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Articles

2015

  • A. Barla, H. Wilhelm, M. K. Forthaus, C. Strohm, R. Rüffer, M. Schmidt, K. Koepernik, U. K. Rößler and M. M. Abd-Elmeguid
    Pressure-Induced Inhomogeneous Chiral-Spin Ground State in FeGe
    Phys. Rev. Lett., 114, 016803, (2015)
  • Hisao Kobayashi, Shugo Ikeda, Yoshitaka Yoda, Naohisa Hirao, Yasuo Ohishi, J. A. Alonso, M. J. Martinez-Lope, R. Lengsdorf, D. I. Khomskii and M. M. Abd-Elmeguid
    Pressure-induced unusual metallic state in EuNiO3
    Phys. Rev. B, 91, 195148, (2015)
  • Michal Vališka, Jiří Pospíšil, Martin Diviš, Jan Prokleška, Vladimír Sechovský and Mohsen M. Abd-Elmeguid
    Evolution of ferromagnetic and non-Fermi-liquid states with doping: The case of Ru-doped UCoGe
    Accepted, Phys. Rev. B, (2015)
  • Michal Vališka, , Jiří Pospíšil, Anne Stunault, Yukiharu Takeda, Beatrice Gillon, Yoshinori Haga, Karel Prokeš, Mohsen M. Abd-Elmeguid, Gwilherm Nénert, Tetsuo Okane, Hiroshi Yamagami, Laurent Chapon, Arsene Gukasov, Alain Cousson, Etsuji Yamamoto and Vladimír Sechovský
    Gradual Localization of 5f States in Orthorhombic UTX Ferromagnets: Polarized Neutron Diffraction Study of Ru Substituted UCoGe
    Accepted, J. Phys. Soc. Jpn., 84, (2015)

2012

2011

  • M. K. Forthaus, G. R. Hearne, N. Manyala, O. Heyer, R. A. Brand, D. I. Khomskii, T. Lorenz and M. M. Abd-Elmeguid
    Pressure-induced quantum phase transition in Fe1−xCoxSi (x = 0.1,0.2)
    Phys. Rev. B, 83, 085101, (2011) [PDF, 1294 kB]

2010

  • K. Sengupta, M. K. Forthaus, H. Kubo, K. Katoh, K. Umeo, T. Takabatake and M. M. Abd-Elmeguid
    Geometrical frustration versus magnetic order in the heavy-fermion antiferromagnet YbAgGe under high pressure
    Phys. Rev. B, 81, 125129, (2010)
  • D. Wandner, P. Link, O. Heyer, J. Mydosh, M. A. Ahmida, M. M. Abd-Elmeguid, M. Speldrich, H. Lueken and U. Ruschewitz
    Structural Phase Transitions in EuC2
    Inorg. Chem., 49, 312, (2010)
  • M. K. Forthaus, K. Sengupta, O. Heyer, N. E. Christensen, A. Svane, K. Syassen, D. I. Khomskii, T. Lorenz and M. M. Abd-Elmeguid
    Superconductivity in SnO: A Nonmagnetic Analog to Fe-Based Superconductors?
    Phys. Rev. Lett., 105, 157001, (2010). arXiv:1009.3787

2009

  • S. Blanco-Canosa, F. Rivadulla, A. Piñeiro, V. Pardo, D. Baldomir, D. I. Khomskii, M. M. Abd-Elmeguid, M. A. López-Quintela and J. Rivas
    Enhanced Dimerization of TiOCl under Pressure: Spin-Peierls to Peierls Transition
    Phys. Rev. Lett., 102, 056406, (2009)

2008

  • D. Bichler, V. Zinth, D. Johrendt, O. Heyer, M.K. Forthaus, T. Lorenz and M.M. Abd-Elmeguid
    Structural and magnetic phase transitions of the V4-cluster compound GeV4S8
    Phys. Rev. B, 77, 212102, (2008) [PDF, 282 kB]
  • M. K. Forthaus, T. Taetz, A. Möller and M. M. Abd-Elmeguid
    Effect of pressure on the electrical transport and structure of TiOCl
    Phys. Rev. B, 77, 165121, (2008)

