Refractory Plasmonics with Titanium Nitride: Broadband Metamaterial Absorber Li, Wei ; Guler, Urcan ; Kinsey, Nathaniel ; Naik, Gururaj V. ; Boltasseva, Alexandra ; Guan, Jianguo ; Shalaev, Vladimir M. ; Kildishev, Alexander V. Abstract Publication: Advanced Materials Pub Date: December 2014 DOI: 10.1002/adma.201401874 Bibcode: 2014AdM....26.7959L