Hexagonal Manganites—(RMnO₃): Class (I) Multiferroics with Strong Coupling of Magnetism and Ferroelectricity

Figure 22

Heat capacity 𝐶_𝑝(𝑇,𝐻) of HoMnO₃ in the high-field range. The transition into the LT2 phase is marked by the sharp peak at 𝑇₄.