The following paper describes performance of CVD graphene under influence of a glow discharge plasma of very low energy. The presented experimental results show changes in graphene resistance followed by alternations of magnitude and polarity of Hall voltage, that are controlled via the ignition of plasma. The Hall voltage polarity reversal represents changes in the nature of electrical conductivity, distinguishing between positive (holes) or negative (electrons) charges carrying the current in the graphene sample under the given conditions.

中文翻译：

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石墨烯在辉光放电等离子体下的行为

以下论文描述了 CVD 石墨烯在极低能量辉光放电等离子体影响下的性能。所呈现的实验结果显示了石墨烯电阻的变化，随后是霍尔电压的大小和极性的变化，这是通过等离子体的点火控制的。霍尔电压极性反转表示导电性性质的变化，区分在给定条件下石墨烯样品中携带电流的正（空穴）或负（电子）电荷。