4f-electron systems

[1] K. S. NEMKOVSKI, P. A. ALEKSEEV, J.-M. MIGNOT, and A. S. IVANOV. Resonant mode in rare-earth based strongly correlated semiconductors. Physics Procedia, 2013.

[2] P. A. ALEKSEEV, K. S. NEMKOVSKI, J.-M. MIGNOT, E. A. GOREMYCHKIN, N. Yu. SHITSEVALOVA, and A. V. DUKHNENKO. Influence of an electron doping on spin dynamics of YbB12. Solid State Sciences, 2012.

[3] K. IWASA, L. HAO, M. KOHGI, K. KUWAHARA, J.-M. MIGNOT, H. SUGAWARA, Y. AOKI, T. D. MATSUDA, and H. SATO. Magnetic excitation in totally-symmetric staggered ordered phase of PrFe4p12. J. Phys. Soc. Jpn., 81:094711, 2012.

[4] P. A. ALEKSEEV, J.-M. MIGNOT, K. S. NEMKOVSKI, A. V. RYBINA, V. N. LAZUKOV, A. S. IVANOV, F. IGA, and T. TAKABATAKE. Interplay of low-energy phonons and magnetic excitations in the Kondo insulator YbB12. J. Phys. : Condens. Matter, 24:205601, 2012.

[5] P. A. ALEKSEEV, K. S. NEMKOVSKI, J.-M. MIGNOT, V. N. LAZUKOV, A. A. NIKONOV, A. P. MENUSHENKOV, A. A. YAROSLAVTSEV, R. I. BEWLEY R STEWART, and A. V. GRIBANOV. Magnetic excitations in EuCu2(sixge1-x) 2 : from mixed valence to magnetism. J. Phys. : Condens. Matter, 24:375601, 2012.

[6] P. A. ALEKSEEV, E. S. CLEMENTYEV, R. HEID, A. S. IVANOV, D. LAMAGO, J.-M. MIGNOT, A. E. PETROVA, and S. M. STISHOV. Lattice dynamics in the itinerant helical magnet MnSi. J. Physics: Conference Series, 273:012129, 2011.

[7] J. ROBERT, J.-M. MIGNOT, G. ANDRÉ, A. M. BATAILLE, T. NISHIOKA, R. KOBAYASHI, M. MATSUMURA, H. TANIDA, D. TANAKA, and M. SERA. Neutron scattering study of the long-range ordered state in CeRu2al10. J. Phys. Soc. Jpn. Suppl., 80SA:SA022, 2011.

[8] J. ROBERT, J.-M. MIGNOT, M. SERA, and F. IGA. Neutron diffraction study of the high magnetic field phase diagram of La-doped PrB6. J. Physics: Conference Series, 200:012166, 2010.

[9] K. S. NEMKOVSKI, P. A. ALEKSEEV, J.-M. MIGNOT, E. A. GOREMYCHKIN, A. A. NIKONOV, O. E. PARFENOV, V. N. LAZUKOV, N. Yu. SHITSEVALOVA, and A. V. DUKHNENKO. Spin dynamics in the electron doped Kondo insulator Yb1-xZrxB12 (x = 0.2). Phys. Rev. B, 81:125108, 2010.

[10] K. S. NEMKOVSKI, P. A. ALEKSEEV, J.-M. MIGNOT, and V. N. LAZUKOV. Spin dynamics in Yb- and Sm-based systems with the nonmagnetic ground state. Phys. Solid State, 52:936, 2010.

[11] A. V. RYBINA, K. S. NEMKOVSKI, P. A. ALEKSEEV, J.-M. MIGNOT, E. S. CLEMENTYEV, M. JOHNSON, L. CAPOGNA, A. V. DUKHNENKO, A. B. LYASHENKO, and V. B. FILIPPOV. Lattice dynamics in ZrB12 and LuB12: Ab initio calculations and inelastic neutron scattering measurements. Phys. Rev. B, 82:24302, 2010.

