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Ultrasounds are a proven medical tool to assess some biological processes, including breast cancer screening, fetal development and blood perfusion. However, ultrasounds also have the potential to deliver power and telemetry capabilities to deeply implant devices, surpassing some of the challenges faced by coils or antennas operating inside the human body. In this paper, we present a small-form implantable...
Wearable technology has become ubiquitous in recent years due to the miniaturization of circuit electronics and advances in smart materials that can conform to the requirements posed by the human body, behaviour and experience. Sensors of this type are found attached almost to every body segment, capable of delivering signals even in harsh activity scenarios. The reliability and relevance of the physiological...
In the present work, the impedance spectroscopy and conductivity mechanism of multiferroic CoFe 2 O 4 –Pb(Zr 0.53 Ti 0.47 )O 3 composite thick films have been investigated. Temperature dependent impedance spectroscopy analysis was conducted in the temperature range of 25–275°C with the frequency ranging from 100Hz to 1MHz. Two impedance relaxation peaks were...
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