Personal Information

NameMarc Janoschek
Marital Statusmarried
Professional Address

Los Alamos National Laboratory,

Condensed Matter & Magnet Science Group

P.O. Box 1663, Mail Stop K764,

Los Alamos, NM 87545, USA

Private Address

1919 San Ildefonso Road,

Santa Fe, NM 87505, USA
Phone+1 505 695 4400


2008 Dr. rer. nat. (“summa cum laude”) at Technische Universität München Thesis title: 'Investigation of the chiral magnets NdFe3(11BO3)4 and MnSi by means of neutron scattering'
2004 Dipl. Phys. Univ. (equivalent to MSc) at Technische Universität München Thesis title: 'MuPAD - 3D Polarization Analysis in Magnetic Neutron Scattering
1998German Abitur at Immanuel-Kant Gymnasium in Tuttlingen, Germany

Professional Experience

2016-nowHans Fischer fellow at the Institute for Advanced Study at Technische Universität München (TUM-IAS) in Munich, Germany, where I lead the focus group Quantum Matter together with Prof. Christian Pfleiderer.
2011-nowStaff Scientist at Condensed Matter & Magnet Science (MPA-CMMS), Los Alamos National Laboratory, Los Alamos, NM, USA (Capability Leader for Neutron Scattering)
2009-2011Feodor-Lynen Postdoctoral Fellow at University of California, San Diego, Prof. M. Brian Maple's group
2009-2011Postdoc Universität zu Köln, Prof. Markus Braden's group, design of the new polarized tree-axis spectrometer KOMPASS at FRM II
2005-2008Ph.D. student at Paul Scherrer Institut, Villigen-PSI, Switzerland and Technische Universität München, Germany
2003-2004Diploma student at Institute Laue Langevin, Grenoble, France
1998-1999Alternate civilian service


2016 Los Alamos National Laboratory Fellows Prize for Research
2016Hans Fischer Fellow at the Institute for Advanced Study at Technische Universität München (TUM-IAS). Together with Prof. Christian Pfleiderer, I lead the focus group Quantum Matter at TUM-IAS.
2015Los Alamos National Laboratory Small Team Distinguished Performance Award for discovering the elusive magnetism in plutonium metal.
2014Wolfram-Prandl Award for “pioneering studies of the spin dynamics in chiral helimagnets and the development of a cryogen-free apparatus for spherical neutron polarimetry”
2011LANL LDRD Early-career research funding for project “Valence-Fluctuation-Mediated Superconductivity in Heavy-Fermion Materials” (250k$/yr, Oct 2011-Sep 2013)
2009Feodor Lynen Fellow of the Alexander v. Humboldt foundation
2004Scholarship, German Academic Exchange Service (DAAD)
2003Scholarship, Centre de Coopération Universitaire Franco-Bavarois
2002Scholarship, Office Franco-Allemand pour la Jeunesse

Professional & Synergistic Activities

  • Member of the advisory board for the LANL Seaborg Institute.
  • Member of the young investigator advisory board for Oak Ridge National Laboratory’s Quantum Condensed Matter Division.
  • Member of the Zeemans Instrument Advisory Team (ZIAT) at Oak Ridge National Laboratory.
  • Reviewer for Office of Basic Energy Sciences (BES) within the Department of Energy.
  • Reviewer for Condensed Matter Physics Program of the National Science Foundation (NSF), Division of Materials Research.
  • Reviewer for Deutsche Forschungsgemeinschaft (DFG, German Research Foundation).
  • Member of the Science Review Committee of Oak Ridge National Laboratory Neutron Sciences Directorate (reviews beam time proposals for HFIR and SNS neutron sources).
  • Co-Chair for the Defects and Interfaces Category for the Laboratory Directed Research and Development Program at Los Alamos National Laboratory.
  • Consultant for the project “Advanced Neutron Spin Manipulation Technology“ at Indiana University, Bloomington, IN funded by the National Science Foundation(IMR-MIP).
  • Chaired the organization committee for the workshop “Correlated Electron Physics in a New Lab and Unveiling of the New Quantum Design PPMS Dynacool,” at the University of California, San Diego, June 25, 2010.
  • Member of the committee responsible for the scientific program for the symposium “Advanced Techniques at PSI Large Facilities” within the PSI Users’ Meeting on October 12 and 13, 2009 (JUM@P 2009).
  • Referee for various scientific journals (Nature journals, Phys. Rev. Lett., Phys. Rev. B, PNAS, ACS Nanoletters, Applied Physics Letters, J. Phys.: Condens. Matter, Journal of Applied Crystallography, Nucl. Instrum. Methods Phys. Res. Sect. A, …)

