The High Pressure Synthesis Laboratory supports the activity of Dept. Takagi, as well as all the other research departments and service groups within MPI/FKF, with experiments at extreme conditions, in large volume high pressure devices, capable to contain mm3-sized samples.
We perform synthesis of novel materials, we detect and map new phase boundaries and melting curves, and measure physical properties such as electrical resistivity and isothermal compressibility.
In addition, we perform development work dedicated to extending the pressure range in large volume devices, beyond the present limit.

Current Members

  • Dr. Minu Kim
  • Dr. Graham McNally
  • Dipl.-Phys.Ing. Frank Falkenberg
  • Runze Zhang, M.Sc.
  • Uwe Engelhardt

Equipment

  • Main Laboratory 2nd floor
  • Voggenreiter press, equipped with a Walker module for 32mm WC cubes: up to 19GPa and 2200°C
  • Try 500 press, equipped with a Walker module for 32mm WC cubes: up to 15GPa and 1500°C
  • 1-atmosphere chamber oven: up to 1300°C
  • Satetellite Laboratory 1st floor
  • Belt press: under construction

Research directions

  • synthesis of new materials with interesting electronic properties
  • synthesis of new materials with special mechanical properties
  • determination of new phases and phase boundaries at high pressure and high temperature; kinetics of phase transitions
  • in-situ measurements of electrical conductivity/impedance under high pressures and temperatures

Publications / Contributions

  • A. Krajewska, , A. Yaresko, J. Nuss, A.S. Gibbs, S. Bette, M. Blankenhorn, R.E. Dinnebier, D.P. Sari, I. Watanabe, J. Bertinshaw, H. Gretarsson, K. Ishii, D. Matsumura, T. Tsuji, M. Isobe, B. Keimer, H. Takagi, T. Takayama: Formation of orbital molecules on a pyrochlore lattice induced by A-O bond covalency
    arXiv:2111.05057
  • M. Kim, G. M. McNally, H.-H. Kim, M. Oudah, A. S. Gibbs, P. Manuel, R. J. Green, T. Takayama, A. Yaresko, U. Wedig, M. Isobe, R. K. Kremer, D. A. Bonn, B. Keimer and H. Takagi: Discovery of Superconductivity in (Ba,K)SbO3
    arXiv:2107.06596
  • M. Kim, S. Klenner, G. M. McNally, J. Nuss, A. Yaresko, U. Wedig, R. K. Kremer, R. Pöttgen and H. Takagi: Mixed Valence and Superconductivity in Perovskite Antimonates
    Chemistry of Materials 33 (2021) 6787-6793 doi:10.1021/acs.chemmater.1c01362
  • A. Krajewska, T. Takayama, R. Dinnebier, A. Yaresko, K. Ishii, M. Isobe and H. Takagi: Almost pure Jeff=1/2 Mott state of In2Ir2O7 in the limit of reduced inter-site hopping
    Physical Review B (Vol. 101, No. 12) doi:10.1103/PhysRevB.101.121101
  • Alexander Kuhn, Oliver Gerbig, Changbao Zhu, Frank Falkenberg, Joachim Maier and Bettina V. Lotsch:
    A new ultrafast superionic Li-conductor: ion dynamics in Li11Si2PS12 and comparison with other tetragonal LGPS-type electrolytes
    Phys. Chem. Chem. Phys., 16, 14669-14674, 2014. doi:10.1039/C4CP02046D
  • C. Braun, N. Kiziltas Yavuz, K. Nikolowski, F. Falkenberg, J.M. Gallardo-Amores, M.E. Arroyo de Dompablo, H. Ehrenberg: High-Pressure Investigations of spinel-type LiNi0.5Mn1.5O4
    Contribution DGK 2013 - 21st Annual Conference of the German Crystallographic Society
  • T. Locherer, R. Dinnebier, R. K. Kremer, M. Greenblatt, M. Jansen: Synthesis and properties of a new quadruple perovskite: A-site ordered PbMn3Mn4O12
    J. Solid State Chem. 190 (2012) 277-284 doi:10.1016/j.jssc.2012.02.036
  • K. M. Mogare, I. Landau, N. Guérin, B. Trusch, M. Wagner, T. Locherer, M. Jansen, J. Hulliger: Ceramic Tl-oxide based superconductors reinvestigated by magnetic separation technique and SQUID measurements
    Solid State Sciences 13 (2011) 1879–1884 doi:10.1016/j.solidstatesciences.2011.07.023
  • T. Locherer, Prasad, D. L. V. K. Prasad, R. Dinnebier, U. Wedig, G. Garbarino, T. Hansen, M. Jansen: High pressure structural evolution of HP-Bi2O3
    Phys. Rev. B 83, 214102 (2011) doi:10.1103/PhysRevB.83.214102
  • H. Serier-Brault, M. Jansen: Properties and high-pressure behavior of a ternary lead oxide Pb2MnO4
    Solid State Sciences, Elsevier Science Bv, 13 (2011) 326-330
  • T. Locherer, S. Ghedia, A. Senyshyn, Prasad, D. L. V. K. Prasad, R. Dinnebier, M. Jansen: Metastable Bi2O3 polymorphs obtained by high pressure and high temperature
    Acta Cryst. A 66, s198 (2010)
  • S. Ghedia, T. Locherer, R. Dinnebier, D. L. V. K. Prasad, U. Wedig, M. Jansen, A. Senyshyn: High-pressure and high-temperature multianvil synthesis of metastable polymorphs of Bi2O3: Crystal structure and electronic properties
    Phys. Rev. B 82, 024106 (2010) doi:10.1103/PhysRevB.82.024106
  • T. Locherer, I. Halasz, R. Dinnebier, M. Jansen: Isothermal compressibility and anisotropic structural response of As2O5 under pressure
    J. Solid State Commun. 150 (2010) 201 - 204. doi:10.1016/j.ssc.2009.10.036
  • D. Orosel, R. E. Dinnebier, P. Balog, M. Jansen: The crystal structure of a new mixed valence arsenic(III, V)oxoacid H6As3+7As5+7O31
    Z. Kristallogr. 222 (2007) 321-5
  • P. Balog, D. Orosel, Z. Cancarevic, J. C. Schön, M. Jansen: V2O5phase diagram revisited at high pressures and high temperatures
    J. Alloys Compds. 429 (2007) 87-98
  • D. Orosel, R. E. Dinnebier, M. Jansen: High-Pressure Synthesis and Structure Determination of K6(SeO4)(SeO5), the First Potassium Orthoselenate(VI)
    Inorg. Chem. 45 (2006) 10947-50
  • D. Orosel, P. Balog, H. Liu, J. Qian, M. Jansen: Sb2O4 at high pressure and high temperatures
    J. Solid State Chem. 178 (2005) 2602-7
  • D. Orosel, O. Leynaud, P. Balog, M. Jansen: Pressure-Temperature Phase Diagram of SeO2· Characterization of New Phases
    J. Solid State Chem. 177 (2004) 1631-8

Former Members

  • Dr. Edward Bailey
  • Dr. Paul S. Balog
  • Dr. Stefan Ghedia
  • Dr. Masahiko Isobe
  • Dr.Ing. Thomas Locherer
  • Dr. Denis Orosel
  • Dr. Steffen Pfeiffer
  • Dr. Hélène Serier-Brault
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