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Stephan Rosenkranz

Sr. Group Leader, Sr. Physicist



  • 1996 Ph.D Physics, ETH Zurich
  • 1992 Diploma in experimental physics (cum laude), ETH Zurich

Professional Experiences

  • 09/11 - present: Group Leader, Neutron and X-ray Scattering,
                               Argonne National Laboratory
  • 03/15 - present: Senior Physicist, Argonne National Laboratory
  • 12/05 - 03/15: Physicist, Argonne National Laboratory
  • 4/02 - 12/05:   Assistant Physicist, Argonne National Laboratory
  • 4/02 - 12/03:   Research Assistant Professor, University of Illinois Chicago
  • 01/00 - 04/02: Post-Doctoral Fellow, University of Illinois Chicago
  • 10/96 - 01/00:  Post Doctoral Associate, Argonne National Laboratory
  • 10/94 - 09/95: Visiting Scientist, ISIS, Rutherford Appleton Labs, U.K.
  • 11/92 - 10/96:   Assistant, Laboratory for Neutron Scattering,
                             ETH Zurich & Paul Scherrer Institute, Switzerland.

Honors & Awards

  • 2018 Fellow, Neutron Scattering Society of America
  • 2013 Fellow, American Physical Society
  • 2006 University of Chicago Distinguished Performance Award
  • 2000 Fellowship for Advanced Researchers, Swiss National Science Foundation
  • 1997 Medal of the ETH Zurich
  • 1992 Pólya-prize, Department Physics, ETH Zurich

Professional Activities

  • Co-Director, National School on Neutron and X-ray Scattering, ANL & ORNL, 2018 - present
  • Graduate Faculty Scholar, Department of Physics, Northern Illinois University, 2015 - present
  • President, Neutron Scattering Society of America, 2013 -2016.
  • Program Co-Chair, ACNS Conference, Washington DC, June 24-28, 2012.
  • Chair, Executive Committee, NIST Center for Neutron Research (NCNR) User Group, 2008-2009.
  • Vice-Chair, Executive Committee, NCNR User Group, 2006-2007.
  • Member, Inelastic X-ray Scattering Proposal Review Panel, APS, Argonne, 2014 - 2016.
  • Member, Condensed Matter Proposal Review Panel, Advanced Photon Source, Argonne, 2012 - 2014.
  • Member, Neutron Scattering Science Review Committee, SNS, Oak Ridge National Laboratory, 2010 - 2012, 2014 - 2016.
  • Member, Beamtime Allocation Committee, NCNR, 2007 – 2016.
  • Member, Review Committee for Directors LDRD programs, Argonne 2006-2009.
  • Member, Program Committee, American Conference on Neutron Scattering, 2008.
  • Co-Organizer, Workshop on Competing Interactions and Colossal Responses in Transition Metal Compounds”, Telluride, CO, 2009 & 2011.
  • Co-Organizer, Focus Topic Complex Oxides”, March Meeting 2008.
  • Co-Organizer, Workshop on Diffuse Neutron Scattering at Pulsed Sources”, Argonne, 2003.
  • Chair, local organization committee, Sixth International Conference on Spectroscopies of Novel Superconductors, Chicago, May 13 – 17, 2001.
  • Principal Investigator for the Corelli instrument, Spallation Neutron Source, Oak Ridge National Laboratory.

Selected Publications

(Full list of Publications on Research ID )

