论文标题

基于双核金属复合物的量子stirling引擎

Quantum Stirling engine based on dinuclear metal complexes

论文作者

Cruz, Clebson, Rastegar-Sedehi, Hamid-Reza, Anka, Maron F., de Oliveira, Thiago R., Reis, Mario

论文摘要

低维金属络合物是具有可调型物理和化学特性的多功能材料,使这些系统有希望的平台用于热量应用。在这种情况下,这项工作提出了一个基于双核金属复合物作为工作物质的量子stirling循环。结果表明,在考虑材料的磁耦合和储层温度的变化时,可以管理量子循环操作模式。此外,磁敏感性可用于表征每个周期步骤的热交换,因此可以表征其性能。作为概念的证明,从实验敏感性数据中获得了热发动机的效率。这些结果打开了使用金属配合物研究量子热力学循环的门。并进一步基于这些高级材料的新兴量子技术的发展。

Low-dimensional metal complexes are versatile materials with tunable physical and chemical properties that make these systems promising platforms for caloric applications. In this context, this work proposes a quantum Stirling cycle based on a dinuclear metal complex as a working substance. The results show that the quantum cycle operational modes can be managed when considering the change in the magnetic coupling of the material and the temperature of the reservoirs. Moreover, magnetic susceptibility can be used to characterize the heat exchanges of each cycle step and, therefore, its performance. As a proof of concept, the efficiency of the heat engine is obtained from experimental susceptibility data. These results open doors for studying quantum thermodynamic cycles by using metal complexes; and further the development of emerging quantum technologies based on these advanced materials.

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