Martin MEVEN

FRMII / Heinz Maier-Leibnitz Zentrum (MLZ)

Martin Meven

E-mail : 

  1. Fields of interest
  2. Scientific Career
  3. Latest Approved Scientific Projects
  4. Selected Recent Publications

Fields of interest

  • Structure analysis on oxygen diffusion materials, magnetic and superconducting compounds, H bonds in small molecules and minerals
  • Development and education of neutron and X-ray scattering methods and instrumentation, especially single crystal and powder techniques and related sample environments

Scientific Career

  • since 2012      RWTH Aachen University, Institute of Crystallography, Instrument scientist

user operation and development of the single crystal diffractometer HEiDi at the Heinz Maier-Leibnitz-Zentrum (MLZ) in Garching, Germany 

  • 2004 - 2012    Technische Universität München (TUM), Instrument Scientist 

user operation and development of the single crystal diffractometer HEiDi at the MLZ in Garching

  • 2001 – 2004    Technische Universität München, PostDoc

construction and development of the single crystal diffractometer HEiDi at the MLZ in Garching

  • 1994 - 2001    RWTH Aachen University, Institute of Crystallography, Ph.D. Thesis:

Development of a High Resolution X-ray single Crystal Diffractometer and Structure Studies on La2-xSrxCuO4 Single Crystals

 

Latest Approved Scientific Projects

2019 – 2022 Exploring oxygen diffusion mechanisms in Pr2NiO4+δunder operando conditions by neutron scattering: interplay between structure and lattice dynamics(Université Montpellier, W. Paulus, M. Ceretti;  RWTH Aachen/IfK, G. Roth, M. Meven) DFG/ANR

2019 – 2022 Development and Optimisation of the High-Pressure Devices for Polarised and Nonpolarised Neutron Diffraction and Spectroscopy on the Beamlines HEiDi, POLI, MIRA and DNS at the Heinz Maier-Leibnitz Zentrum(RWTH/IfK; TUM/FRM II/E21; FZJ/JCNS-2) (BMBF 05K19PA2)

Selected Recent Publications

  • Spin reorientation of the Fe moments in Eu0.5Ca0.5Fe2As2: Evidence for strong interplay of Eu and Fe magnetism; W. T. Jin, M. Meven, A. P. Sazonov, S. Demirdis, Y. Su, Y. Xiao, Z. Bukowski, S. Nandi, and Th. Brückel; Phys. Rev. B 99, 140402(R) (2019); DOI: 10.1103/PhysRevB.99.140402

  • Structural disorder and magnetic correlations driven by oxygen doping in Nd2NiO4+δ(δ0.11); S.R. Maity, M. Ceretti, L. Keller, J. Schefer, T. Shang, E. Pomjakushina, M. Meven, D. Sheptyakov, A. Cervellino and W. Paulus; Phys. Rev. Materials 3, 083604 (2019); DOI: 10.1103/PhysRevMaterials.3.083604
  • Combined X-ray and neutron single-crystal diffraction in diamond anvil cells; A. Grzechnik, M. Meven, C. Paulmann, K. Friese; Journal of Applied Crystallography (accepted, 2019)

H-bonding in lazulite: a single-crystal neutron diffraction study at 298 and 3 K; G.D. Gatta, P. Vignola, N. Rotiroti, M. Meven; Phys. & Chem. of Minerals 1-10 (2018); DOI: 10.1007/S00269-018-1015-5

  • Proton disorder in a short intra­molecular hydrogen bond investigated by single-crystal neutron diffraction at 2.5 and 170 K; K.-N. Truong, M. Meven and U. Englert; Acta Cryst. C 74, 1635-1640 (2018); DOI: 10.1107/S2053229618015164