Professional Membership

  • Deutsche Physikalische Gesellschaft
  • American Physical Society
  • Swiss Neutron Scattering Society
  • Neutron Scattering Society of America


  1. Versatile Strain-Tuning of Modulated Long-Period Magnetic Structures, Appl. Phys. Lett. 110, 192409 (2017), D. M. Fobes, Yongkang Luo, N. Leon-Brito, E. D. Bauer, V. R. Fanelli, M. A. Taylor, L. M. Debeer-Schmitt, M. Janoschek
  2. Low temperature magnetic structure of CeRhIn5 by neutron diffraction on absorption-optimized samples, J. Phys.: Condens. Matter 29, 17LT01 (2017), D. M. Fobes, E. Bauer, J. D. Thompson, A. Sazonov, V. Hutanu, S. Zhang, , F. Ronning, M. Janoschek

    This article was highlighted in the JPhys+ physics blog.
  3. Oxygen Vacancy-Tuned Physical Properties in Perovskite Thin Films with Multiple B-site Valance States, Scientific Reports 7, 46184 (2017), E. Enriquez, A. Chen, Z. Harrell, P. Dowden, N. Koskelo, J. Roback, M. Janoschek, C.Chen, and Q. Jia
  4. Relevance of Kondo physics for the temperature dependence of the bulk modulus in plutonium, PNAS 114, E268 (2017), M. Janoschek, G. Lander, J. M. Lawrence, E. D. Bauer, J. C. Lashley, M. Lumsden, D. L. Abernathy, and J. D. Thompson
  5. Quantum critical scaling in the disordered itinerant ferromagnet UCo1-xFexGe, Phys. Rev. Lett. 117, 237202 (2016), K. Huang, S. Eley, P. F. S. Rosa, L. Civale, E. D. Bauer, R. E. Baumbach, M. B. Maple, and M. Janoschek
  6. Oxygen Vacancy-Driven Evolution of Structural and Electrical Properties in SrFeO3-δ Thin Films and a Method of Stabilization, Applied Physics Letters 109, 141906 (2016), E. Enriquez, A. Chen, Z. Harrell, X. Lu, P. C. Dowden, N. A. Koskelo, M. Janoschek, C. Chen, and Q. Jia
  7. Emergence of higher order rotational symmetry in the hidden order phase of URu2Si2, Phil. Mag. 97:2, 144-154 (2017), N. Kanchanavatee, M. Janoschek, K. Huang, B. D. White, P. S. Riseborough, A.V. Balatsky, and M. B. Maple
  8. Physical properties of the Ce2MAl7Ge4 heavy-fermion compounds (M=Co, Ir, Ni, Pd), Phys. Rev. B 93, 205141 (2016), N. J. Ghimire, S. K. Cary, S. Eley, N. A. Wakeham, P. F. S. Rosa, T. Albrecht-Schmitt, M. Janoschek, C. M. Brown, L. Civale, J. D. Thompson, F. Ronning and E. D. Bauer
  9. Electronic correlation and magnetism in the ferromagnetic metal Fe3GeTe2, Phys. Rev. B 93, 144404 (2016), Jian-Xin Zhu, M. Janoschek, D. S. Chaves, J. C. Cezar, T. Durakiewicz, F. Ronning,Y. Sassa, M. Mansson, B. L. Scott, N. Wakeham, Eric D. Bauer, and J. D. Thompson
  10. Frustrated magnetism in the spin-chain metal Yb2Fe12P7, J. Phys.: Condens. Matter 28, 046004 (2016), R. E. Baumbach, J. J. Hamlin, M. Janoschek, J. Singleton, and M. B. Maple
  11. Electrodynamics of the antiferromagnetic phase in URu2Si2, Phys. Rev. B 92, 195111 (2015), J. S. Hall, M. Rahimi Movassagh, M. N. Wilson, G. M. Luke, N. Kanchanavatee, K. Huang, M. Janoschek, M. B. Maple, and T. Timusk.
  12. Band structure of helimagnons in MnSi resolved by inelastic neutron scattering, Phys. Rev. Lett. 115, 097203 (2015), M. Kugler, G. Brandl, R. Georgii, K. Seemann, M. Janoschek , J. Waizner, M. Garst, A. Rosch, C. Pfleiderer, and P. Böni.
  13. The Valence-Fluctuating Ground State of Plutonium, Science Advances 1, e1500188 (2015), M. Janoschek, Pinaki Das, B. Chakrabarti, D. L. Abernathy, M. D. Lumsden, J. M. Lawrence, J. D. Thompson, G. H. Lander, J. N. Mitchell, S. Richmond, M. Ramos, F. Trouw, J.-X. Zhu, K. Haule, G. Kotliar, E. D. Bauer