[12] J. ROBERT, J.-M. MIGNOT, G. ANDRÉ, T. NISHIOKA, R. KOBAYASHI, M. MATSUMURA, H. TANIDA, D. TANAKA, and M. SERA. Long-range order and low-energy magnetic excitations in CeRu2al10 studied by neutron scattering. Phys. Rev. B (Rapid Commun.), 82:100404, 2010.

[13] D. LAMAGO, E. S. CLEMENTYEV, A. S. IVANOV, R. HEID, J.-M. MIGNOT, A. E. PETROVA, and P. A. ALEKSEEV. Lattice dynamics in the itinerant helical magnet MnSi. Phys. Rev. B, 82:144307, 2010.

[14] J.-M. MIGNOT, J. ROBERT, G. ANDRÉ, M. SERA, and F. IGA. Effect of Nd substitution on the magnetic order in CexNd1-xB6 solid solutions. Phys. Rev. B, 79:224426, 2009.

Geometric frustration in pyrochlores

[1] Sylvain Petit, Pierre Bonville, Isabelle Mirebeau, Hannu Mutka, and Julien Robert. Spin dynamics in the ordered spin ice Tb2Sn2O7. Physical Review B, 85(5):054428, February 2012.

[2] A. P. Sazonov, A. Gukasov, I. Mirebeau, and P. Bonville. Double-layered monopolar order in the Tb2Ti2O7 spin liquid. Physical Review B, 85(21):214420, June 2012.

[3] Pierre Bonville, Isabelle Mirebeau, Arsene Gukasov, Sylvain Petit, and Julien Robert. Tetragonal distortion yielding a two-singlet spin liquid in pyrochlore Tb2Ti2O7. Physical Review B, 84(18):184409, November 2011.

[4] P. Bonville, I. Mirebeau, A. Gukasov, S. Petit, and J. Robert. Low temperature phase diagram for the pyrochlore compound Tb(2)Ti(2)O(7). International Conference On Frustration In Condensed Matter (icfcm), 320:MEXT Project, 2011.

[5] A. P. Sazonov, A. Gukasov, and I. Mirebeau. The spin ice Ho2Ti2O7 versus the spin liquid tb2ti2o7: field-induced magnetic structures. Journal of Physics-condensed Matter, 23(16):164221, April 2011.

[6] I. Mirebeau, I. Goncharenko, and H. Cao. Spin ice and soft spin ice ground state under high pressure: comparative study by neutron scattering. High Pressure Research, 30(1):European High Pressure Res Grp, 2010.

[7] H. B. Cao, I. Mirebeau, A. Gukasov, P. Bonville, and C. Decorse. Field evolution of the magnetic structures in Er2Ti2O7 through the critical point. Physical Review B, 82(10):104431, September 2010.

[8] A. P. Sazonov, A. Gukasov, I. Mirebeau, H. Cao, P. Bonville, and B. Grenier. Field-induced magnetic structures in Tb2Ti2O7 at low temperatures: From spin-ice to spin-flip structures. Physical Review B, 82(17):174406, November 2010.

CMR manganites

[1] S. Petit, M. Hennion, F. Moussa, D. Lamago, A. Ivanov, and Y. Mukovskii. Spin waves and metallic state of magnetoresistive manganites. International Conference On Magnetism (icm 2009), 200:UNSP 012159, 2010.

[2] S. Petit, M. Hennion, F. Moussa, D. Lamago, A. Ivanov, Y. M. Mukovskii, and D. Shulyatev. Quantized spin waves in the metallic state of magnetoresistive manganites. Physical Review Letters, 102(20):207201, May 2009.

[3] F. Moussa, M. Hennion, A. Gukasov, S. Petit, L. P. Regnault, A. Ivanov, R. Suryanarayanan, M. Apostu, and A. Revcolevschi. Intralayer and interlayer exchange tuned by magnetic field in the bilayer manganite (La(0.4)Pr(0.6))(1.2)Sr(1.8)Mn(2)O(7) probed by inelastic neutron scattering. Physical Review B, 78(6):060406, August 2008.

[4] F. Moussa, M. Hennion, P. Kober-Lehouelleur, D. Reznik, S. Petit, H. Moudden, A. Ivanov, Ya. M. Mukovskii, R. Privezentsev, and F. Albenque-Rullier. Spin waves in the ferromagnetic metallic manganites La1-x(Ca1-ySry)(x)MnO3. Physical Review B, 76(6):064403, August 2007.

