The response of osteoblasts to nanocrystalline silicon-substituted hydroxyapatite thin films (2006)
Thian, E.S., Huang, J., Best, S.M., Barber, Z.H., Brooks, R.A., Rushton, N., ...
Magnetron co-sputtering has been employed to fabricate thin nanocrystalline coatings of silicon-substituted hydroxyapatite (SiHA) of different Si compositions: 0.8 wt%, 2.2 wt%, and 4.9 wt%. A human...
Photoinduced time-resolved electrodynamics of superconducting metals and alloys (2005)
LaVeigne, J. D., Reitze, D. H., Tanner, D. B., Barber, Z. H., Jacques, E., ...
The photoexcited state in superconducting metals and alloys was studied via pump-probe spectroscopy. A pulsed Ti:sapphire laser was used to create the non-equilibrium state and the far-infrared...
Singh, L. J., Barber, Z. H., Kohn, A., Petford-Long, A. K., Miyoshi, Y., Bugoslavsky, Y., ...
Highly (001) oriented thin films of Co2MnSi have been grown on lattice matched GaAs(001) without a buffer layer. Stoichiometric films exhibited a saturation magnetization slightly reduced from the...
Dho, Joonghoe, Leung, C. W., Barber, Z. H., Blamire, M. G.
We report studies of exchange bias and coercivity in ferromagnetic Ni$_{81}$Fe$_{19}$ layers coupled to antiferromagnetic (AF) (0001), (11$\bar{2}$0), and (11$\bar{0}$2) $\alpha$-Fe$_2$O$_3$ layers....
Critical currents in vicinal YBa$_2$Cu$_3$O$_{7-\delta}$ films (2004)
Durrell, J. H., Burnell, G., Barber, Z. H., Blamire, M. G., Evetts, J. E.
Most measurements of critical current densities in YBa$_2$Cu$_3$O$_{7-\delta}$ thin films to date have been performed on films where the \textit{c}-axis is grown normal to the film surface. With such...
High Curie temperatures in ferromagnetic Cr-doped AlN thin films (2004)
Kumar, D., Antifakos, J., Blamire, M. G., Barber, Z. H.
Al1-xCrxN thin films with 0.02?x?0.1 were deposited by reactive co-sputtering onto c-plane (001) sapphire. Room-temperature ferromagnetism with a coercive field of 85 Oe was observed in samples with...
Structural, magnetic and transport properties of thin films of the Heusler alloy Co2MnSi (2003)
Singh, L. J., Barber, Z. H., Miyoshi, Y., Bugoslavsky, Y., Branford, W. R., Cohen, L. F.
Thin films of Co2MnSi have been grown on a-plane sapphire substrates from three elemental targets by dc magnetron co-sputtering. These films are single phase, have a strong (110) texture and a...
Garg, A., Snedden, A., Lightfoot, P., Dawber, M., Scott, J. F., Barber, Z. H.
Epitaxial (001)-, (118)-, and (104)-oriented Nd-doped Bi4Ti3O12 films have been grown by pulsed-laser deposition from a Bi4-xNdxTi3O12 (x=0.85) target on SrRuO3 coated single-crystal (100)-, (110)-,...
The critical current of YBa2Cu3O7-d Low Angle Grain Boundaries (2003)
Durrell, J. H., Hogg, M. J., Kahlmann, F., Barber, Z. H., Blamire, M. G., Evetts, J. E.
Transport critical current measurements have been performed on 5 degree [001]-tilt thin film YBa2Cu3O7-delta single grain boundaries with magnetic field rotated in the plane of the film, phi. The...
Durrell, J. H., Mennema, S. H., Jooss, Ch., Gibson, G., Barber, Z. H., Zandbergen, H. W., ...
Field angle dependent critical current, magneto-optical microscopy, and high resolution electron microscopy studies have been performed on YBa2Cu3O7-d thin films grown on mis-cut substrates. High...
R. P'erez Pinaya, B. J. Feenstra, F. C. Klaassen, Z. H. Barber, M. Decroux
We present mm-wave transmission as a complementary technique to characterize the properties of superconducting thin films, obtaining information on both the real and imaginary part of the dielectric...
Vortex Channeling and the V-I Characteristic of YBa2Cu3O7 Low Angle Grain Boundaries (2001)
Hogg, M. J., Kahlmann, F., Tarte, E. J., Barber, Z. H., Evetts, J. E.
We have performed V-I measurements on a thin film YBa2Cu3O7 4^o [001] tilt low angle grain boundary over an extensive range of temperature and field, verifying the presence of a linear...
Sadki, E. S., Barber, Z. H., Lloyd, S. J., Blamire, M. G., Campbell, A. M.
We have studied the temperature dependence of the in-plane resistivity of NbN/AlN multilayer samples with varying insulating layer thickness in magnetic fields up to 7 Tesla parallel and...
Characterization of Superconducting Thin Films Using Mm-Wave Transmission (1999)
R. P'erez Pinaya, B. J. Feenstra, F. C. Klaassen, Z. H. Barber, M. Decroux
We present mm-wave transmission as a complementary technique to characterize the properties of superconducting thin films, obtaining information on both the real and imaginary part of the dielectric...
Feenstra, B. J., Klaassen, F. C., Barber, Z. H., Pinaya, R. Perez, Decroux, M.
Using mm-wave transmission we obtain information about both the real and imaginary part of the dielectric function of superconducting thin films. This is done by fitting the Fabry-Perot resonance...
Grazing Incidence Infrared Reflectivity of La$_{1.85}$Sr$_{0.15}$CuO$_4$ and NbN (1996)
Somal, H. S., Feenstra, B. J., Schützmann, J., Kim, Jae Hoon, Barber, Z. H., Duijn, V. H. M., ...
Infrared reflectivity measurements, using p-polarized light at a grazing angle of incidence, show an increased sensitivity to the optical conductivity of highly reflecting superconducting materials....