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  14. Magnetic structure of the antiferromagnetic Kondo lattice compounds CeRhAl4Si2 and CeIrAl4Si2, J. Phys.: Condens. Matter 27, 245603 (2015), N. Ghimire, S. Calder, M. Janoschek and E. D. Bauer
  15. Chemical pressure tuning of URu2Si2 via isoelectronic substitution of Ru with Fe, Phys. Rev. B 91, 085122 (2015), Pinaki Das, N. Kanchanavatee, J. S. Helton, K. Huang, R. E. Baumbach, E. D. Bauer, B. D. White, V. W. Burnett, M. B. Maple, J. W. Lynn, and M. Janoschek
  16. Symmetry and correlations underlying hidden order in URu2Si2, Phys. Rev. B 91, 035128 (2015), N. P. Butch, M. E. Manley, J. R. Jeffries, M. Janoschek, K. Huang, M. B. Maple, A. H. Said, B. M. Leu, and J. W. Lynn
  17. The Ground State Wavefunction of Plutonium in PuSb as determined via X-ray Magnetic Circular Dichroism, Phys. Rev. B 91, 035117 (2015), M. Janoschek, D. Haskel, J. Fernandez-Rodriguez, M. van Veenendaal, J. Rebizant, G. H. Lander, J.-X. Zhu, J. D. Thompson, and E. D. Bauer