2007

  • R. Lengsdorf, J.-P. Rueff, G. Vanko, T. Lorenz, L. H. Tjeng and M. M. Abd-Elmeguid
    Spin-state-driven metal-insulator transition in (La,Sr)CoO3 under high-pressure
    Phys. Rev. B, 75, 180401(R), (2007) [PDF, 176 kB]
  • A. Caytuero, H. Micklitz, M. M. Abd-Elmeguid, F. J. Litterst, J. A. Alonso and E. M. Baggio-Saitovitch
    Evidence for charge disproportionation in monoclinic EuNiO3 from 57Fe Mössbauer spectroscopy
    Phys. Rev. B, 76, 193105, (2007)
  • I. I. Mazin, D. I. Khomskii, R. Lengsdorf, J. A. Alonso, W. G. Marshall, R. M. Ibberson, A. Podlesnyak, M. J. Martinez-Lope and M. M. Abd-Elmeguid
    Charge Ordering as Alternative to Jahn-Teller Distortion
    Phys. Rev. Lett., 98, 176406, (2007)
  • T. Mito, M. Nakamura, M. Otani, T. Koyama, S. Wada, M. Ishizuka, M. K. Forthaus, R. Lengsdorf, M. M. Abd-Elmeguid and J. L. Sarrao
    Magnetic properties of the pressure-induced ordering state in YbInCu4 investigated with NMR, magnetization, and x-ray diffraction measurements
    Phys. Rev. B, 75, 134401, (2007)

2006

  • J. Larrea J., M. B. Fontes, E. M. Baggio-Saitovitch, J. Plessel, M. M. Abd-Elmeguid, J. Ferstl, C. Geibel, A. Pereira, A. Jornada and M. A. Continentino
    Phase diagram of the heavy fermion system YbFe2Ge2 under pressure
    Phys. Rev. B, 74, 140406(R), (2006)
  • A. Podlesnyak, S. Streule, K. Conder, E. Pomjakushina, J. Mesot, A. Mirmelstein, P. Schützendorf, R. Lengsdorf and M.M. Abd-Elmeguid
    Pressure effects on crystal structure, magnetic and transport properties of layered perovskite TbBaCo2O5.5
    Physica B, 378-380, 537, (2006)

2005

  • P. Steffens, O. Friedt, P. Alireza, W. G. Marshall, W. Schmidt, F. Nakamura, S. Nakatsuji, Y. Maeno, R. Lengsdorf, M. M. Abd-Elmeguid and M. Braden
    High pressure diffraction studies on Ca2RuO4
    Phys. Rev. B, 72, 9, 094104, (2005), http://link.aps.org/abstract/PRB/v72/e094104. arXiv.org:cond-mat/0502332
  • R. Pocha, D. Johrendt, B. Ni and M. M. Abd-Elmeguid
    Crystal structures, electronic properties and pressure-induced superconductivity of the tetrahedral cluster compounds GaNb4S8, GaNb4Se8 and GaTa4Se8
    J. Am. Chem. Soc., 127, 8732, (2005)
  • A. Barla, J. Derr, J.-P. Sanchez, B. Salce, G. Lapertot, B. P. Doyle, R. Rüffer, R. Lengsdorf, M. M. Abd-Elmeguid and J. Flouquet
    High-Pressure Ground State of SmB6: Electronic Conduction and Long Range Magnetic Order
    Phys. Rev. Lett., 94, 166401, (2005)
  • A. Barla, J.-P. Sanchez, A. Aksungur, R. Lengsdorf, J. Plessel, B. P. Doyle, R. Rüffer and M. M. Abd-Elmeguid
    Delocalization of the U 5f magnetic moments in U(In0.6Sn0.4)3 and UNiSn under pressure
    J. Phys.: Condens. Matter, 17, S859, (2005)
  • A. Barla, J.-P. Sanchez, J. Derr, B. Salce, G. Lapertot, J. Flouquet, B. P. Doyle, O. Leupold, R. Rüffer, M. M. Abd-Elmeguid and R. Lengsdorf
    Valence and magnetic instabilities in Sm compounds at high pressures
    J. Phys.: Condens. Matter, 17, S837, (2005)
  • A. V. Goltsev and M. M. Abd-Elmeguid
    Origin of the pressure dependence of the Kondo temperature in Ce- and Yb-based heavy-fermion compounds
    J. Phys.: Condens. Matter, 17, S813, (2005)
  • N. V. Kazak, S. G. Ovchinnikov, M. M. Abd-Elmeguid and N. B. Ivanova
    Electronic properties of Fe1-xVxBO3 at ambient conditions and at high pressure
    J. Phys.: Condens. Matter, 17, S795, (2005)
  • A. Barla, J. P. Sanchez, A. Aksungur, R. Lengsdorf, J. Plessel, B. P. Doyle, R. Rüffer, T. Takabatake and M. M. Abd-Elmeguid
    Pressure driven collapse of the magnetism in the Kondo insulator UNiSn
    Phys. Rev. B, 71, 020402(R), (2005)

