简要说明：测量热还原氧化石墨烯的热容量（低至 0.3 K

Pub Date : 2024-02-22 DOI:10.1063/10.0024332

V. V. Sumarokov, A. V. Dolbin, A. Jeżowski, D. Szewczyk, D. Gnida, N. A. Vinnikov, M. I. Bagatskii

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引用次数: 0

摘要

热松弛法测量了热还原氧化石墨烯（trGO）在 0.3 至 275 K 温度范围内的比热。研究发现，在 0.3-6 K 的温度范围内，trGO 的热容量与温度的关系存在异常行为，其特征发生了急剧变化。据推测，这种反常现象是由于杂质和缺陷、结构特征的影响造成的。

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Short notes: Measurements on the heat capacity of thermal reduced graphene oxide down to 0.3 K

The specific heat of thermally reduced graphene oxide (trGO) was measured by a thermal relaxation method in the temperature range from 0.3 to 275 K. It was found that the temperature dependence of the heat capacity С(Т)/T vs T2 of trGO is nonmonotonic. It has been established that in the temperature range of 0.3–6 K there is an anomalous behavior of the temperature dependence of the heat capacity trGO, sharply changing its character. It is assumed that this anomaly is due to the influence of impurities and defects, structural features.

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