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几何对热力学响应的影响

The Effect of Geometry on Thermodynamic Response

Bojana Bokic, Sébastien R. Mouchet, Biljana Stankov, Sanja Ostojic, Nicolas Roy, Darko Vasiljevic, Yin Chang, Marija Radmilovic-Radjenovic, Branislav Radjenovic, Thierry Verbiest, Mohamed Hatifi, Branko Kolaric

arXiv 2608.26898首次发表:更新:

发表机构

University of Belgrade; University of Namur; University of Exeter; National Sun Yat-sen University(贝尔格莱德大学; 纳穆尔大学; 埃克塞特大学; 国立中山大学)

机构由 AI 辅助整理,请以论文原文为准。

AI 中文总结

该研究探究纳米/微米尺度几何对热力学响应的影响,发现复杂纳米几何可引发异常热容响应,且无需改变系统化学组成即可通过几何调控表观热容响应,对热管理等应用有重要意义。

AI 中文摘要

在纳米和微米尺度,多种图案会影响并塑造热与光学响应,这对多种生物物种的生存至关重要。此外,控制热辐射对热管理、光谱学、光电子学及能量转换技术等广泛应用至关重要。因此,阐明纳米尺度热辐射的物理机制具有强烈需求。本文提供证据表明,复杂的纳米尺度几何结构会影响热管理,导致热容测量中随温度变化出现异常热响应。除了确定与这种异常热力学响应相关的结构约束外,本研究还提出了无需改变系统化学组成即可通过几何结构调控表观热容响应的可能性。

英文摘要

At the nano- and microscale, various patterns influence and shape thermal and optical response, making them essential for the survival of various biological species. In addition, controlling thermal radiation is vital for a broad range of applications, such as thermal management, spectroscopy, optoelectronics, and energy conversion technologies. For this reason, there is strong pressure to elucidate the physics of thermal radiation at the nanoscale. In this article, we provide evidence that complex nanoscale geometries affect thermal management, leading to an unusual thermal response in heat-capacity measurements as a function of temperature. Beyond identifying the structural constraints associated with this unusual thermodynamic response, the current study introduces the possibility of shaping the apparent heat-capacity response through geometry without necessarily altering the system's chemistry.

论文原文

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