Al-doping-induced magnetocapacitance in the multiferroic AgCrS<sub>2</sub>

Al-doping-induced magnetocapacitance in the multiferroic AgCrS₂

Liu Rong-Deng†^a),^b), He Lun-Hua^a), Yan Li-Qin^a), Wang Zhi-Cui^a), Sun Yang^a), Liu Yun-Tao^b), Chen Dong-Feng^b), Zhang Sen^c), Zhao Yong-Gang^c), Wang Fang-Wei‡^a)

(a) Temperature-dependent dielectric constants measured at zero field and in an external magnetic field of 7 T at five frequencies (0.5 kHz, 1 kHz, 5 kHz, 10 kHz, and 100 kHz). (b) Temperature-dependent dielectric constants of AgCrS₂ under the same experimental condition. (c) a measure of magnetocapacitance, with Δ ε = ε (7 T) – ε (0 T), for the five different frequencies.