Publications by authors named "Jonathan Lundquist"
Wearable biosensors for continuous health monitoring, particularly those used for glucose detection, have a limited operational lifetime due to biodegradation and fouling. As a result, patients must change sensors frequently, increasing cost and patient discomfort. Arrays of multiple sensors, where the individual devices can be activated on demand, increase overall operational longevity, thereby reducing cost and improving patient outcomes.
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- The study explores a complex interaction between phonons (sound waves), magnons (spin waves), and photons (light waves) in a specially designed 2D multiferroic material made of elliptical nanomagnets on a piezoelectric substrate.
- When surface acoustic waves launch into the substrate, they cause the magnetizations of the nanomagnets to oscillate, leading to the generation of confined spin-wave modes (magnons).
- This interaction is then harnessed to create an ultra-efficient sub-wavelength electromagnetic antenna, achieving significantly higher radiation efficiency and gain compared to traditional antennas, supported by both experiments and simulations.