(3) K. The...

Kagome staircase compounds Ni3V2O8 and Co3V2O8 studied with implanted muons (2007)

Lancaster, T, Blundell, SJ, Baker, PJ, Hayes, W, Pratt, FL

We present the results of muon-spin relaxation (mu+SR) measurements on the kagome staircase compounds Ni3V2O8 and Co3V2O8. The magnetic behavior of these materials may be described in terms of two...

Magnetism in Geometrically Frustrated YMnO3 Under Hydrostatic Pressure Studied with Implanted Muons (2006)

Lancaster, T., Blundell, S. J., Andreica, D., Janoschek, M., Roessli, B., Gvasaliya, S. N., ...

The rare-earth ferroelectromagnet YMnO3 consists of weakly coupled triangular layers of S=2 spins. Below T_N ~ 70 K muon-spin relaxation data show two oscillatory relaxing signals due to magnetic...

The kagome staircase compounds Ni$_{3}$V$_{2}$O$_{8}$ and Co$_{3}$V$_{2}$O$_{8}$ studied with implanted muons (2006)

Lancaster, T., Blundell, S. J., Baker, P. J., Prabhakaran, D., Hayes, W., Pratt, F. L.

We present the results of muon-spin relaxation ($\mu^{+}$SR) measurements on the kagome staircase compounds Ni$_{3}$V$_{2}$O$_{8}$ and Co$_{3}$V$_{2}$O$_{8}$. The magnetic behavior of these materials...

Magnetism in the S=1 frustrated antiferromagnet GeNi2O4 studied using implanted muons (2005)

Lancaster, T., Blundell, S. J., Prabhakaran, D., Baker, P. J., Hayes, W., Pratt, F. L.

We present the results of a muon-spin relaxation study of GeNi2O4. We provide further clarification of the two transitions to the antiferromagnetic state and measure the magnetic field dependence of...

Fragrance Release from the Surface of Branched Poly (Amide) S (2005)

F. Aulenta, M. Drew, A. Foster, W. Hayes, S. Rannard, D. Thornthwaite, ...

Enzymes are powerful tools in organic synthesis that are able to catalyse a wide variety of selective chemical transformations under mild and environmentally friendly conditions. Enzymes such as the...

MAGNETOOPTICS OF (Ga, In) As QUANTUM WELLS : EXCITON BINDING ENERGIES AND CARRIER EFFECTIVE MASSES (1987)

Singleton, J., Pulsford, N., Mowbray, D., Skolnick, M., Taylor, L., Bass, S., ...

Transmission measurements, in magnetic fields of up to 16T, have been performed on a series of undoped (Ga,In)As-InP quantum wells. Transitions with Landau indices up to l=15 and energies up to...

MAGNETOOPTICS OF (Ga, In) As QUANTUM WELLS : EXCITON BINDING ENERGIES AND CARRIER EFFECTIVE MASSES (1987)

Singleton, J., Pulsford, N., Mowbray, D., Skolnick, M., Taylor, L., Bass, S., ...

Transmission measurements, in magnetic fields of up to 16T, have been performed on a series of undoped (Ga,In)As-InP quantum wells. Transitions with Landau indices up to l=15 and energies up to...

MAGNETOOPTICS OF (Ga, In) As QUANTUM WELLS : EXCITON BINDING ENERGIES AND CARRIER EFFECTIVE MASSES (1987)

Singleton, J., Pulsford, N., Mowbray, D., Skolnick, M., Taylor, L., Bass, S., ...

Transmission measurements, in magnetic fields of up to 16T, have been performed on a series of undoped (Ga,In)As-InP quantum wells. Transitions with Landau indices up to l=15 and energies up to...

Investigation of oxygen disorder, thermal parameters, lattice vibrations and elastic constants of UO2 and ThO2 at temperatures up to 2 930 K (1984)

Clausen, K., Hayes, W., Hutchings, M. T., Macdonald, J.E., Osborn, R., Schnabel, P.

A knowledge of the thermodynamic properties of UO2 at temperatures in the region 1 500-3 100 K is of importance in reactor safety calculations, yet there are relatively few detailed experimental data...

Investigation of oxygen disorder, thermal parameters, lattice vibrations and elastic constants of UO2 and ThO2 at temperatures up to 2 930 K (1984)

Clausen, K., Hayes, W., Hutchings, M. T., Macdonald, J.E., Osborn, R., Schnabel, P.

A knowledge of the thermodynamic properties of UO2 at temperatures in the region 1 500-3 100 K is of importance in reactor safety calculations, yet there are relatively few detailed experimental data...

Investigation of oxygen disorder, thermal parameters, lattice vibrations and elastic constants of UO2 and ThO2 at temperatures up to 2 930 K (1984)

Clausen, K., Hayes, W., Hutchings, M. T., Macdonald, J.E., Osborn, R., Schnabel, P.

A knowledge of the thermodynamic properties of UO2 at temperatures in the region 1 500-3 100 K is of importance in reactor safety calculations, yet there are relatively few detailed experimental data...

