Jürg Schefer

Laboratory for Neutron Scattering and Imaging

Paul Scherrer Institute

Jürg Schefer

E-mail : 

Phone :  +41 563104347

  1. Working fields
  2. Instrument developments
  3. Latest approved scientific project
  4. Scientific Publications

Research Associate, Group Leader, Deputy Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, Villigen PSI, Switzerland
Co-Ordinator MaMaSELF for Switzerland
Senior Research Associate BNL/Columbia University, Upton/New York, USA
Post-Doc in structural biology, BNL, Upton, USA: Investigations on biological systems on proteins

Working fields

Materials Science (oxygen diffusion materials, magnetic materials, optical active materials)
Main methods used: neutron and X-Ray diffraction, single crystal and powder methods
 

Instrument developments

Neutron powder diffractometer DMC at the reactor SAPHIR, Würenlingen (now at SINQ/PSI)
Single crystal diffractometer TriCS/SINQ/PSI, to be replaced 2016 by ZEBRA
ESS multilength-scale diffraction instrument HEIMDAL for in-situ/in-operandi studies
 

Latest approved scientific project

SECTOR - Structural induced electronic complexity controlled by low temperature topotactic reaction
Common ANR/SNF funded project between PSI and University of Montpellier (2015)
 
 

Scientific Publications

A.Villesuzanne, W. Paulus, A. Cousson, S. Hosoya, L. LeDreau, O. Hernandez, M.I. Houchati, J. Schefer: On the role of lattice dynamics on low-temperature oxygen mobility in solid oxydes: a neturon diffraction and first-principles investigation of La2CuO 4+δ. J. Solid State Electrochem. 15 (2011) 357-366
 
A. Cervellino, A. Schuy, J. Schefer, L. Keller, Th. Woike and  D. Schaniel: Structure of single photoswitchable nitrosyl complexes in nanopores of SiO2 xerogels.  J. Appl. Cryst.  43, 1040 (2010)
 
M. Rüdlinger, J. Schefer, T. Vogt, T. Woike, S. Haussühl and H. Zöllner,
Ground- and Light Induced Metastable States of Sodium nitroprusside,
Physica B 180&181 (1992) 293-298
 
M. Kenzelmann, A.B. Harris, S. Jonas, C. Broholm, J. Schefer, S.B. Kim, C.L. Zhang, S.-W. Cheong, O.P. Vajk and J.W. Lynn: Magnetic Inversion Symmetry Breaking and Ferroelectricity in TbMnO3, Phys. Rev. Lett. 95 (2005) 087206-1-087206-4
 
B. Roessli, J. Schefer, G. Petrakovskii, B. Ouladdiaf, M. Boehm, U. Staub,
A. Vorontinov and L. Bezmaternikh: Formation of a Magnetic Soliton Lattice in CuB2O4 Metaborate, Physical Review Letters 86,9 (2001) 1885-1889
 
R. Knott, J. Schefer  and B.P. Schoenborn: Neutron Structure of the Immunosuppressant Cyclosporin A, Acta Crystallogr., C46 (1990) 1528-1533
 
J. Schefer, L. Keller, Y. Zannatul, S. Paofai, M. Schmalz, M. Krebs,  M. Ceretti, W. Paulus: Electrochemical reduction of La(Ni3.6Co0.7Al0.4Mn0.3 ) (LaMM) deuterides investigated by in situ neutron powder diffraction: Following the metal-hydride phase transition under technical operating conditions in a KOD electrolyte, International Journal of Hydrogen Energy, 38 (2013) 5903-5910
 
J. Schefer, P. Fischer, W. Hälg, F. Stucki and L. Schlapbach: Structural Phase Transitions of FeTi-Deuterides, Material  Research Bulletin 14 (1979) 1281-1294