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有缺陷的纹石墨烯环的导热性有缺陷

Qingxiang Ji¹, Bohan Li¹, Muamer Kadic²

¹National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, People's Republic of China.

Journal of physics. Condensed matter : an Institute of Physics journal

|April 5, 2024

概括

这项研究模拟了缺陷石墨烯环中的纹,发现缺陷和尺寸显著影响热导率,而不是纹. 这为热操纵策略提供了见解.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
凝聚物质物理学凝聚物质物理学

背景情况:

石墨烯环显示出生物传感器和共振器的前景.
石墨烯环中的纹可以改变其物理性质.
了解和预测纹对于应用至关重要.

研究的目的:

在有缺陷的石墨烯环中开发扭曲纹的理论模型.
为了研究纹石墨烯环的导热性.
阐明纹和缺陷对热传输的影响.

主要方法:

扭曲纹行为的理论建模.
在不同的纹水平,缺陷度和半径下分析导热率.
语音密度的状态分析,以揭示影响机制.

主要成果:

建立了一个模型,预测缺陷石墨烯环中的纹水平.
增加的半径,缺陷度和扭曲角度增强了纹幅度与波长的比率.
空隙缺陷和环半径显著影响热导率,比扭曲纹更重要.

结论:

提供了通过纹调整进行热操纵的理论指导.
缺陷和结构参数是石墨烯环中的导热率的关键决定因素.
波的行为解释了纹和缺陷对热性质的影响.

关键词:

有缺陷的石墨烯环.语音密度状态的状态密度.导热率导热率导热率导热率导热率导热率纹行为纹行为.

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