PHONONS IN SUPERIONIC CONDUCTORS (1981)

Hayes, W.

Detailed information about the nature of disorder in superionic conductors can be obtained from the study of vibrational excitations using Raman, Brillouin and neutron scattering techniques. The...

PHONONS IN SUPERIONIC CONDUCTORS (1981)

Hayes, W.

Detailed information about the nature of disorder in superionic conductors can be obtained from the study of vibrational excitations using Raman, Brillouin and neutron scattering techniques. The...

PHONONS IN SUPERIONIC CONDUCTORS (1981)

Hayes, W.

Detailed information about the nature of disorder in superionic conductors can be obtained from the study of vibrational excitations using Raman, Brillouin and neutron scattering techniques. The...

RAMAN AND INFRA-RED STUDIES OF DEFECTSTheory of F-centre Raman scattering in SrF2 (1980)

Bartram, R., Wiltshire, M., Hayes, W.

Forces and force-constant changes for the F centre in SrF2 were calculated from a point-ion-model, ground-state wave function. The predicted negative central-force-constant change for NN cations is...

Superionics (1980)

Hayes, W.

The paper includes a general discussion of the properties of superionic materials and emphasises the nature of disorder in superionics. Particular attention is paid to the microscopic properties of...

RAMAN AND INFRA-RED STUDIES OF DEFECTSTheory of F-centre Raman scattering in SrF2 (1980)

Bartram, R., Wiltshire, M., Hayes, W.

Forces and force-constant changes for the F centre in SrF2 were calculated from a point-ion-model, ground-state wave function. The predicted negative central-force-constant change for NN cations is...

Superionics (1980)

Hayes, W.

The paper includes a general discussion of the properties of superionic materials and emphasises the nature of disorder in superionics. Particular attention is paid to the microscopic properties of...

RAMAN AND INFRA-RED STUDIES OF DEFECTSTheory of F-centre Raman scattering in SrF2 (1980)

Bartram, R., Wiltshire, M., Hayes, W.

Forces and force-constant changes for the F centre in SrF2 were calculated from a point-ion-model, ground-state wave function. The predicted negative central-force-constant change for NN cations is...

Superionics (1980)

Hayes, W.

The paper includes a general discussion of the properties of superionic materials and emphasises the nature of disorder in superionics. Particular attention is paid to the microscopic properties of...

NEUTRON SCATTERING STUDIES OF ANION DISORDER IN FLUORITES AT HIGH TEMPERATURES (1976)

Dickens, M., Hayes, W., Hutchings, M.

Certain classes of ionic solids exhibit ionic conductivities, at temperatures appreciably below the melting point, which are comparable with those found in liquid electrolytes (these compounds are...

NEUTRON SCATTERING STUDIES OF ANION DISORDER IN FLUORITES AT HIGH TEMPERATURES (1976)

Dickens, M., Hayes, W., Hutchings, M.

Certain classes of ionic solids exhibit ionic conductivities, at temperatures appreciably below the melting point, which are comparable with those found in liquid electrolytes (these compounds are...

NEUTRON SCATTERING STUDIES OF ANION DISORDER IN FLUORITES AT HIGH TEMPERATURES (1976)

Dickens, M., Hayes, W., Hutchings, M.

Certain classes of ionic solids exhibit ionic conductivities, at temperatures appreciably below the melting point, which are comparable with those found in liquid electrolytes (these compounds are...

FORMATION DE CENTRES COLORÉS DANS LES HALOGÉNURES ALCALINS-TERREUXRADIOLYSIS OF ALKALINE EARTH FLUORIDES (1973)

Hayes, W.

The structures of colour centres in alkaline earth fluorides are now sufficiently well known to make studies of mechanisms of radiolysis possible. This short review describes results of recent...

FORMATION DE CENTRES COLORÉS DANS LES HALOGÉNURES ALCALINS-TERREUXRADIOLYSIS OF ALKALINE EARTH FLUORIDES (1973)

Hayes, W.

The structures of colour centres in alkaline earth fluorides are now sufficiently well known to make studies of mechanisms of radiolysis possible. This short review describes results of recent...

FORMATION DE CENTRES COLORÉS DANS LES HALOGÉNURES ALCALINS-TERREUXRADIOLYSIS OF ALKALINE EARTH FLUORIDES (1973)

Hayes, W.

The structures of colour centres in alkaline earth fluorides are now sufficiently well known to make studies of mechanisms of radiolysis possible. This short review describes results of recent...

The spectra of the diatomic manganese Halides. (1955)

Hayes, W.

Thesis (Ph. D.)--University College Dublin, 1955.

Trinity Lane, York, North Yorkshire (1902)

Hayes, W

Houses along Trinity Lane in York date from between circa 1500 and circa 1750. The buildings seen here date from the latter end of this time scale.

Trinity Lane, York, North Yorkshire (1902)

Hayes, W

Houses along Trinity Lane in York date from between circa 1500 and circa 1750. The buildings seen here date from the latter end of this time scale.