A. J. Leadbetter

Publication List Details

Period

1959 - 2005

Number

39

Co-Authors

THE THERMAL PROPERTIES OF ALKALI HALIDE CRYSTALS. IV. ANALYSIS OF THERMAL EXPANSION MEASUREMENTS, (2005)

Barron,T. H. K., Leadbetter,A. J.

It was shown how the function gamma (n) and (in principle) the volume dependence of the low-frequency expansion can be derived from thermodynamic measurements. The results obtained for NaCl and KCl...

Structural classification of liquid crystals (1987)

Leadbetter, A J

in Thermotropic Liquid Crystals (ed G W Gray) Critical Report on Appl Chem 22 1 (1987)

Neutron sources (1986)

Leadbetter, A J

European Physical Society, Switzerland pp78-80 (1986)

A correlation between short range smectic-like ordering and the elastic constants of nematic liquid crystals (1984)

Bradshaw, M.J., Raynes, E.P., Fedak, I., Leadbetter, A.J.

The measurements of the bend (k33) and splay (k 11) elastic constants and the amplitude of the smectic-like local ordering (obtained using X-ray diffraction techniques), have been made for a wide...

Dynamics of the modulated crystal smectic B phase of 50.7 by neutron scattering experiments (1984)

Richardson, R.M., Leadbetter, A.J., Hayter, J.B., Stirling, W.G., Gray, G.W., Tajbakhsh, A.

The cooperative nature of the molecular motions in the crystal smectic B and smectic G phases of 50.7 have been investigated using coherent neutron scattering from a fully deuterated sample. It is...

A correlation between short range smectic-like ordering and the elastic constants of nematic liquid crystals (1984)

Bradshaw, M.J., Raynes, E.P., Fedak, I., Leadbetter, A.J.

The measurements of the bend (k33) and splay (k 11) elastic constants and the amplitude of the smectic-like local ordering (obtained using X-ray diffraction techniques), have been made for a wide...

Dynamics of the modulated crystal smectic B phase of 50.7 by neutron scattering experiments (1984)

Richardson, R.M., Leadbetter, A.J., Hayter, J.B., Stirling, W.G., Gray, G.W., Tajbakhsh, A.

The cooperative nature of the molecular motions in the crystal smectic B and smectic G phases of 50.7 have been investigated using coherent neutron scattering from a fully deuterated sample. It is...

A correlation between short range smectic-like ordering and the elastic constants of nematic liquid crystals (1984)

Bradshaw, M.J., Raynes, E.P., Fedak, I., Leadbetter, A.J.

The measurements of the bend (k33) and splay (k 11) elastic constants and the amplitude of the smectic-like local ordering (obtained using X-ray diffraction techniques), have been made for a wide...

Dynamics of the modulated crystal smectic B phase of 50.7 by neutron scattering experiments (1984)

Richardson, R.M., Leadbetter, A.J., Hayter, J.B., Stirling, W.G., Gray, G.W., Tajbakhsh, A.

The cooperative nature of the molecular motions in the crystal smectic B and smectic G phases of 50.7 have been investigated using coherent neutron scattering from a fully deuterated sample. It is...

Novel liquid crystal structures in cyano bi-cyclohexanes (1981)

Brownsey, G.J., Leadbetter, A.J.

The structures of liquid crystal phases of three members of the series have been determined. All have nematic phases with extremely weak pseudo-layer density fluctuations and the two lowest members...

Novel liquid crystal structures in cyano bi-cyclohexanes (1981)

Brownsey, G.J., Leadbetter, A.J.

The structures of liquid crystal phases of three members of the series have been determined. All have nematic phases with extremely weak pseudo-layer density fluctuations and the two lowest members...

Novel liquid crystal structures in cyano bi-cyclohexanes (1981)

Brownsey, G.J., Leadbetter, A.J.

The structures of liquid crystal phases of three members of the series have been determined. All have nematic phases with extremely weak pseudo-layer density fluctuations and the two lowest members...

The unclassified smectic phase of N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) (1980)

Goodby, J.W., Gray, G.W., Leadbetter, A.J., Mazid, M.A.