2004

  • N. B. Ivanova, N. V. Kazak, V. V. Markov, S. G. Ovchinnikov, V. V. Rudenko and M. M. Abd-Elmeguid
    Analysis of the Electrical and Optical Properties of VBO3 Single Crystals and Fe1-xVxBO3 Solid Solutions on the Basis of a Many-Electron Model of Energy Band Structure
    Phys. Solid State, 46, 1462, (2004)
  • M. M. Abd-Elmeguid, B. Ni, D. I. Khomskii, R. Pocha, D. Johrendt, X. Wang and K. Syassen
    Transition from Mott insulator to superconductor in GaNb4Se8 and GaTa4Se8 under high pressure
    Phys. Rev. Lett., 93, 126403, (2004)
  • R. Lengsdorf, M. Ait-Tahar, S.S. Saxena, M. Ellerby, D.I. Khomskii, H. Micklitz, T. Lorenz and M.M. Abd-Elmeguid
    Pressure-induced insulating state in (La,Sr)CoO3
    Phys. Rev. B, 69, 140403(R), (2004). arXiv:cond-mat/0504282 [PDF, 64 kB]
  • R. Lengsdorf, A. Barla, J. A. Alonso, M. J. Martinez-Lope, H. Micklitz and M. M. Abd-Elmeguid
    The observation of insulator-metal transition in EuNiO3 under high pressure
    J. Phys.: Condens. Matter, 16, 3355, (2004)
  • A. Barla, M. Chefki, C. Huhnt, M. Braden, O. Leupold, R. Rüffer, J. P. Sanchez, A. Mewis and M. M. Abd-Elmeguid
    Interplay between structural instability and lattice dynamics in EuRh2(PxAs1-x)2
    Phys. Rev. B, 69, 100102(R), (2004)
  • A. Barla, J. P. Sanchez, Y. Haga, G. Lapertot, B. P. Doyle, O. Leupold, R. Rüffer, M. M. Abd-Elmeguid, R. Lengsdorf and J. Flouquet
    Pressure-induced magnetic order in golden SmS
    Phys. Rev. Lett., 92, 066401, (2004)
  • A. Barla, J. P. Sanchez, Y. Haga, G. Lapertot, B. P. Doyle, O. Leupold, R.Rüffer, M. M. Abd-Elmeguid, R. Lengsdorf and J.Flouquet
    Pressure-induced magnetic order in golden SmS
    Phys. Rev. Lett., 92, 066401, (2004)

2003

  • A. D. Balaev, O. A. Bayukov, A. D. Vasil'ev, D. A. Velikanov, N. B. Ivanova, N. V. Kazak, S. G. Ovchinnikov, M. M. Abd-Elmeguid and V. V. Rudenko
    Magnetical and Electrical Properties of Fe1.91V0.09BO4 Warwickite
    JETP, 97, 989, (2003)
  • J. Plessel, M.M. Abd-Elmeguid, J.P. Sanchez, G. Knebel, C. Geibel, O. Trovarelli and F. Steglich
    Unusual behavior of the low moment magnetic ground state of YbRh2Si2 under high pressure
    Phys. Rev. B, 67, 180403(R), (2003)

2002

  • A. Barla, J.P. Sanchez, B. Ni, B.P. Doyle, P. Vulliet, O. Leupold, R. Rüffer, D. Kaczorowski, J. Plessel and M.M. Abd-Elmeguid
    Effect of pressure on the magnetic properties of U(In1-xSnx)3: Moment suppression in U(In0.6Sn0.4)3
    Phys. Rev. B, 66, 094425, (2002)
  • A. Grytsiv, P. Rogl, St. Berger, Ch. Paul, E. Bauer, C. Godart, B. Ni, M.M. Abd-Elmeguid, A. Saccone, R. Ferro and D. Kaczorowski
    Structure and physical properties of the thermoelectric Skutterudites EuyFe4-xCoxSb12
    Phys. Rev. B, 66, 094411, (2002)