    Argonne National Laboratory Highlight
  18. Magnitude of the magnetic exchange interaction in the heavy-fermion antiferromagnet CeRhIn5, Phys. Rev. Lett. 113, 246403 (2014),Pinaki Das, S.-Z. Lin, N. J. Ghimire, K. Huang, F. Ronning, E. D. Bauer, J. D. Thompson, C. D. Batista, G. Ehlers, and M. Janoschek
  19. Resolution of the discrepancy between the variation of the physical properties of Ce1-xYbxCoIn5 single crystals and thin films with Yb composition, Phil. Mag. 94, 4219 (2014), S. Jang, B. D. White, I. K. Lum, H. Kim, M. A. Tanatar, W. E. Straszheim, R. Prozorov, T. Keiber, F. Bridges, L. Shu, R. E. Baumbach, M. Janoschek, and M. B. Maple
  20. Crossover between Fermi liquid and non-Fermi liquid behavior in the non-centrosymmetric compound Yb2Ni12P7, J. Phys.: Condens. Matter 26, 425601 (2014), S. Jang, B. D. White, P.-C. Ho, N. Kanchanavatee, M. Janoschek, J. J. Hamlin and M. B. Maple
  21. Critical spin-flip scattering at the helimagnetic transition of MnSi, Phys. Rev. B 89, 180408 (2014) (Rapid Communications), J. Kindervater, W. Haussler, M. Janoschek, C. Pfleiderer, P. Boeni, and M. Garst (Editor’s suggestion!!!)
  22. Correlated approach to magnetocrystalline anisotropy of strong magnets, Phys. Rev. X 4, 021027 (2014), J.-X. Zhu, M. Janoschek, F. Ronning, J. D. Thompson, M. A. Torrez, E. D. Bauer, and C. D. Batista
  23. Probing the superconductivity of PrPt4Ge12 through Ce substitution, Phys. Rev. B 89, 035145 (2014), K. Huang, L. Shu, I. K. Lum, B. D. White, M. Janoschek, D. Yazici, J. J. Hamlin, D. A. Zocco, P.-C. Ho, R. E. Baumbach, and M. B. Maple
  24. Hybridization-driven orthorhombic lattice instability in URu2Si2, Phys. Rev. B 88, 195150 (2013), T. Yanagisawa, S. Mombetsu, H. Hidaka, H. Amitsuka, M. Akatsu, S. Yasin, S. Zherlitsyn, J. Wosnitza, K. Huang, M. Janoschek, and M.B. Maple
  25. Yb valence change in Ce1-xYbxCoIn5 from spectroscopy and bulk properties, Phys. Rev. B 88, 165118 (2013), L. Dudy, J. D. Denlinger, L. Shu, M. Janoschek, J. W. Allen, and M.B. Maple (Editor’s suggestion!!!)
  26. Nuclear magnetic resonance studies of pseudospin fluctuations in URu2Si2, Phys. Rev. B 88 094436 (2013), K. R. Shirer, J. T. Haraldsen, A. P. Dioguardi, J. Crocker, N. Roberts-Warren, A. C. Shockley, C.-H. Lin, D. M. Nisson, J. C. Cooley, M. Janoschek, Kevin Huang, Noravee Kanchanavatee, M. B. Maple, M. J. Graf, A. V. Balatsky, and N. J. Curro
  27. Absence of a static in-plane magnetic moment in the hidden-order phase of URu2Si2, New J. Phys. 15, 053031 (2013), P. Das, R. E. Baumbach, K. Huang, M. B. Maple, Y. Zhao, J. S. Helton, J. W. Lynn, E. D. Bauer, and M. Janoschek
  28. Non-Fermi liquid regimes with and without quantum criticality in Ce1-xYbxCoIn5, PNAS 110, 7160 (2013), T. Hu, Y. P. Singh, L. Shu, M. Janoschek, M. Dzero, M. B. Maple, and C. C. Almasan
  29. Fluctuation-induced first-order phase transition in Dzyaloshinskii-Moriya helimagnets, Phys. Rev B 87, 134407 (2013), M. Janoschek, M. Garst, A. Bauer, P. Krautscheid, R. Georgii, P. Boni, and C. Pfleiderer
  30. Ferromagnetic quantum critical point in UCo1-xFexGe, Phys. Rev B 87, 054513 (2013), K. Huang, J. J. Hamlin, R. E. Baumbach, M. Janoschek, N. Kanchanavatee, D. A. Zocco, F. Ronning, and M. B. Maple