  • The Relation of Local Order to Material Properties in Relaxor Ferroelectrics
    M.J. Krogstad, P.M. Gehring, S. Rosenkranz, R. Osborn, F. Ye, Y. Liu, J.P.C. Ruff, W. Chen, J.M. Wozniak, H. Luo, O. Chmaissem, Z.-G. Ye, D. Phelan
    Nature Materials 17, 718 - 724 (2018)
  • Coherent band excitations in CePd3: A comparison of neutron scattering and ab-initio theory
    E.A. Goremychkin, Howon Park, R. Osborn, S. Rosenkranz, J.-P. Castellan, V.R Fanelli, A.D. Christianson, M.B. Stone, E.D. Bauer, K.J. McClellan, D.D. Byler, J.M. Lawrence
    Science  359, 186 - 191 (2018)
  • Observation of a Charge Density Wave Incommensuration Near the Superconducting Dome in CuxTiSe2
    A. Kogar, G.A. de La Pena, Sangjun Lee, Y. Fang, S.X.-L. Sun, D.G. Lioi, G. Karapetrov, K.D. Finkelstein, J.P.C. Ruff, P. Abbamonte, S. Rosenkranz
    Phys. Rev. Lett. 118, 027002 (2017)
  • Double-Q spin density wave in iron arsenide superconductors
    J.M. Allred, K.M. Taddei, D.E. Bugaris, M.J. Krogstad, S.H. Lapidus, D.Y. Chung, H. Claus, M.G. Kanatzidis, D.E. Brown, J. Kang, R.M. Fernandes, I. Eremin, S. Rosenkranz, O. Chmaissem, R. Osborn
    Nature Physics 12, 493 (2016)
  • Emergence of Coherence in the Charge Density Wave State of 2H-NbSe2
    U. Chatterjee, J. Zhao, M. Iavarone, R. DiCapua, J.-P. Castellan, G. Karapetrov, C. D. Malliakas, M. G. Kanatzidis, H. Claus, J.P.C. Ruff, F. Weber, J. van Wezel, J.C. Campuzano, R. Osborn, M. Randeria, N. Trivedi, M.R. Norman, S. Rosenkranz
    Nature Comm. 6:6313 (2015)
  • Magnetically driven suppression of nematic order in an iron-based superconductor
    S. Avci, O. Chmaissem, J. M. Allred, S. Rosenkranz, I. Eremin, A. V. Chubukov, D.E. Bugaris, D.Y. Chung, M. G. Kanatzidis, J.-P. Castellan, J. A. Schlueter, H. Claus, D. D. Khalyavin, P. Manuel, A. Daoud-Aladine, R. Osborn
    Nature Comm. 5:3845 (2014)
  • Electron-Phonon coupling in the conventional superconductor YNi2B2C at high phonon energies studied by time-of-flight neutron spectroscopy
    F. Weber, S. Rosenkranz, L. Pintschovius, J.P. Castellan, R. Osborn, W. Reichardt, R. Heid, K.-P. Bohnen, E.A. Goremychkin, A. Kreyssig, K. Hradil, D.L. Abernathy
    Phys. Rev. Lett. 109, 057001 (2012)
  • High Contrast X-ray Speckle from Atomic-Scale Order in Liquids and Glasses
    S.O. Hruszkewycz, M. Sutton, P.H. Fuoss, B. Adams, S. Rosenkranz, K.F. Ludwig Jr., W. Roseker, D. Fritz, M. Cammarata, D. Zhu, S. Lee, H. Lemke, C. Gutt, A. Robert, G. Grüebel, G.B. Stephenson
    Phys. Rev. Lett. 109, 185502 (2012) 
  • Extended Phonon Collapse and the Origin of the Charge-Density Wave in 2H-NbSe2
    F. Weber, S. Rosenkranz, J.-P. Castellan, R. Osborn, R. Hott, R. Heid, K.-P. Bohnen, T. Egami, A.H. Said, D. Reznik
    Phys. Rev. Lett. 107, 107403 (2011)
  • Unconventional superconductivity in Ba0.6K0.4 Fe2As2 from inelastic neutron scattering
    A.D. Christianson, E.A. Goremychkin, R. Osborn, S. Rosenkranz, M.D. Lumsden, C.D. Malliakas, I.S. Todorov, H. Claus, D.Y. Chung, M.G. Kanatzidis, R.I. Bewley, T. Guidi
    Nature 456, 930 (2008)
  • Corelli: Efficient single crystal diffraction with elastic discrimination
    S. Rosenkranz and R. Osborn
    PRAMANA J. of Physics 71, 705 (2008)
  • Microscopic annealing process and its impact on superconductivity in T’-structure electron-doped copper oxides
    H.J. Kang, P. Dai, B.J. Campbell, P.J. Chupas, S. Rosenkranz, P.L. Lee, Q. Huang, S. Li, S. Komiya, and Y. Ando
    Nature Materials 6, 224 (2007)
  • Nanomagnetic Droplets and Implications to Orbital Ordering in La1-xSrxCoO3
    D. Phelan, Despina Louca, S. Rosenkranz, S.-H. Lee, Y. Qiu, P.J. Chupas, R. Osborn, H. Zheng, J.F. Mitchell, J.R.D. Copley, J.L. Sarrao, and Y. Moritomo
    Phys. Rev. Lett. 96, 027201 (2006)
  • Spontaneous breaking of time-reversal symmetry in the pseudogap state of a high-Tc superconductor
    A. Kaminski, S. Rosenkranz, H.M. Fretwell, J.C. Campuzano, Z.Z. Li, H. Raffy, W.G. Cullen, H. You, C.G. Olson, C.M. Varma, H. Hochst
    Nature 416, 610 (2002)
  • Charge melting and polaron collapse in La1.2Sr1.8Mn2O7
    L. Vasiliu-Doloc, S. Rosenkranz, R. Osborn, S.K. Sinha, J.W. Lynn, J. Mesot, O.H. Seeck, G. Preosti, A.J. Fedro, J.F. Mitchell
    Phys. Rev. Lett. 83, 4393 (1999)
  • Ising pyrochlore magnets, Low temperature properties, ice rules and beyond
    R. Siddharthan, B.S. Shastry, A.P. Ramirez, A. Hayashi, R.J. Cava, S. Rosenkranz
    Phys. Rev. Lett. 83, 1854 (1999)