2001

  • E. Bauer, St. Berger, A. Galatanu, M. Galli, H. Michor, G. Hilscher, Ch. Paul, B. Ni, M.M. Abd-Elmeguid, V.H. Tran, A. Grytsiv and P. Rogl
    Crystal structure and physical properties of Eu0.83Fe4Sb12
    Phys. Rev. B, 63, 224414, (2001)
  • J.P. Sanchez, P. Vulliet and M.M. Abd-Elmeguid
    Mössbauer investigation of the itinerant Magnets U(Ga0.98Sn0.02)3 and CeFe2
    Hyp. Interact., 133, 5, (2001)
  • B. Ni, M.M. Abd-Elmeguid, H. Micklitz, J.P. Sanchez, P. Vulliet and D. Johrendt
    Interplay between structural, electronic and magnetic instabilities in EuT2P2 (T = Fe, Co) under high pressure
    Phys. Rev. B, 63, 100102(R), (2001)

2000

  • J.P. Sanchez, P. Vulliet, M.M. Abd-Elmeguid and D. Kaczorowski
    Mössbauer investigations of 119Sn in U(Ga0.98Sn0.02)3 – relevance on the f-d hybridization in the itinerant antiferromagnet UGa3
    Phys. Rev. B, 62, 3839, (2000)
  • J.P. Sanchez and M.M. Abd-Elmeguid
    Pressure-induced magnetic phase transitions in Yb Kondo-Lattice Systems
    Hyp. Interact., 128, 137, (2000)
  • A. Barla, R. Rüffer, A.I. Chumakov, J. Metge, J. Plessel and M.M. Abd-Elmeguid
    Direct determination of the phonon density of states in β-Sn
    Phys. Rev. B, 61, R14881, (2000)
  • P. Bonville, B. Malaman, E.Ressouche, J. P. Sanchez, M. M. Abd-Elmeguid, C. Geibel and O. Trovarelli
    Persistence of a non-antiphase modulated magnetic structure to T → 0 in the heavy electron compound YbPtAl
    Europhys. Lett., 51, 427, (2000)
  • P. Bonville, M.M. Abd-Elmeguid, B. Malaman, E. Ressouche, J.P. Sanchez, C. Geibel and O. Trovarelli
    Incommensurate modulated magnetic structure in the heavy electron compound YbPtAl
    Physica B, 281&282, 144, (2000)

1999

  • H. Winkelmann, M.M. Abd-Elmeguid, H. Micklitz, J.P. Sanchez, P. Vulliet, K. Alami-Yardri and D. Jaccard
    Direct observation of magnetically ordered state in YbCu2Si2 under high pressure
    Phys. Rev. B, 60, 3324, (1999)

1998

  • H. Winkelmann, M.M. Abd-Elmeguid, H. Micklitz, J.P. Sanchez, C. Geibel and F. Steglich
    Pressure-induced local moment magnetism in the nonmagnetic heavy fermion compound Yb2Ni2Al
    Phys. Rev. Lett., 81, 4947, (1998)
  • A.I. Chumakov, A. Barla, R. Rüffer, J. Metge, H.F. Grünsteudel, J. Plessel, H. Winkelmann and M.M. Abd-Elmeguid
    Nuclear inelastic scattering of synchrotron radiation by 119Sn
    Phys. Rev. B, 58, 254, (1998)
  • H. Micklitz, M. M. Abd-Elmeguid and B. Büchner
    Reply to Comment on 'Tilting of the CuO6 octahedra in the La1.83Eu0.17SrxCuO4 as seen by 151Eu Mössbauer spectroscopy'
    Phys. Rev. B, 57, 8036, (1998)
  • M. M. Abd-Elmeguid
    High pressure Mössbauer studies on Yb heavy fermion compounds
    Hyp. Interact., 113, 111, (1998)
  • K. Drescher, M.M. Abd-Elmeguid, H. Micklitz, J.P. Sanchez, C. Geibel and F. Steglich
    Magnetic frustration in the antiferromagnetic Kondo lattice YbPtAl: Anomalous magnetic behavior at high pressures
    J. Magn. Magn. Mater., 182, 275, (1998)
  • M. Chefki, M.M. Abd-Elmeguid, H. Micklitz, C. Huhnt, W. Schlabitz, M. Reehuis and W. Jeitschko
    Pressure-induced transition of the sublattice magnetization in EuCo2P2: change from the local moment Eu(4f) to itinerant Co(3d)-magnetism
    Phys. Rev. Lett., 80, 802, (1998)

1997

  • S. Wiese, E. Gamper, H. Winkelmann, B. Büchner, M.M. Abd-Elmeguid, H. Micklitz and T. Takabatake
    Enhanced 119Sn Mössbauer quadrupole interactions below the magnetic phase transition of UPt2Sn
    Physica B, 230-232, 95, (1997)

