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Observation of second sound in graphite over 200 K
PhysicsNature Communications

Observation of second sound in graphite over 200 K

Z. Ding, K. Chen, et al.

Discover the groundbreaking observation of second sound in graphite at temperatures over 200 K! Researchers Zhiwei Ding, Ke Chen, Bai Song, Jungwoo Shin, Alexei A. Maznev, Keith A. Nelson, and Gang Chen have revealed that thermal-wave velocity increases with decreasing grating period, unlocking insights into ballistic, diffusive, and hydrodynamic phonons. This study predicts second sound presence at room temperature in isotopically pure graphite—don’t miss out!... show more
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