A. B. Abrahamsen

Fermi surface and order parameter driven vortex lattice structure transitions in twin-free YBa2Cu3O7 (2008)

White, J. S., Hinkov, V., Heslop, R. W., Lycett, R. J., Forgan, E. M., Bowell, C., ...

We report on small-angle neutron scattering studies of the intrinsic vortex lattice (VL) structure in detwinned YBa2Cu3O7 at 2 K, and in fields up to 10.8 T. Because of the suppressed pinning to...

Effect of Cu or Ag additions on the kinetics of MgB2 phase formation in Fe-sheathed wires (2008)

A.B. Abrahamsen, J. Bednarcik

Journal article

In-situ synchrotron x-ray study of MgB2 formation when doped by SiC 2007-09-16 - 2007-09-16 (2008)

A.B. Abrahamsen, N.H. Andersen, M. Herrmann, ...

Contribution to a conf. proceeding (journal)

Manufacture of (Bi,Pb)2Sr2Ca2Cu3O10 based tapes with a composite sheath 2007-09-16 - 2007-09-20 (2008)

A.B. Abrahamsen, N.H. Andersen, K. Saksl

Contribution to a conf. proceeding (journal)

Pauli Paramagnetic Effects on Vortices in Superconducting TmNi2B2C (2007)

DeBeer-Schmitt, L., Eskildsen, M. R., Ichioka, M., Machida, K., Jenkins, N., Dewhurst, C. D., ...

The magnetic field distribution around the vortices in TmNi2B2C in the paramagnetic phase was studied experimentally as well as theoretically. The vortex form factor, measured by small-angle neutron...

Inelastic neutron scattering experiments with the monochromatic imaging mode of the RITA-II spectrometer (2006)

Bahl, C. R. H., Lefmann, K., Abrahamsen, A. B., Ronnow, H. M., Saxild, F., Jensen, T. B. S., ...

Recently a monochromatic multiple data taking mode has been demonstrated for diffraction experiments using a RITA type cold neutron spectrometer with a multi-bladed analyser and a position-sensitive...

Combined X-ray and electron microscopy study of MgB2 powders, wires and tapes 2005-09-11 - 2005-09-15 (2006)

O. Eibl, B. Birajdar, N.H. Andersen, ...

Contribution to a conf. proceeding (journal)

Phonon-induced quadrupolar ordering of the magnetic superconductor TmNi2B2C (2006)

N.H. Andersen, J. Jensen, M. V. Zimmermann, R. Pinholt, ...

Journal article

Magnetic and quadrupolar ordering in TmNi2B2C 2005-11-28 - 2005-12-02 (2006)

N.H. Andersen, J. Jensen, R. Pinholt, ...

Contribution to a conf. proceeding (journal)

Phonon-induced quadrupolar ordering of the magnetic superconductor TmNi$_2$B$_2$C (2005)

Andersen, N. H., Jensen, J., Jensen, T. B. S., Zimmermann, M. V., Pinholt, R., Abrahamsen, A. B., ...

We present synchrotron x-ray diffraction studies revealing that the lattice of thulium borocarbide is distorted below T_Q = 13.5 K at zero field. T_Q increases and the amplitude of the displacements...

Temperature Dependence of the Flux Line Lattice Transition into Square Symmetry in Superconducting LuNi$_2$B$_2$C (2001)

Eskildsen, M. R., Abrahamsen, A. B., Kogan, V. G., Gammel, P. L., Mortensen, K., Andersen, N. H., ...

We have investigated the temperature dependence of the H || c flux line lattice structural phase transition from square to hexagonal symmetry, in the tetragonal superconductor LuNi_2B_2C (T_c = 16.6...

Flux Line Lattice Reorientation in the Borocarbide Superconductors with H || a (2001)

Abrahamsen, A. B., Andersen, N. H., Bishop, D. J., Canfield, P. C., Eskildsen, M. R., Gammel, P. L., ...

Temperature Dependence of the Flux Line Lattice Transition into Square Symmetry in Superconducting LuNi2B2C (2001)

Abrahamsen, A. B., Eskildsen, M. R., Gammel, P. L., Kogan, V. G., Mortensen, K.

Oxygen-ordering superstructures in NbBa§2Cu§3O§6§.§5 single crystals investigated by hard-x-ray diffraction. (2000)

Frello, T., Andersen, N.H., Madsen, J., Abrahamsen, A.B., Zimmermann, M.von, Niemöller, T., ...

Physical Review B, 61(2000) S.R9253

Kinetics of MgB2 formation studied bu in-situ synchrotron x-ray diffraction 2006-08-27 - 2006-09-01

A.B. Abrahamsen, N.H. Andersen, J. Homeyer, ...

Conference presentation