Colossal Spin-Phonon Anomalies and the Ferroelectric Phase Transition in the Model Multiferroic Bifeo3

Abstract

We report a temperature-dependent Raman and neutron scattering investigation of the multiferroic material bismuth ferrite BiFeO3 (BFO).

submitted to PRL (July 2005)

References in corpus (8)

• First-principles study of spontaneous polarization in multiferroic BiFeO${}_3$
• Weak ferromagnetism and magnetoelectric coupling in bismuth ferrite
• A Field-Induced Re-Entrant Novel Phase and A Ferroelectric-Magnetic Order Coupling in HoMnO3
• Probing spin correlations with phonons in the strongly frustrated magnet ZnCr2O4
• Exchange interaction effects on the optical properties of LuMnO3
• Strong spin-lattice coupling in multiferroic HoMnO${}_3$: Thermal expansion anomalies and pressure effect
• Raman and Infrared-Active Phonons in Hexagonal HoMnO${}_3$ Single Crystals: Magnetic Ordering Effects
• Phonons and Magnetic Excitations in Mott-Insulator LaTiO${}_3$

Cited by in corpus (33)

• The beta Phase of Multiferroic Bismuth Ferrite and its beta-gamma Metal-Insulator Transition
• The ferroelectric-paraelectric phase transition in BiFeO3: crystal structure of the orthorhombic beta-phase
• Infrared and THz studies of polar phonons and improper magnetodielectric effect in multiferroic BFO3 ceramics
• Structural distortion and magnetism of BiFeO3 epitaxial thin films: a Raman spectroscopy and neutron diffraction study
• Observation of electromagnon excitations in the BiFe0${}_3$ spiral magnet
• Effect of high pressure on multiferroic BiFeO3
• Two-phonon coupling to the antiferromagnetic phase transition in multiferroic BiFeO3
• Infrared phonon dynamics of multiferroic BiFeO3 single crystal
• Structure and spin dynamics of multiferroric BiFeO${}_3$
• Electric field effect on BiFeO${}_3$ single crystal investigated by Raman spectroscopy
• Optical coupling to spin waves in the cycloidal multiferroic BiFeO3
• Skin layer of BiFeO3 single crystals
• Study of Structural, Magnetic and Electrical properties on Ho - substituted BiFeO3
• Insights into the Phase Diagram of Bismuth Ferrite from Quasi-Harmonic Free Energy Calculations
• Spin-Charge-Lattice Coupling through Resonant Multi-Magnon Excitations in Multiferroic BiFeO3
• Phase transitions and ferroelectrics: revival and the future in the field
• Spin-phonon coupling in ZnCr2Se4
• Size effects in multiferroic BiFeO3 nanodots: A first-principles-based study
• Phonon Spectroscopy Near Phase Transition Temperatures in Multferroic BiFeO3 Epitaxial Thin Films
• Phase Separation of Bismuth Ferrite into Magnetite under Voltage Stressing
• Spin and lattice excitations of a BiFeO3 thin film and ceramics
• Anharmonic Phonons and Magnons in BiFeO3
• In-plane Dielectric and Magnetoelectric Studies of BiFeO3
• Magnetoelectric ordering of BiFeO3 from the perspective of crystal chemistry
• Infrared and magnetic characterization of the multiferroic Bi2FeCrO6 thin films in a broad temperature range
• Magnetic susceptibility, phonons and dielectric constant of single crystalline BiFeO3
• Splitting of a nondegenerate phonon mode in PrFe3(BO3)4: 4f crystal-field level between TO and LO phonon frequencies
• Phonons in ultrathin oxide films - 2D to 3D transition in FeO on Pt(111)
• High Temperature Emissivity, Reflectivity, and X-ray absorption of BiFeO3
• Unravelling the role of Sm 4f electrons in the magnetism of SmFeO${}_3$
• Terahertz dielectric response and coupled dynamics of ferroelectrics and multiferroics from effective Hamiltonian simulations
• First Principles Theories of Piezoelectric Materials
• Neutron inelastic scattering measurements of low energy phonons in the multiferroic BiFeO3