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  1. Article

    Open Access

    Mobility enhancement in heavily doped semiconductors via electron cloaking

    Do** is central for solid-state devices from transistors to thermoelectric energy converters. The interaction between electrons and dopants plays a pivotal role in carrier transport. Conventional theory sugg...

    Jiawei Zhou, Hangtian Zhu, Qichen Song, Zhiwei Ding, Jun Mao in Nature Communications (2022)

  2. Article

    Open Access

    Observation of second sound in graphite over 200 K

    Second sound refers to the phenomenon of heat propagation as temperature waves in the phonon hydrodynamic transport regime. We directly observe second sound in graphite at temperatures of over 200 K using a su...

    Zhiwei Ding, Ke Chen, Bai Song, Jungwoo Shin, Alexei A. Maznev in Nature Communications (2022)

  3. Article

    Open Access

    Quantized thermoelectric Hall effect induces giant power factor in a topological semimetal

    Thermoelectrics are promising by directly generating electricity from waste heat. However, (sub-)room-temperature thermoelectrics have been a long-standing challenge due to vanishing electronic entropy at low ...

    Fei Han, Nina Andrejevic, Thanh Nguyen, Vladyslav Kozii in Nature Communications (2020)