1996

  • K. Drescher, M.M. Abd-Elmeguid, H. Micklitz and J.P. Sanchez
    Competing Anisotropies in the Ferromagnetic Kondo-Lattice Compound YbNiSn: Observation of a Complex Magnetic Ground State under High Pressure
    Phys. Rev. Lett., 77, 3228, (1996)
  • R.G. Kulkarni, M.M. Abd-Elmeguid, S.Bukspan, K. Milants, J. Verheyden and H. Pattyn
    On the pressure dependence of the Grüneisen parameter and Debye temperature for CsI crystals
    Phys. Stat. Sol. B, 193, 335, (1996)
  • C. Friedrich, B. Büchner, M.M. Abd-Elmeguid and H. Micklitz
    Tilting of the CuO6 octahedra in the La1.83Eu0.17SrxCuO4 as seen by 151Eu Mössbauer spectroscopy
    Phys. Rev. B, 54, R800, (1996)
  • G. Michels, M. Roepke, M. Chefki, Th. Niemöller, H. Micklitz, M.M. Abd-Elmeguid, E. Holland-Moritz, W. Schlabitz, C. Huhnt, B. Büchner, A. Wurth, A. Mewis and V. Kataev
    Anomalous valence state of Eu and magnetic order in EuRh2P2
    J. Phys.: Condens. Matter, 8, 4055, (1996)
  • K. Drescher, M.M. Abd-Elmeguid, J.P. Sanchez and C. Meyer
    On the stability of the ferromagnetic state of the Kondo-Lattice YbNiSn under high pressure
    J. Phys.: Condens. Matter, 8, L65, (1996)

1995

  • C.L. Yang, M.M. Abd-Elmeguid, H. Micklitz, G. Michels, J.W. Otto, K. Kong, D.S. Xue and F.S. Li
    Pressure effect on the electronic properties and the magnetic ground state of γ'-Fe4N
    J. Magn. Magn. Mater., 151, L19, (1995)
  • F. Li, Y. Kong, R. Zhou, C.L.Yang, M.M. Abd-Elmeguid, G. Michels, H. Micklitz and J.W. Otto
    Electronic and magnetic properties of the ferromagnetic γ'-Fe4N under high pressure
    Solid State Commun., 95, 753, (1995)
  • G. Michels, C. Huhnt, W. Scharbrodt, W. Schlabitz, E. Holland-Moritz, M.M. Abd-Elmeguid and A. Mewis
    Temperature und pressure driven valence change in ternary Eu-Pnictides
    Physica B, 206-207, 408, (1995)
  • H. Pattyn, M.M. Abd-Elmeguid, S. Bukshpan, K. Milants and J. Verheyden
    Pressure effects in electron charge densities and lattice dynamics in CsCl and CsI
    Phys. Rev. B, 51, 10357, (1995)
  • K. Drescher and M.M. Abd-Elmeguid
    Disappearence of spin fluctuations in YMn2 under very high pressure
    Physica B, 206-207, 14, (1995)
  • M.M. Abd-Elmeguid
    133Cs high pressure Mössbauer spectroscopy: a new powerful tool for studying charge transfer and lattice dynamics in metallic Cs
    Hyp. Interact., 95, 265, (1995)
  • G. Michels, C. Huhnt, W. Scharbrodt, W. Schlabitz, E. Holland-Moritz, M.M. Abd-Elmeguid and H. Micklitz
    Temperature-induced valence instabilities in ternary Eu-Pnictides: A comprehensive view
    Z. Phys. B, 98, 75, (1995)

1994

  • A. Block, M.M. Abd-Elmeguid and H. Micklitz
    Nature of pressure-induced magnetic phase transition in the itinerant-electron antiferromagnet YMn2: A microscopic view
    Phys. Rev. B, 49, 12365 (Rapid Commun.), (1994)
  • M.M. Abd-Elmeguid, H. Pattyn and S. Bukshpan
    Microscopic observation of the s → d transition in metallic Cesium under high pressure
    Phys. Rev. Lett., 72, 502, (1994)
  • F. Li, J. Sun, C.L. Yang, R. Zhou, B. Shen, H. Micklitz and M.M. Abd-Elmeguid
    57Fe high pressure Mössbauer and x-ray studies of Gd2Fe17Cx interstitial compounds
    Hyp. Interact., 94, 1959, (1994)
  • G. Michels, S. Junk, W. Schlabitz, E. Holland-Moritz, M.M. Abd-Elmeguid, J. Dünner and A. Mewis
    Final-state effects in divalent Eu Pnictides
    J. Phys.: Condens. Matter, 6, 1769, (1994)