  31. Thermoelectric Properties of Correlated Electron Systems Ln3Pt4Ge6 and LnPt4Ge12 (Ln = Ce, Pr) and Non-centrosymmetric X2T12P7 (X = Yb, Hf and T = Fe, Co), Book Chapter in New Materials for Thermoelectric Applications: Theory and Experiment (NATO Science for Peace and Security Series B: Physics and Biophysics), Editors V. Zlatic and A. E. Hewson, 2013, pp. 31-43, B. D. White, M. Janoschek, N. Kanchanavatee, K. Huang, L. Shu, S. Jang, D. Y. Tutun, J. J. Hamlin, I. K. Lum, R. E. Baumbach, and M. B. Maple
  32. Insensitivity of the pressure dependences of characteristic energy scales in Ce1-xRxCoIn5 (R = Yb, Y, Gd) to the electronic configuration of the rare-earth ion, Phys. Rev. B 86, 100502(R) (2012), B. D. White, J. J. Hamlin, K. Huang, L. Shu, I. K. Lum, R. E. Baumbach, M. Janoschek, and M. B. Maple (Editor’s suggestion!!!)
  33. Superconductivity, spin and charge order, and quantum criticality in correlated electron materials, EPJ Web of Conferences 23, 00012 (2012), M. B. Maple, J. J. Hamlin, D. A. Zocco, M. Janoschek, R. E. Baumbach, B. D. White, I. R. Fisher and J.-H. Chu
  34. Transport, magnetic, and thermal properties of non-centrosymmetric Yb2Co12P7, Phil. Mag. 92, 647 (2012), J. J. Hamlin, M. Janoschek, R. E. Baumbach, B. D. White, and M. B. Maple
  35. Twofold enhancement of the hidden-order/large-moment antiferromagnetic phase boundary in the URu2-xFexSi2 system, Phys. Rev. B 84, 245122 (2011), N. Kanchanavatee, M. Janoschek, R. E. Baumbach, J. J. Hamlin, D. A. Zocco, K. Huang and M. B. Maple
  36. Correlated electron state in Ce1-xYbxCoIn5 stabilized by cooperative valence fluctuations, Phys. Rev. Lett. 106, 156403 (2011), L. Shu, R. E. Baumbach, M. Janoschek, E. Gonzales, K. Huang, T. A. Sayles, J. Paglione, J. O’Brien, J. J. Hamlin, D. A. Zocco, P.-C. Ho, C. A. McElroy, and M. B. Maple
  37. Search for pressure-induced superconductivity in CeFeAsO and CeFePO iron pnictides, Phys. Rev. B 83, 094528 (2011), D. A. Zocco, R. E. Baumbach, J. J. Hamlin, M. Janoschek, I. K. Lum, M. A. McGuire, A. S. Sefat, B. C. Sales, R. Jin, D. Mandrus, J. R. Jeffries, S. T. Weir, Y. K. Vohra, and M. B. Maple
  38. Magnetic, thermal, and transport properties of the actinide based noncentrosymmetric compounds Th2Fe12P7 and U2Fe12P7, J. Phys.: Condens. Matter 23, 094222 (2011) (special issue SCES 2010), R. E. Baumbach, J. J. Hamlin, M. Janoschek, I. K. Lum, and M. B. Maple
  39. The non-centrosymmetric heavy fermion ferromagnet Sm2Fe12P7, J. Phys.: Condens. Matter 23, 094221 (2011) (special issue SCES 2010), M. Janoschek, R. E. Baumbach, J. J. Hamlin, I. K. Lum, and M. B. Maple
  40. Non-Fermi Liquid Regimes and Superconductivity in the Low Temperature Phase Diagrams of Strongly Correlated d- and f-Electron Materials, J. Low. Temp. Phys. 161, 4-54 (2010), M. B. Maple, R. E. Baumbach, N. P. Butch, J. J. Hamlin and M. Janoschek, (review article in the special issue ‘Quantum Phase Transitions’ edited by Hilbert v. Löhneysen)
  41. Evolution of magnetic and superconducting states in UCoGe with Fe and Ni substitution, Mater. Res. Soc. Symp. Proc. 1264 Z12-04 (2010), J. J. Hamlin, R. E. Baumbach, K. Huang, M. Janoschek, N. Kanchanavatee, D. A. Zocco, and M. B. Maple
  42. Helimagnon bands as universal excitations of chiral magnets, Phys. Rev. B 81, 214436 (2010), M. Janoschek, F. Bernlochner, S. Dunsiger, C. Pfleiderer, P. Böni, B. Roessli, P. Link, A. Rosch (Editor’s suggestion!!!)
  43. Skyrmion lattices in metallic and semiconducting B20 transition metal compounds, J. Phys.: Condens. Matter 22, 164207 (2010), C. Pfleiderer, T. Adams, A. Bauer, W. Biberacher, B. Binz, F. Birkelbach, P. Boeni, C. Franz, R. Georgii, M. Janoschek, F. Jonietz, R. Ritz, S. Muehlbauer, W. Muenzer, A. Neubauer, P. Pedersen and A. Rosch
