Magnetic field induced phase transitions and phase diagrams of multiferroic $Mn_{0.95}$$Co _{0.05}$$WO _{4}$ with cycloidal spin structure

Autor: Urcelay-Olabarria, I., Ressouche, E., Wang, Z., Skourski, Y., Ivanov, V., Popov, Y., Vorobev, G., Balbashov, A., Qureshi, N., García-Muñoz, J., Skumryev, V., Mukhin, A.
Přispěvatelé: Departamento de Fisica Aplicada [Bilbao], Universidad del Pais Vasco / Euskal Herriko Unibertsitatea [Espagne] (UPV/EHU), Magnétisme et Diffusion Neutronique (MDN), Modélisation et Exploration des Matériaux (MEM), Institut de Recherche Interdisciplinaire de Grenoble (IRIG), Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut de Recherche Interdisciplinaire de Grenoble (IRIG), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Dresden High Magnetic Field Laboratory, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), A. M. Prokhorov General Physics Institute (GPI), Russian Academy of Sciences [Moscow] (RAS), Lomonosov Moscow State University (MSU), Moscow Power Engineering Institute (MPEI), Institut Laue-Langevin (ILL), ILL, Institut de Ciència de Materials de Barcelona (ICMAB), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Institució Catalana de Recerca i Estudis Avançats (ICREA), Universitat Autònoma de Barcelona (UAB), Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut de Recherche Interdisciplinaire de Grenoble (IRIG), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2017, 96 (10), ⟨10.1103/PhysRevB.96.104435⟩
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2017, 96 (10), ⟨10.1103/PhysRevB.96.104435⟩
ISSN: 1098-0121
1550-235X
DOI: 10.1103/PhysRevB.96.104435⟩
Popis: International audience; Slightly Co-doped MnW$O_{4}$ at the lowest 5% Co concentration, for which the multiferroic cycloidal phase becomes a ground state, has been studied in magnetic fields up to 60 T by bulk magnetic and electric polarization measurements along different crystallographic directions. The field induced magnetic transitions up to 12 T and the ways they proceed were tracked also by single-crystal neutron diffraction, and the relevant field induced magnetic structures were identified and refined. The complete magnetoelectric phase diagrams for magnetic fields along distinct directions in relation to the cycloidal spin structure have been constructed for magnetic field values exceeding those necessary to induce a spin-flip transition into the paramagnetic state. Their common feature is the existence of nonpolar sinusoidal phases identified by the disappearance of the electric polarization in a field regime slightly below the spin-flip transition. At lower magnetic fields either continuous or abrupt field induced reorientations of the cycloidal magnetic structures were observed, respectively, for a field direction along the crystallographic b axis or along the easy magnetic axis, and the different character of those transitions has been attributed to specific features in the magnetic anisotropy.
Databáze: OpenAIRE
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