Moving the Plasmon of LaB6 from IR to Near-IR via Eu-Doping
AbstractLanthanum hexaboride (LaB6) has become a material of intense interest in recent years due to its low work function, thermal stability and intriguing optical properties. LaB6 is also a semiconductor plasmonic material with the ability to support strong plasmon modes. Some of these modes uniquely stretch into the infrared, allowing the material to absorb around 1000 nm, which is of great interest to the window industry. It is well known that the plasmon of LaB6 can be tuned by controlling particle size and shape. In this work, we explore the options available to further tune the optical properties by describing how metal vacancies and Eu doping concentrations are additional knobs for tuning the absorbance from the near-IR to far-IR in La1−xEuxB6 (x = 0, 0.2, 0.5, 0.8, and 1.0). We also report that there is a direct correlation between Eu concentration and metal vacancies within the Eu1−xLaxB6. View Full-Text
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Mattox, T.M.; Coffman, D.K.; Roh, I.; Sims, C.; Urban, J.J. Moving the Plasmon of LaB6 from IR to Near-IR via Eu-Doping. Materials 2018, 11, 226.
Mattox TM, Coffman DK, Roh I, Sims C, Urban JJ. Moving the Plasmon of LaB6 from IR to Near-IR via Eu-Doping. Materials. 2018; 11(2):226.Chicago/Turabian Style
Mattox, Tracy M.; Coffman, D. K.; Roh, Inwhan; Sims, Christopher; Urban, Jeffrey J. 2018. "Moving the Plasmon of LaB6 from IR to Near-IR via Eu-Doping." Materials 11, no. 2: 226.
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