Thermal Transport Mechanisms at Nanoscale Point Contacts

  title={Thermal Transport Mechanisms at Nanoscale Point Contacts},
  author={Li Shi Arunava Majumdar},
We have experimentally investigated the heat transfer mechanisms at a 90 610 nm diameter point contact between a sample and a probe tip of a scanning thermal micros (SThM). For large heated regions on the sample, air conduction is the dominant sample heat transfer mechanism. For micro/nano devices with a submicron loca heated region, the air conduction contribution decreases, whereas conduction throug solid-solid contact and a liquid meniscus bridging the tip-sample junction become im tant… CONTINUE READING
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