Theses

2010

  • M. K. Forthaus
    Pressure-induced unusual ground states in selected correlated electron systems
    PhD thesis, Universität zu Köln, (2010)

2009

  • M. A. Ahmida
    EuCu2(Ge1-xSix)2: A Model System to Study Charge Fluctuations across a Quantum Phase Transition
    PhD thesis, Universität zu Köln, (2009)

2006

  • M. K. Forthaus
    Untersuchungen der elektronischen und strukturellen Eigenschaften von GaMo4Se8 und TiOCl unter hohem Druck
    Diploma thesis, Universität zu Köln, (2006)

2005

  • A. Schneider
    Hochdruckuntersuchungen an GaV4S8
    Diploma thesis, Universität zu Köln, (2005)
  • P. Schützendorf
    Hochdruckuntersuchungen an EuBaCo2O5.5 und TbBaCo2O5.5
    Diploma thesis, Universität zu Köln, (2005)
  • R. Lengsdorf
    Interplay between Transport, Magnetism, and Structural Properties of Transition Metal Oxides under High Pressure
    PhD thesis, Universität zu Köln, (2005), http://kups.ub.uni-koeln.de/frontdoor.php?source_opus=1623

2003

  • R. Lengsdorf
    Untersuchungen der elektronischen und magnetischen Eigenschaften von La1-xSrxCoO3 unter hohem Druck
    Diploma thesis, Universität zu Köln, (2003)

2002

  • A. Aksungur
    Untersuchung magnetischer Eigenschaften von UNiSn unter hohem Druck mit Hilfe der 119Sn kernresonanten Streuung von Synchrotronstrahlung
    Diploma thesis, Universität zu Köln, (2002)
  • J. Plessel
    Hochdruckuntersuchungen an Yb-Kondo-Gitter-Systemen in der Nähe einer magnetischen Instabilität
    PhD thesis, Universität zu Köln, (2002)
  • B. Ni
    Druckinduzierte Supraleitung in den halbleitenden Metall-Clusterverbindungen Ga(Ta, Nb)4 (Se, S)8
    PhD thesis, Universität zu Köln, (2002)

2001

  • M. Ait-Tahar
    Elektrische Widerstandsmessungen an La0.82Sr0.18CoO3 unter hohem Druck und im externen Magnetfeld
    Diploma thesis, Universität zu Köln, (2001)
  • E. Benmessaoud
    Hochdruckexperimente bis zu 1Mbar mit Hilfe einer neuen Diamantstempelzelle
    Diploma thesis, Universität zu Köln, (2001)
  • M. Benomar
    Richtungsabhängige elektrische Widerstandsmessungen an Sr2.5Ca11.5Cu24O4 unter Druck und im externen Magnetfeld
    Diploma thesis, Universität zu Köln, (2001)

2000

  • A. Barla
    Development of 119Sn Nuclear Resonance Scattering of Synchrotron Radiation and First Applications
    PhD thesis, Universität zu Köln, (2000)

1998

  • J. Plessel
    Magnetische Eigenschaften von UNiSn und YbRhAl unter hohem Druck
    Diploma thesis, Universität zu Köln, (1998)
  • B. Ni
    Untersuchung der druckinduzierten Phasenübergänge in EuCo2P2 und EuFe2P2 mittels elektrischer Widerstandsmessungen und 151Eu-Mößbauerspektroskopie
    Diploma thesis, Universität zu Köln, (1998)
  • M. Chefki
    Untersuchungen von Eu-Verbindungen mit ungewöhnlichen Valenzzuständen mit Hilfe der 151Eu-Hochdruck-Mößbauerspektroskopie
    PhD thesis, Universität zu Köln, (1998)
  • H. Winkelmann
    Druckinduzierte magnetische Ordnung in unmagnetischen hochkorrelierten Yb-Verbindungen
    PhD thesis, Universität zu Köln, (1998)

1997

  • B. Samwer
    Aufbau einer Hochdruckzange zur Untersuchung physikalischer Eigenschaften von Festkörpern unter Drücken bis 15 GPa
    Diploma thesis, Universität zu Köln, (1997)

1996

  • K. Drescher
    Hochdruckexperimente an den magnetisch ordnenden Kondo-Gitter-Verbindungen YbNiSn und YbPtAl
    PhD thesis, Universität zu Köln, (1996)