Nicolas MARTIN

Current position (since 2019)

  • CNRS research engineer (2nd class)
  • Scientific responsible of the “SAM” project for a French small-angle neutron scattering beamline at the Institut Laue Langevin.

Area of expertise

Scientific interests
  • Chiral and frustrated magnetism of disordered media
  • Magnetic textures at the nanoscale (vortices, skyrmions, etc.)
  • Spin dynamics of low-dimensional systems
  • Heavy-fermions and high-Tc superconductors
  • Instrumental development for neutron scattering
Experimental techniques
  • Neutrons: small-angle scattering, powder diffraction, three-axis and spin-echo spectroscopy
  • X-rays: powder diffraction, emission spectroscopy and magnetic circular dichroism
  • Muon spin rotation (μSR)
  • Extreme conditions: high pressures, large magnetic fields, etc.

Professional experience

2016-2019 Instrument scientist at the PA20 Small-Angle Neutron Scattering spectrometer
CEA Saclay IRAMIS/Laboratoire Léon Brillouin, Gif-sur-Yvette, France
2014-2016 Postdoctoral scientist (PALM fellowship): “Chiral Magnets with Itinerant Magnetism” (supervised by I. Mirebeau)
CEA Saclay IRAMIS/Laboratoire Léon Brillouin, Gif-sur-Yvette, France
2012-2014 Instrument scientist at the Neutron Resonance Spin Echo spectrometer RESEDA
Technische Universität München & Maier-Leibnitz Institute, Garching bei München, Germany
2012 PhD in Physics: “Étude structurale et dynamique de plusieurs systèmes magnétiques par la technique de l’écho de spin neutronique résonant” (supervised by L.-P. Regnault)
Université Joseph Fourier & CEA Grenoble INAC/SPSMS/Laboratoire de Magnétisme et Diffraction Neutronique, Grenoble, France
2007 Research internship: “Dzyaloshinskii-Moriya interaction and spin-lattice coupling in the quantum antiferromagnet CsCuCl3 (supervised by V.P. Plakhty)
Petersburg Nuclear Physics Institute/Crystal Physics Laboratory, Gatchina, Russia
2006 Research internship: “Design and study of new radio-frequency techniques” (supervised by R. Gähler)
Institut Laue Langevin, Grenoble, France

Student & PostDoc supervision

Laboratoire Léon Brillouin, Gif-sur-Yvette, France (Since 2014)PostDocEvgenii Altynbaev (now permanent scientist at Petersburg Nuclear Physics Institute, Gatchina, Russian Federation )“Skyrmion lattice and spin wave dynamics in the Mn1-xFexGe alloys at ambient and high-pressure”BachelorAlexandre Wu-Vignolo (now PhD candidate at Laboratoire Matériaux et Phénomènes Quantiques, Université Paris-Diderot)“Susceptibility and neutron scattering study of some Mn1-xRuxGe helimagnetic alloys” Technische Universität München, Garching bei München, Germany (2012-2014)MasterBo Thöner (now PhD student at RWTH Aachen University, Aachen, Germany )“Material-specific feasibility study of ferromagnetic criticality by NRSE”Maximilian Krautloher (now PhD student at Max Planck Institut für Festkörperforschung, Stuttgart, Germany)“Implementation of a longitudinal-NRSE option into RESEDA/MLZ”BachelorAleks Wischolit (now computing service provider for BMW)“Design and commissioning of a Python-based status monitor for RESEDA”

Peer-reviewed publications

(Via Google Scholar) – Recent publications in the CCSD-HAL data base.

