Multifunctional Materials

Multiferroics

• Spin-wave and electromagnon dispersions in multiferroic MnWO₄ as observed by neutron spectroscopy: Isotropic Heisenberg exchange versus anisotropic Dzyaloshinskii-Moriya interaction
• Crystal structure, incommensurate magnetic order, and ferroelectricity in (Mn,Cu)WO₄
• Charge and spin order in rare earth ferrites: magnetoelectric?
• Domains of vector spin chirality in the ferroelectric phase of a Y-type hexaferrite
• Long-range charge order in YbFe₂O₄: similar ion size leads to similar order
• Fourfold charge order in stoichiometric YFe₂O₄
• Magnetic structures and magnetoelastic coupling of Fe-doped hexagonal manganites Lu(Mn,Fe)O₃
• Charge order in LuFe₂O₄ is not ferroelectric
• Magnetic phase competition induced by frustration in LuFe₂O₄

Magnetocalorics

• Magnetocaloric materials
• Strongly anisotropic structure and magnetism of MnFe₄Si₃
• Magnetocaloric effect linked to partial spin reordering in MnFe₄Si₃
• Inverse magnetocaloric effect in Mn₅Si₃ linked to magnetostructural transition

Thermoelectrics

• Dumbbell rattling and nanostructured thermoelectrics
• Guest tunneling and rattling in thermoelectric materials