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A unique concept for harvesting electrical energy from thermal energy is presented. A thermomechanical actuator was fabricated using ferromagnetic material. The device converts thermal energy into mechanical energy, which can be converted into electrical energy using piezoelectric materials. Magnetic force and operating frequency were measured on the device. Results show that the current power density at ⌬T = 50 K is between 1.85 and 3.61 mW/ cm 2 . A thermal finite element analysis model isdoi:10.1063/1.2775096 fatcat:6yxjc5xpcvc33doqnzuvws3vca