材料科学
光热治疗
光电子学
纳米结构
表面等离子共振
等离子体子
纳米技术
薄膜
红外线的
光学
纳米颗粒
物理
作者
Ramu Pasupathi Sugavaneshwar,Ørjan Sele Handegård,Anh Tung Doan,Thien Duc Ngo,Toan Phuoc Tran,Hai Dang Ngo,Thang Duy Dao,Satoshi Ishii,Shigeki Otani,Tadaaki Nagao
标识
DOI:10.1002/adom.202101787
摘要
Abstract The growth of highly crystalline LaB 6 films with an excellent optical response and low loss is reported, which will be useful for high‐performance photothermal device applications when combined with their inherent refractory properties. Optimum growth parameters for realizing uniaxial and coherent LaB 6 thin films, exhibiting an excellent plasmonic response for near‐ to mid‐infrared device applications, are established. Numerical electromagnetic simulations of the epitaxial LaB 6 nanostructures revealed that the electromagnetic field at the LaB 6 surface can be as high as that of the Au nanostructures. Furthermore, the LaB 6 nanostructures show resonance in the visible (red) to mid‐infrared region comparable to those of Au with the added advantage of improved temperature stability that can withstand harsh photothermal device operations.
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