Multiferroic materials

[1] J. Bourgeois, G. Andre, S. Petit, J. Robert, M. Poienar, J. Rouquette, E. Elkaim, M. Hervieu, A. Maignan, C. Martin, and F. Damay. Evidence of magnetic phase separation in LuFe2o4. Physical Review B, 86 (2): 024413, July 2012.

[2] J. Bourgeois, M. Hervieu, M. Poienar, A. M. Abakumov, E. Elkaim, M. T. Sougrati, F. Porcher, F. Damay, J. Rouquette, G. Van Tendeloo, A. Maignan, J. Haines, and C. Martin. Evidence of oxygen-dependent modulation in LuFe2o4. Physical Review B, 85 (6): 064102, February 2012.

[3] F. Damay, C. Martin, V. Hardy, G. Andre, S. Petit, and A. Maignan. Magnetoelastic coupling and unconventional magnetic ordering in the multiferroic triangular lattice AgCrS2. Physical Review B, 83 (18): 184413, May 2011.

[4] M. Loire, V. Simonet, S. Petit, K. Marty, P. Bordet, P. Lejay, J. Ollivier, M. Enderle, P. Steffens, E. Ressouche, A. Zorko, and R. Ballou. Parity-broken chiral spin dynamics in Ba3NbFe3Si2O14. Physical Review Letters, 106 (20): 207201 (4 pp.)–207201, May 2011.

[5] X. Fabreges, I. Mirebeau, S. Petit, P. Bonville, and A. A. Belik. Frustration-driven magnetic order in hexagonal InMnO3. Physical Review B, 84 (5): 054455, August 2011.

[6] A. Zorko, M. Pregelj, A. Potocnik, J. van Tol, A. Ozarowski, V. Simonet, P. Lejay, S. Petit, and R. Ballou. Role of antisymmetric exchange in selecting magnetic chirality in Ba3NbFe3Si2O14. Physical Review Letters, 107 (25): 257203, December 2011.

[7] O. L. Makarova, I. Mirebeau, S. E. Kichanov, J. Rodriguez-Carvajal, and A. Forget. Pressure-induced change in the magnetic ordering of TbMnO3. Physical Review B, 84 (2): 020408, July 2011.

[8] M. Poienar, F. Damay, C. Martin, J. Robert, and S. Petit. Spin dynamics in the geometrically frustrated multiferroic CuCrO2. Physical Review B, 81 (10): 104411, March 2010.

[9] J. Rouquette, J. Haines, A. Al-Zein, Ph. Papet, F. Damay, J. Bourgeois, T. Hammouda, F. Dore, A. Maignan, M. Hervieu, and C. Martin. Pressure-induced structural transition in LuFe2O4: Towards a new charge ordered state. Physical Review Letters, 105 (23): 237203, December 2010.

[10] I. C. Infante, S. Lisenkov, B. Dupe, M. Bibes, S. Fusil, E. Jacquet, G. Geneste, S. Petit, A. Courtial, J. Juraszek, L. Bellaiche, A. Barthelemy, and B. Dkhil. Bridging multiferroic phase transitions by epitaxial strain in BiFeO3. Physical Review Letters, 105 (5): 057601, July 2010.

[11] M. Poienar, F. Damay, C. Martin, V. Hardy, A. Maignan, and G. André. Structural and magnetic properties of cucr1-xmgxo2 by neutron powder diffraction. Physical Review B, 79: 014412, 2009.

[12] F. Damay, M. Poienar, C. Martin, A. Maignan, J. Rodriguez-Carvajal, G. Andre, and J. P. Doumerc. Spin-lattice coupling induced phase transition in the s=2 frustrated antiferromagnet CuMnO2. Physical Review B, 80 (9): 094410, September 2009.

