Rasch, J. C. E., Sheptyakov, D. V., Schefer, J., Keller, L., Böhm, M., Gozzo, F., ...
We report on the crystallographic structure of the layered compound Pb3Mn7O15. Previous analysis based on laboratory X-ray data at room temperature gave contradictory results in terms of the...
The nature of the magnetic order in Ca3Co2O6 (2008)
Agrestini, S., Chapon, L. C., Daoud-Aladine, A., Schefer, J., Gukasov, A., Mazzoli, C., ...
We present a detailed powder and single crystal neutron diffraction study of the spin chain compound Ca3Co2O6. Below 25 K, the system orders magnetically with a modulated partially disordered...
Tung, L. D., Ivanov, A., Schefer, J., Lees, M. R., Balakrishnan, G., Paul, D. McK
We report the results of magnetization, heat capacity and neutron scattering studies of LaVO3 single crystals. From the neutron diffraction studies, it was found that the compound is magnetically...
Schefer, J., Schaniel, D., Petricek, V., Woike, Th., Cousson, A., Woehlecke, M.
We report on the influence of the Barium content on the modulation amplitude in SrxBa1-xNb2O6 compounds by comparing Sr0.61Ba0.39Nb2O6 (SBN61) and Sr0.34Ba0.66Nb2O6 (SBN34). Our single crystal...
Neutron photocrystallography: simulation and experiment (2008)
Schefer, J., Schaniel, D., Petricek, V., Woike, Th.
The investigation of light-induced structural changes by diffractive methods has improved much in the last two decades. We present here the case of neutron photocrystallography for which we have...
Complex Spin Structures and Origin of the Magneto-Electric Coupling in YMn2O5 (2008)
Park, S. I., Kenzelmann, M., Schefer, J., ...
By combining neutron four-circle diffraction and polarized neutron diffraction techniques we have determined the complex spin structures of a multiferroic, YMn2O5, that exhibits two ferroelectric...
Nature of magnetic order in Ca3Co2O6 (2008)
Agrestini, S, Chapon, LC, Daoud-Aladine, A, Schefer, J, Gukasov, A, Mazzoli, C, ...
Schefer, J., Schaniel, D., Pomjakushin, V., Stuhr, U., Petricek, V., Woike, Th., ...
We report high-resolution neutron powder diffraction on Sr0.61Ba0.39Nb2O6, SBN61, in the temperature range 15-500 K. The results indicate that the low-temperature anomalies (T
Simultaneous Antiferromagnetic Fe3+ and Nd3+ Ordering in NdFe3(11BO3)4 (2006)
Fischer, P., Pomjakushin, V., Sheptyakov, D., Keller, L., Janoschek, M., Roessli, B., ...
By means of magnetic susceptibility and specific heat measurements, x-ray and unpolarised neutron diffraction investigations on powder and single-crystal samples, simultaneous long-range...
Magnetic inversion symmetry breaking and ferroelectricity in TbMnO3 (2005)
Kenzelmann, M., Harris, A. B., Jonas, S., Broholm, C., Schefer, J., Kim, S. B., ...
TbMnO3 is an orthorhombic insulator where incommensurate spin order for temperature T_N < 41K is accompanied by ferroelectric order for T < 28K. To understand this, we establish the magnetic...
Ruegg, C., Oettli, M., Schefer, J., Zaharko, O., Furrer, A., Tanaka, H., ...
Elastic and inelastic neutron scattering experiments have been performed on the dimer spin system NH4CuCl3, which shows plateaus in the magnetization curve at m=1/4 and m=3/4 of the saturation value....
Formation of a magnetic soliton lattice in copper metaborate (2000)
Roessli, B., Schefer, J., Petrakovskii, G., Ouladdiaf, B., Boehm, M., Staub, U., ...
The magnetic ground-state of copper metaborate is investigated by means of elastic neutron scattering.The magnetic structure of CuB2O4 is incommensurate with respect to the chemical lattice at T=1.8K...