Nicolas Claiser

Nicolas Claiser


Maître de Conférences




telephone+33 (0)3 83 68 48 80


fax+33 (0)3 83 68 43 00


courrielnicolas.claiser@univ-lorraine.fr



recherche_icn Domaine de recherche:


Etude des densités de spin et de charge de matériaux magnétiques moleculaires : radicaux organiques purs et complexes de semiquinones.



enseignement_icn Enseignement


  • Licence Science de la Matière, Parcours Sciences Physiques
  • Licence Science du Vivant
  • Master Chimie et Physicochimie Moléculaires (CPM)

publication_icn Publications:


Kibalin,I. A.,Yan, Z., Voufack, A. B., Gueddida, S.,Gillon,B. ,Gukasov, A. ,Porcher, F., Bataille, A. M., Morini, F., Claiser, N., Souhassou, M., Lecomte, C., Gillet, J.-M., Ito, M., Suzuki, K., Saku
Spin density in YTiO3: I. Joint refinement of polarized neutron diffraction and magnetic x-ray diffraction data leading to insights into orbital ordering
Physical Review B: Condensed Matter 96 (2017) 054427-1-054426-7 DOI link

Z. Yan, I. A. Kibalin, N. Claiser, S. Gueddida, B. Gillon, A. Gukasov, A. B. Voufack, F. Morini, Y. Sakurai, M. Brancewicz, M. Itou, M. Itoh, N. Tsuji, M. Ito, M. Souhassou, C. Lecomte, P. Cortona, an
Spin density in YTiO3: II. Momentum-space representation of electron spin density supported by position-space results
Physical Review B: Condensed Matter 96 (2017) 054426-1-054427-8 DOI link

Voufack A. B., Claiser N., Lecomte C., Pillet S., Pontillon Y., Gillon B., Yan Z., Gillet J.-M., Marazzi M., Genoni A. and Souhassou M.
When combined X-ray and polarized neutron diffraction data challenge high-level calculations: spin-resolved electron density of an organic radical
Acta Crystallographica, Section B: Structural Science 73 (2017) 544-549 DOI link

Macchi P., Gillet J.-M., Taulelle F., Campo J., Claiser N., Lecomte C.
Modelling the experimental electron density: only the synergy of various approaches can tackle the new challenges
IUCrJ 2 (2015) 441-451 DOI link

Gavriluta A., Claiser N., Kuhn P.-S., Novitchi G., Tommasino J., Iasco O., Druta V., Arion V., Luneau D.
Osmium–Nitrosyl Oxalato-Bridged Lanthanide-Centered Pentanuclear Complexes – Synthesis, Crystal Structures and Magnetic Properties
European Journal of Inorganic Chemistry 9 (2015) 1616-1624 DOI link

Deutsch M., Gillon B., Claiser N., Gillet J.-M., Lecomte C., Souhassou M.
First spin-resolved electron distributions in crystals from combined polarized neutron and X-ray diffraction experiments
IUCrJ 1 (2014) DOI link

Lefrada L., Bouchemma A., Bouacida S., Claiser N., Souhassou M.
Crystal structure of 3,5-bis(4-chlorophenyl)-1-propyl-1,3,5-triazacyclohexane
Acta Crystallographica Section E Structure Reports Online 70 (2014) o1061-o1062 DOI link

Deutsch M., Claiser N., Souhassou M., Gillon B.
Joint Refinement of Charge and Spin Densities
Physics Procedia 42 (2013) 10-17 DOI link

Nuss H., Claiser N., Pillet S., Lugan N., Despagnet-Ayoub E., Etienne M., Lecomte C.
A comparative study of the topology of the experimental electron density within 2 and 4e- donor alkyne complexes
Dalton Transactions 41 (2012) 6598 DOI link

Deutsch M., Claiser N., Pillet S., Chumakov Y., Becker P., Gillet J.-M., Gillon B., Lecomte C., Souhassou M.
Experimental determination of spin-dependent electron density by joint refinement of X-ray and polarized neutron diffraction data
Acta Crystallographica Section A Foundations of Crystallography 68 (2012) 675-686 DOI link

Deutsch M., Claiser N., Gillet J.-M., Lecomte C., Sakiyama H., Tone K., Souhassou M.
d -Orbital orientation in a dimer cobalt complex: link to magnetic properties?
Acta Crystallographica, Section B: Structural Science, Crystal Engineering and Materials 67 (2011) 324-332 DOI link

Boillot M.-L., Pillet S., Tissot A., Rivière E., Claiser N. and Lecomte C.
Ligand-Driven Light-Induced Spin Change Activity and Bidirectional Photomagnetism of Styrylpyridine Iron(II) Complexes in Polymeric Media
Inorganic Chemistry 48 (2009) 4729-4736

CLAISER, N., SOUHASSOU, M., LECOMTE, C., GILLON, B., CARBONERA, C., CANESCHI, A., DEI, A., GATTESCHI, D., BENCINI, A., PONTILLON, Y., LELIEVRE BERNA, E.
Combined Charge and Spin Density Experimental Study of the Yttrium(III) Semiquinonato Complex Y(HBPz3)2(DTBSQ) and DFT Calculations
Journal of Physical Chemistry B109 (2005) 2723-2732

CLAISER, N., SOUHASSOU, M., LECOMTE, C.
Problems in experimental charge density modelling of rare earth atom complexes: the case of gadolinium
Journal of Physics and Chemistry of Solids 65 (2004) 1927-1933

ZIESSEL, R., STROH, C., HEISE, H., KOHLER, F. H., TUREK, P., CLAISER, N., SOUHASSOU, M., LECOMTE, C.
Strong Exchange Interactions between Two Radicals Attached to Nonaromatic Spacers educed from Magnetic, EPR, NMR, and Electron Density Measurements
Journal of the American Chemical Society 126 (2004) 12604-12613

RUEFF J. M., PILLET S., CLAISER N., BONAVENTURE G., SOUHASSOU M. & RABU P.
Synthesis, crystal structure and magnetic properties of the helical chain compounds M2(O2CC12H8CO2)2(H2O)8, M = Cobalt(II), Nickel(II)
European Journal of Inorganic Chemistry 4 (2002) 895-900 PDF Electronic reprint

Claiser, N., Souhassou, M., Lecomte, C., Pontillon, Y., Romero, F., Ziessel, R.
Understanding Magnetic Interaction Pathways: An Experimental Determination of Electron Density in an Alkyne-Substituted Nitronyl Nitroxide Radical
The Journal of Physical Chemistry B 106 (2002) 12896-12907 DOI link