Modulation of magnetic properties and enhanced magnetoelectric effects in MnW_1-xMo_xO₄ compounds

In this letter, we investigate the magnetic and ferroelectric properties of polycrystalline MnW_1-xMo_xO₄ (x = 0, 0.05, 0.10, 0.20) compounds. The substitution of nonmagnetic Mo⁶⁺ ions for W⁶⁺ ions modifies the magnetic transition temperatures of MnW_1-xMo_xO₄ by changing the Mn-O-Mn bond. As a result, distinct ferroelectric properties and enhanced magnetoelectric effects are observed in Mo⁶⁺-doped MnWO₄ compounds. The effects of substitution of Mo⁶⁺ ions on magnetic properties and magnetoelectric coupling are discussed.