[13] H. Bea, B. Dupe, S. Fusil, R. Mattana, E. Jacquet, B. Warot-Fonrose, F. Wilhelm, A. Rogalev, S. Petit, V. Cros, A. Anane, F. Petroff, K. Bouzehouane, G. Geneste, B. Dkhil, S. Lisenkov, I. Ponomareva, L. Bellaiche, M. Bibes, and A. Barthelemy. Evidence for room-temperature multiferroicity in a compound with a giant axial ratio. Physical Review Letters, 102 (21): 217603, May 2009.

[14] X. Fabreges, S. Petit, I. Mirebeau, S. Pailhes, L. Pinsard, A. Forget, M. T. Fernandez-Diaz, and F. Porcher. Spin-lattice coupling, frustration, and magnetic order in multiferroic RMnO3. Physical Review Letters, 103 (6): 067204, August 2009.

[15] S. Pailhes, X. Fabreges, L. P. Regnault, L. Pinsard-Godart, I. Mirebeau, F. Moussa, M. Hennion, and S. Petit. Hybrid goldstone modes in multiferroic YMnO3 studied by polarized inelastic neutron scattering. Physical Review B, 79 (13): 134409, April 2009.

Chiral magnets

[1] O. L. Makarova, A. V. Tsvyashchenko, G. Andre, F. Porcher, L. N. Fomicheva, N. Rey, and I. Mirebeau. Neutron diffraction study of the chiral magnet MnGe. Physical Review B, 85(20):205205, May 2012.

Molecular magnetism and photomagnetism

[1] C. Rodriguez-Blanco, J. A. Rodriguez-Velamazan, J. Campo, B. Gillon, J. Sanchez Costa, P. Gamez, and J. Luzon. Spin delocalization in the molecular manganese tetra-helicate cluster: [Mn(3)l(4)](ClO(4))(2)(H(2)O)(2). 5th Meeting of the Spanish Neutron Scattering Association, 325:Spanish Neutron Scattering Assoc; Univ Oviedo, Dept Phys, 2011.

[2] Ana Borta, Beatrice Gillon, Arsen Gukasov, Alain Cousson, Dominique Luneau, Erwann Jeanneau, Iurii Ciumacov, Hiroshi Sakiyama, Katsuya Tone, and Masahiro Mikuriya. Local magnetic moments in a dinuclear Co2+ complex as seen by polarized neutron diffraction: Beyond the effective spin-1/2 model. Physical Review B, 83(18):184429, May 2011.

[3] Claude Lecomte, Maxime Deusch, Nicolas Claiser, Mohamed Souhassou, Sebastien Pillet, Lurii Ciumacov, Beatrice Gillon, Jean Michel Gillet, and Dominique Luneau. Combined charge spin and momentum densities refinement: Application to molecular magnetic materials. In American Crystallographic Association Transactions, ACA annual meeting, New Orleans, USA, May 28 – June 2, 2011, 2011.

[4] Francois Varret, Kamel Boukheddaden, Antoine Goujon, Beatrice Gillon, and Garry J. McIntyre. Light-induced phase separation (lips) into like-spin phases observed by laue neutron diffraction on a single crystal of [Fe(ptz)(6)](bf(4))(2). Zeitschrift Fur Kristallographie, 223(4-5):250–258, 2008.

[5] Christophe Aronica, Yurii Chumakov, Erwann Jeanneau, Dominique Luneau, Petr Neugebauer, Anne-Laure Barra, Beatrice Gillon, Antoine Goujon, Alain Cousson, Javier Tercero, and Eliseo Ruiz. Structure, magnetic properties, polarized neutron diffraction, and theoretical study of a copper(ii) cubane. Chemistry-a European Journal, 14(31):9540–9548, 2008.

[6] Beatrice Gillon, Joulia Larionova, Eliseo Ruiz, Quitterie Nau, Antoine Goujon, Federica Bonadio, and Silvio Decurtins. Experimental and theoretical study of the spin ground state of the high-spin molecular cluster [Ni(ii)Ni(II)(CH(3)OH)(3)(8)(mu-CN)(30)W(V)(CN)(3)(6)].15CH(3)OH by polarised neutron diffraction and density functional theory calculations. Inorganica Chimica Acta, 361(12-13):3609–3615, September 2008.