  44. Single magnetic chirality in the magneto-electric NdFe3(11BO3)4, Phys. Rev. B 81, 094429 (2010), preprint arXiv:1001.1784 M. Janoschek, P. Fischer, J. Schefer, B. Roessli, V. Pomjakushin, M. Meven, V. Petricek, G. Petrakovskii, L. Bezmaternikh (Editor’s suggestion!!!)
  45. Optimisation of elliptic neutron guides for triple-axis spectroscopy, Nucl. Instrum. Methods Phys. Res., Sect. A 613, p. 119-126 (2010), M. Janoschek, P. Böni, M. Braden
  46. MuPAD: Test at the hot single-crystal diffractometer HEiDi at FRM II, Nucl. Instrum. Methods Phys. Res., Sect. A 612, p. 155-160 (2009), V. Hutanu, M. Janoschek, M. Meven, P. Böni and G. Heger
  47. Helimagnons in the Skyrmion Lattice of MnSi, J. Phys.: Conf. Ser. 200, 032026 (2010), M. Janoschek, F. Jonietz, P. Link , C. P?eiderer, P. Böni
  48. Quantum order in the chiral magnet MnSi, J. Phys.: Condens. Matter 21, 164215, p. 7 (2009), C. Pfleiderer, A. Neubauer, S. Mühlbauer, F. Jonietz, M. Janoschek, S. Legl, R. Ritz, W. Münzer, C. Franz, P. G. Niklowitz, T. Keller, R. Georgii, P. Böni, B. Binz, A. Rosch, U. K. Rößler and A. N. Bogdanov
  49. Noncentrosymmetric commensurate magnetic ordering of multiferroic ErMn2O5, J. Phys.: Condens. Matter 20, 485216, p. 1-8 (2008), B. Roessli, P. Fischer, P. J. Brown, M. Janoschek, D. Sheptyakov, S. N. Gvasaliya, B. Ouladdiaf, O. Zaharko, Eu. Golovenchits and V. Sanina
  50. Neutron diffraction study of layered Ni dioxides: Ag2NiO2, J. Phys.: Condens. Matter 20, 104236 (2008), H. Nozaki, J. Sugiyama, M. Janoschek, B. Roessli, V. Pomjakushin, L. Keller, H. Yoshida and Z. Hiroi
  51. Manipulating the magnetic structure by electric fields in multiferroic ErMn2O5, Phys. Rev. Lett. 100, 027201 (2008), Y. Bodenthin, U. Staub, M. Garcia-Fernandez, M. Janoschek, J. Schlappa, E. I. Golovenchits, V. A. Sanina, and S. G. Lushnikov
  52. Antiferromagnetic spin structure in BaCoO3 below 15 K determined by neutron and muSR, J. Phys. Chem. Sol. 68, 2162-2165 (2007), H. Nozaki , M. Janoschek, B. Roessli, J. Sugiyama, L. Keller, J. H. Brewer, E. J. Ansaldo, G. D. Morris, T. Takami, and H. Ikuta
  53. Neutron diffraction and muSR study on the antiferromagnet BaCoO3, Phys. Rev. B 76, 014402 (2007), H. Nozaki , M. Janoschek, B. Roessli, J. Sugiyama, L. Keller, J. H. Brewer, E. J. Ansaldo, G. D. Morris, T. Takami, and H. Ikuta
  54. Magnetism in geometrically frustrated YMnO3 under hydrostatic pressure studied with muon spin relaxation, Phys. Rev. Lett. 98, 197203 (2007), T. Lancaster, S. J. Blundell, D. Andreica, M. Janoschek, B. Roessli, S. N. Gvasaliya, K. Conder, E. Pomjakushina, M. L. Brooks, P. J. Baker, D. Prabhakaran, W. Hayes, and F. L. Pratt
  55. MIRA – A flexible instrument for VCN, Physica B: Condensed Matter 397(1), 150-152 (2007), R. Georgii, P. Böni, M. Janoschek, C. Schanzer and S. Valloppilly
  56. Spherical neutron polarimetry with MuPAD, Physica B: Condensed Matter 397(1), 125-130 (2007), M. Janoschek, S. Klimko, R. Gähler, B. Roessli and P. Böni
  57. Simultaneous antiferromagnetic Fe3+ and Nd3+ ordering in NdFe3(11BO3)4”’, J. Phys.: Condens. Matter 18, 7975-7989 (2006), P. Fischer, V. Pomjakushin, D. Sheptyakov, L. Keller, M. Janoschek, B. Roessli, J. Schefer, G. Petrakovskii, L. Bezmaternikh, V. Temerov and D. Velikanov
  58. Reduction of the ordered magnetic moment in YMnO3 with hydrostatic pressure, J. Phys.: Condens. Matter 17, 425-430 (2005), M. Janoschek, B. Roessli, L. Keller, S.N. Gvasaliya, K. Conder and E. Pomjakushina