记者11月10日从中国科学技术大学获悉，该校超材料研究团队创新性提出了一种电热晶格超材料， 并首次通过单一结构平台，实现对电场和热场的协同与独立编程调控，破解了多物理场耦合调控的核心 难题。相关研究成果日前发表于国际期刊《先进材料》。 在智能能源管理、高性能电子器件等众多高端技术领域，往往需要同时对电场和热场进行精确调 控。然而，由于两种物理场本质上相互耦合，以及传统材料性能固定、结构设计静态化，实现二者的独 立、协同调控一直面临巨大挑战。 针对这一瓶颈，由中国科学技术大学教授赵刚、何立群、叶宏等组成的超材料研究团队从结构几何 入手，独辟蹊径地提出了电热晶格超材料的设计新范式。研究团队采用模块化设计策略，将超材料构建 为由大量相同晶格单元通过高导热/高导电"桥梁"连接而成的晶格网络。借助这一统一的拓扑框架，仅 需调整晶格单元的空间位置与几何形态，即可实现电、热场的协同塑形，突破了传统双场超材料的静态 设计局限与调控耦合难题。 "这类似于用乐高积木搭建复杂结构。"论文通讯作者赵刚解释，"通过精巧的几何设计，让连 接'桥'的截面远大于单元本身，确保了能量在传输时高效且不失真。最关键的是，在这个统一的'骨 架'上， ...

Core Insights - The research team from the University of Science and Technology of China has developed an innovative electro-thermal lattice metamaterial that allows for the independent and collaborative programming of electric and thermal fields, addressing a significant challenge in multi-physical field coupling control [1][2] Group 1: Research Breakthrough - The new design paradigm of electro-thermal lattice metamaterials enables precise control over both electric and thermal fields simultaneously, overcoming the limitations of traditional materials which have fixed properties and static designs [1] - The research team utilized a modular design strategy, constructing the metamaterial as a lattice network of identical unit cells connected by high thermal and electrical conductivity "bridges" [1][2] Group 2: Functional Demonstration - The innovative architecture successfully demonstrated multiple functionalities of electric and thermal fields within the same metamaterial device, including the ability to guide field lines around a region for "invisibility," focus energy at a point, and change the direction of field propagation [2] - The team showcased the capability to create complex shapes such as heart and pentagon forms for field control devices, highlighting the strong customization potential of this technology [2] Group 3: Implications for Technology Development - This research marks the first achievement in programmable decoupled control of electric and thermal coupling fields, challenging the traditional understanding that "material properties determine field control capabilities" [2] - The findings provide essential technological support for the development of devices in complex multi-physical field environments, which are crucial for advanced applications in smart energy management and high-performance electronic devices [1][2]

记者11月9日从中国科学技术大学获悉，该校超材料研究团队创新性地提出了一种"电热晶格超材料"， 并首次通过单一的结构平台，实现了对电场和热场的协同与独立编程调控，破解了多物理场耦合调控的 核心难题。相关研究成果日前发表于《先进材料》。 研究团队基于这一创新架构在同一个超材料器件上成功演示了电场与热场的多种功能。"这意味着，这 种超材料能引导场线绕过某个区域实现'隐身'，也能将场能量聚焦于一点实现'聚集'，还能改变场的传 播方向实现'旋转'。"赵刚说，研究团队还制备了心形、五角星等多种复杂形状的场调控器件，展现了 其强大的按需定制能力。 赵刚表示，这项研究首次实现电、热耦合场的可编程解耦调控，打破了"材料属性决定场调控能力"的传 统认知，为复杂多物理场环境下的器件开发提供核心技术支撑。（记者吴长锋，中国科大供图） 针对这一瓶颈，中国科大团队赵刚教授、何立群副教授、叶宏教授等组成的超材料研究联合团队，从结 构几何入手，独辟蹊径地提出了电热晶格超材料的设计新范式。研究团队采用模块化设计策略，将超材 料构建为由大量相同晶格单元通过高导热/高导电"桥梁"连接而成的晶格网络。借助这一统一的拓扑框 架，仅需调整晶格单元的空 ...