Zobrazeno 1 - 10
of 1 005
pro vyhledávání: '"Belanger, D."'
The different magnetic behaviors of LaCoO$_3$ films grown on LaAlO$_3$ and SrTiO$_3$ are related to the Co-O-Co bond angles and the constraints imposed on the Co-O bond lengths by the substrate geometries. Long-range magnetic order occurs below T ~ 9
Externí odkaz:
http://arxiv.org/abs/2108.07965
Autor:
White, J.C., Woods, M., Krahn, T., Papasodoro, C., Bélanger, D., Onafrychuk, C., Sinclair, I.
Publikováno v:
In Remote Sensing of Environment January 2021 252
Autor:
Belanger, D. P., Keiber, T., Bridges, F., Durand, A. M., Mehta, A., Zheng, H., Mitchell, J. F., Borzenets, V.
The temperature dependence of the hexagonal lattice parameter $c$ of single crystal $\rm LaCoO_3$ (LCO) with $H=0$ and $800$Oe, as well as LCO bulk powders with $H=0$, was measured using high-resolution x-ray scattering near the transition temperatur
Externí odkaz:
http://arxiv.org/abs/1510.07002
Autor:
Durand, A. M., Belanger, D. P., Hamil, T. J., Ye, F., Chi, S., Fernandez-Baca, J. A., Booth, C. H., Abdollahian, Y., Bhat, M.
Bulk and nanoparticle powders of LaCoO3 (LCO) were synthesized, and their magnetic and structural properties were studied using SQUID magnetometry and neutron diffraction. The bulk and large nanoparticles exhibit weak ferromagnetism (FM) below T ~ 85
Externí odkaz:
http://arxiv.org/abs/1410.8450
Autor:
Durand, A. M., Hamil, T. J., Belanger, D. P., Chi, S., Ye, F., Fernandez-Baca, J. A., Abdollahian, Y., Booth, C. H.
Bulk La_wCoO3 particles with w=1.1, 1.0, 0.9, 0.8, and 0.7 were synthesized using starting materials with varying molar ratios of La2O3 and Co3O4. The resulting particles are characterized as LaCoO3 crystals interfaced with a crystalline Co3O4 phase.
Externí odkaz:
http://arxiv.org/abs/1410.8284
Autor:
Durand, A. M., Belanger, D. P., Ye, F., Chi, S., Fernandez-Baca, J. A., Booth, C. H., Bhat, M.
LaCoO3 (LCO) nanoparticles were synthesized and their magnetic and structural properties were examined using SQUID magnetometery and neutron diffraction. The nanoparticles exhibit ferromagnetic long-range order beginning at T_C approximately 87K that
Externí odkaz:
http://arxiv.org/abs/1311.0240
Publikováno v:
Phys. Rev. B 86, 024416 (2012)
The low temperature excitations in the anisotropic antiferromagnetic Fe_{1-x} Zn_x F_2 for x=0.25 and 0.31, at and just above the magnetic percolation threshold concentration x_p=0.25, were measured using inelastic neutron scattering. The excitations
Externí odkaz:
http://arxiv.org/abs/1207.4428
Autor:
Sundaram, N., Jiang, Y., Anderson, I. E., Belanger, D. P., Booth, C. H., Bridges, F., Mitchell, J. F., Proffen, Th., Zheng, H.
Publikováno v:
Phys. Rev. Lett. 102, 026401 (2009)
The combined local structure techniques, extended x-ray absorption fine structure (EXAFS) and neutron pair distribution function analysis, have been used for temperatures 4 <= T <= 330 K to rule out a large Jahn-Teller (JT) distortion of the Co-O bon
Externí odkaz:
http://arxiv.org/abs/0902.0343
Autor:
Ye, F., Zhou, L., Meyer, S. A., Shelton, L. J., Belanger, D. P., Lu, L., Larochelle, S., Greven, M.
The critical exponent beta =0.17(1) for the three-dimensional random-field Ising model (RFIM) order parameter upon zero-field cooling (ZFC) has been determined using extinction-free magnetic x-ray scattering techniques for Fe(0.85)Zn(0.15)F2. This re
Externí odkaz:
http://arxiv.org/abs/cond-mat/0605470
Neutron scattering experiments at the magnetic vacancy percolation threshold concentration, x_v, using the random-field Ising crystal Fe(0.76)Zn(0.24)F2, show stability of the transition to long-range order up to fields H=6.5 T. The observation of th
Externí odkaz:
http://arxiv.org/abs/cond-mat/0212428