For many years, N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) has been known to exhibit an unclassified smectic phase. This phase has been shown to occur between a smectic B and a smectic G...

The unclassified smectic phase of N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) (1980)

Goodby, J.W., Gray, G.W., Leadbetter, A.J., Mazid, M.A.

For many years, N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) has been known to exhibit an unclassified smectic phase. This phase has been shown to occur between a smectic B and a smectic G...

The unclassified smectic phase of N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) (1980)

Goodby, J.W., Gray, G.W., Leadbetter, A.J., Mazid, M.A.

For many years, N-(4-n-pentyloxybenzylidene)-4-n-hexylaniline (50.6) has been known to exhibit an unclassified smectic phase. This phase has been shown to occur between a smectic B and a smectic G...

Interlayer correlations in smectic B phases (1979)

Leadbetter, A.J., Frost, J.C., Mazid, M.A.

X-ray diffraction results are presented on very well aligned samples of several smectic B phases which show the existence of several kinds of interlayer correlations. The hexagonal closepacked layers...

The structure of smectic A phases of compounds with cyano end groups (1979)

Leadbetter, A.J., Frost, J.C., Gaughan, J.P., Gray, G.W., Mosley, A.

The smectic layer spacings (d) have been determined for a number of cyano derivatives which have an anomalous d/l ratio of ∼ 1.4, where l is the molecular length. It is shown that the quantity...

Interlayer correlations in smectic B phases (1979)

Leadbetter, A.J., Frost, J.C., Mazid, M.A.

X-ray diffraction results are presented on very well aligned samples of several smectic B phases which show the existence of several kinds of interlayer correlations. The hexagonal closepacked layers...

The structure of smectic A phases of compounds with cyano end groups (1979)

Leadbetter, A.J., Frost, J.C., Gaughan, J.P., Gray, G.W., Mosley, A.

The smectic layer spacings (d) have been determined for a number of cyano derivatives which have an anomalous d/l ratio of ∼ 1.4, where l is the molecular length. It is shown that the quantity...

Interlayer correlations in smectic B phases (1979)

Leadbetter, A.J., Frost, J.C., Mazid, M.A.

X-ray diffraction results are presented on very well aligned samples of several smectic B phases which show the existence of several kinds of interlayer correlations. The hexagonal closepacked layers...

The structure of smectic A phases of compounds with cyano end groups (1979)

Leadbetter, A.J., Frost, J.C., Gaughan, J.P., Gray, G.W., Mosley, A.

The smectic layer spacings (d) have been determined for a number of cyano derivatives which have an anomalous d/l ratio of ∼ 1.4, where l is the molecular length. It is shown that the quantity...

Conduction thermique des verres aux basses températures (1977)

Leadbetter, A.J., Jeapes, A.P., Waterfield, C.G., Maynard, R.

Les conductions thermiques des verres GeO2, B2O 3, BeF2, As2S3, As2Se 3, GeS2, CaMgSi2O6, verre et polycristal (diopside), ont été mesurées entre 1,5 K et 30 K. La variation de la conductivité de...

Conduction thermique des verres aux basses températures (1977)

Leadbetter, A.J., Jeapes, A.P., Waterfield, C.G., Maynard, R.

Les conductions thermiques des verres GeO2, B2O 3, BeF2, As2S3, As2Se 3, GeS2, CaMgSi2O6, verre et polycristal (diopside), ont été mesurées entre 1,5 K et 30 K. La variation de la conductivité de...

Conduction thermique des verres aux basses températures (1977)

Leadbetter, A.J., Jeapes, A.P., Waterfield, C.G., Maynard, R.

Les conductions thermiques des verres GeO2, B2O 3, BeF2, As2S3, As2Se 3, GeS2, CaMgSi2O6, verre et polycristal (diopside), ont été mesurées entre 1,5 K et 30 K. La variation de la conductivité de...

RAMAN AND BRILLOUIN SPECTRA OF VITREOUS SILICA (1959)

Stoichefe, B. P., Flubacher, P., Leadbetter, A. J., Morrison, J. A.

Author Institution: Divisions of Pure Physics and Chemistry, National Research Council