34. Split of the magnetic and crystallographic states in Fe1-xRhxGe,
D.O. Skanchenko, E.V. Altynbaev, V.A. Sidorov, G. Chaboussant, N. Martin, A.E. Petrova, D.A. Salamatin, S.V. Grigoriev, N.M. Chtchelkatchev, M.V. Magnitskaya and A.V. Tsvyashchenko, Journal of Alloys and Compounds 935 (2023) 167943 / arXiv:2205.13969
33. Collective Effects in Ionic Liquid [emim][Tf2N] and Ionic Paramagnetic Nitrate Solutions without Long-Range Structuring,
E. Kume, N. Martin, P. Dunne, P. Baroni and L. Noirez, Molecules 2022, 27(22), 7829
32. Revisiting neutron studies of reentrant spin glasses: the role of small-angle scattering,
I. Mirebeau and N. Martin, Journal of Applied Crystallography (2022) 55
31. Field-induced vortex-like textures as a probe of the critical line in reentrant spin glasses,
N. Martin, L.J. Bannenberg, M. Deutsch, C. Pappas, G. Chaboussant, R. Cubitt and I. Mirebeau, Scientific Reports 11, 20753 (2021) / arXiv:2105.08660
30. Pressure influence on the valence and magnetic state of Yb ions in noncentrosymmetric heavy-fermion YbNiC2,
D.A. Salamatin, V.A. Sidorov, N.M. Chtchelkatchev, M.V. Magnitskaya, N. Martin, A.E. Petrova, L.N. Fomicheva, Jing Guo, Cheng Huang, Yazhou Zhou, Liling Sun and A.V. Tsvyashchenko, Physical Review B 103, 235139 (2021)
29. Magnetic structure of Mn0.9Fe0.1Ge compound under quasi-hydrostatic pressure,
D.O. Skanchenko, E.V. Altynbaev, N. Martin, D.A. Salamatin, R.A. Sadykov, A.V. Tsvyaschenko and S.V. Grigoriev, Journal of Alloys and Compounds 862 (2021) 158606
28. Anisotropic fractal magnetic domain pattern in bulk Mn1.4PtSn,
A.S. Sukhanov, B.E. Zuniga Cespedes, P. Vir, A.S. Cameron, A. Heinemann, N. Martin, G. Chaboussant, V. Kumar, P. Milde, L.M. Eng, C. Felser and D.S. Inosov, Physical Review B 102, 174447 (2020) – “Editor’s Suggestion” / arXiv:2007.07778
27. Dualism of the 4f electrons and its relation to high-temperature antiferromagnetism in the heavy-fermion compound YbCoC2,
D.A. Salamatin, N. Martin, V.A. Sidorov, N.M. Chtchelkatchev, M.V. Magnitskaya, A.E. Petrova, I.P. Zibrov, L.N. Fomicheva, Jing Guo, Cheng Huang, Liling Sun and A.V. Tsvyashchenko, Physical Review B 101, 100406(R) (2020) / arXiv:2003.11601
26. Onset of a skyrmion phase by chemical substitution in MnGe-based chiral magnets,
E. Altynbaev, N. Martin, A. Heinemann, L. Fomicheva, A. Tsvyashchenko, I. Mirebeau and S. Grigoriev, Physical Review B 101, 100404(R) (2020) / arXiv:1911.12190
25. Evolution of magnetocrystalline anisotropies in Mn1-xFexSi and Mn1-xCoxSi as inferred from small-angle neutron scattering and bulk properties,
J. Kindervater, T. Adams, A. Bauer, F.X. Haslbeck, A. Chacon, S. Mühlbauer, F. Jonietz, A. Neubauer, U. Gasser, G. Nagy, N. Martin, W. Häussler, R. Georgii, M. Garst and C. Pfleiderer, Physical Review B 101, 104406 (2020) / arXiv:1811.12379
24. Magnetic and atomic short range order in Fe1-xCrx alloys,
I. Mirebeau, V. Pierron-Bohnes, C. Decorse, E. Rivière, Chu-Chun Fu, Kangming Li, G. Parette and N. Martin, Physical Review B 100, 224406 (2019)
23. Increasing skyrmion stability in Cu2OSeO3 by chemical substitution,
A.S. Sukhanov, P. Vir, A.S. Cameron, H.C. Wu, N. Martin, S. Mühlbauer, A. Heinemann, H.D. Yang, C. Felser and D.S. Inosov, Physical Review B 100, 184408 (2019) / arXiv:1910.13284
22. Suppression of the bulk high spin-low spin transition by doping the chiral magnet MnGe,
N. Martin, M. Deutsch, T.C. Hansen, M.T. Fernandez-Diaz, L.N. Fomicheva, A.V. Tsvyashchenko and I. Mirebeau, Physical Review B 100, 060401(R) (2019)
21. Effect of Trapped Magnetic Flux on Neutron Scattering in La1.85Sr0.15CuO4 Superconductor,
A.A Bykov, D.M. Gokhfeld, E.V. Altynbaev, K.Yu. Terent’ev, N. Martin, S.V. Semenov and S.V. Grigoriev, Journal of Superconductivity and Novel Magnetism (2019)
20. Partial ordering and phase elasticity in the MnGe short-period helimagnet,
N. Martin, I. Mirebeau, C. Franz, G. Chaboussant, L.N. Fomicheva and A.V. Tsvyashchenko, Physical Review B 99, 100402(R) (2019) – “Editor’s Suggestion”
19. Spin textures induced by quenched disorder in a reentrant spin glass: Vortices versus “frustrated” skyrmions,
I. Mirebeau, N. Martin, M. Deutsch, L.J. Bannenberg, C. Pappas, G. Chaboussant, R. Cubitt, C. Decorse and A.O. Leonov, Physical Review B 98, 014420 (2018) / arXiv:1807.01311
18. On the resolution of a MIEZE spectrometer,
N. Martin, Nuclear Instruments and Methods in Physics Research, A 882 (2018) 11-16 / arXiv:1710.03056
