The low-temperature specific heat of thermal reduced graphene oxide

被引：7

作者：

Sumarokov, V. V. ^{[1
]}

Jezowski, A. ^{[2
]}

Szewczyk, D. ^{[2
]}

Dolbin, A. V. ^{[1
]}

Vinnikov, N. A. ^{[1
]}

Bagatskii, M. I. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, 47 Nauky Ave, UA-61103 Kharkiv, Ukraine

[2] Polish Acad Sci, W Trzebiatowski Inst Low Temp & Struct Res, POB 1410, PL-50950 Wroclaw, Poland

来源：

LOW TEMPERATURE PHYSICS | 2020年 / 46卷 / 03期

关键词：

graphene oxide; graphite oxide; heat capacity; low-dimensional systems; REDUCTION; SORPTION; CAPACITY; HE-4;

D O I：

10.1063/10.0000703

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Measurements of heat capacity at constant pressure of thermally reduced graphene oxide (trGO) and graphite oxide (GtO) were performed in the temperature range from 1.8 to 275 K by thermal relaxation method. Above 15 K, the specific heat values of trGO and GtO are close to each other within 20%. Below 10 K, the ratio of the specific heat of trGO to the specific heat of GtO increases with decreasing temperature and reaches 5 at 2 K. It was found that the temperature dependence of the specific heat of trGO is of a complex character. There are temperature ranges in which of the specific heat of trGO is close to either linear or T-2.5.

引用

页码：301 / 305

页数：5

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