17. Reorientations, relaxations, metastabilities, and multidomains of skyrmion lattices,
L.J. Bannenberg, F. Qian, R.M. Dalgliesh, N. Martin, G. Chaboussant, M. Schmidt, D.L. Schlagel, T.A. Lograsso, H. Wilhelm and C. Pappas, Physical Review B 96, 184416 (2017) / arXiv:1707.04921
16. Disorder and Quantum Spin Ice,
N. Martin, P. Bonville, E. Lhotel, S. Guitteny, A. Wildes, C. Decorse, M. Ciomaga Hatnean, G. Balakrishnan, I. Mirebeau and S. Petit, Physical Review X 7, 041028 (2017) / arXiv:1708.01845
15. Long-period helical structures and twist-grain boundary phases induced by chemical substitution in the Mn1-x(Co,Rh)xGe chiral magnet,
N. Martin, M. Deutsch, G. Chaboussant, F. Damay, P. Bonville, L.N. Fomicheva, A.V. Tsvyashchenko, U.K. Rössler and I. Mirebeau, Physical Review B 96, 020413(R) (2017) / arXiv:1702.06511
14. Magnetovolume effect, macroscopic hysteresis, and moment collapse in the paramagnetic state of cubic MnGe under pressure,
N. Martin, M. Deutsch, J.-P. Itié, J.-P. Rueff, U.K. Rössler, K. Koepernik, L.N. Fomicheva, A.V. Tsvyashchenko and I. Mirebeau, Physical Review B 93, 214404 (2016) / arXiv:1601.05332
13. Magnetic ground state and spin fluctuations in MnGe chiral magnet as studied by muon spin rotation,
N. Martin, M. Deutsch, F. Bert, D. Andreica, A. Amato, P. Bonfà, R. De Renzi, U.K. Rössler, P. Bonville, L.N. Fomicheva, A.V. Tsvyashchenko and I. Mirebeau, Physical Review B 93, 174405 (2016) / arXiv:1602.01756
12. CASCADE – a multi-layer Boron-10 neutron detection system,
M. Köhli, M. Klein, F. Allmendinger, A.-K. Perrevoort, T. Schröder, N. Martin, C.J. Schmidt and U. Schmidt, Journal of Physics: Conference Series 746 (2016) 012003 / arXiv:1602.04064
11. Neutron spin echo spectroscopy under 17 T magnetic field at RESEDA,
J. Kindervater, N. Martin, W. Häussler, M. Krautloher, C. Fuchs, S. Mühlbauer, J.A. Lim, E. Blackburn, P. Böni and C. Pfleiderer, EPJ Web of Conferences 83, 03008 (2015)
10. Neutron resonance spin flippers: Static coils manufactured by electrical discharge machining,
N. Martin, J.N. Wagner, M. Dogu, C. Fuchs, L. Kredler, P. Böni and W. Häussler, Review of Scientific Instruments 85, 073902 (2014) / arXiv:1404.3613
9. Development of a NRSE spectrometer with the help of McStas – Application to the design of present and future instruments,
L. Kredler, W. Häussler, N. Martin and P. Böni, Physics Procedia 42 (2013) 116-120
8. Polarized Neutron on URu2Si2,
F. Bourdarot, E. Ressouche, R. Ballou, S. Raymond, D. Aoki, N. Martin, L.-P. Regnault, V. Simonet, M.T. Fernandez-Diaz, A. Stunault, V. Taufour and J. Flouquet, Physics Procedia 42 (2013) 4-9
7. Lifetime of Gapped Excitations in a Collinear Quantum Antiferromagnet,
A.L. Chernyshev, M.E. Zhitomirsky, N. Martin and L.-P. Regnault, Physical Review Letters 109, 097201 (2012) / arXiv:1206.4690
6. Neutron Larmor Diffraction study of the BaM2(XO4)2 (M = Co, Ni ; X = As, P) compounds,
N. Martin, L.-P. Regnault and S. Klimko, Journal of Physics: Conference Series 340 (2012) 012012
5. Magnetic properties of URu2Si2 under uniaxial stress by neutron scattering,
F. Bourdarot, N. Martin, S. Raymond, L.-P. Regnault, D. Aoki, V. Taufour and J. Flouquet, Physical Review B 84, 184430 (2011) / arXiv:1110.5157
4. Larmor diffraction measurement of the temperature dependence of lattice constants in CuGeO3,
N. Martin, L.-P. Regnault, S. Klimko, J.E. Lorenzo and R. Gähler, Physica B 406 (2011) 2333-2336
3. Magnetic chirality of the spin triplet in the spin-ladder compound Sr14Cu24O41 as seen via polarized inelastic neutron scattering,
J.E. Lorenzo, L.-P. Regnault, C. Boullier, N. Martin, S. Vanishri and C. Marin, Physical Review B 83, 140413 (2011)
2. Macroscopic Quantum Coherence of the Spin Triplet in the Spin-Ladder Compound Sr14Cu24O41,
J.E. Lorenzo, L.-P. Regnault, C. Boullier, N. Martin, A.H. Moudden, S. Vanishri, C. Marin and A. Revcolevschi, Physical Review Letters 105, 097202 (2010) / arXiv:1404.2890
1. Isostructural transition coupled with spin ordering in CsCuCl3: A spatially frustrated spiral crystal lattice,
V.P. Plakhty, J. Wosnitza, N. Martin, Ya. Marchi, O.P. Smirnov, B. Grenier and S.V. Gavrilov, Physical Review B 79, 012410 (2009)

Softwares

  • PySERESCAL: a tool to calculate the resolution function of a neutron resonant spin echo (NRSE) spectrometer. PySERESCAL is a Python translation of the Matlab toolbox SERESCAL written by K. Habicht (Helmholtz Zentrum Berlin) [new version coming soon!]

[Fr] Documents téléchargeables