Monolithic translucent BaMgAl10O17:Eu2+ phosphors for laser-driven solid state lighting

Autor: Clayton Cozzan, Michael J. Brady, Nicholas O’Dea, Emily E. Levin, Shuji Nakamura, Steven P. DenBaars, Ram Seshadri

Publikováno v: AIP Advances, Vol 6, Iss 10, Pp 105005-105005-6 (2016)

With high power light emitting diodes and laser diodes being explored for white light generation and visible light communication, thermally robust encapsulation schemes for color-converting inorganic phosphors are essential. In the current work, the

Externí odkaz: https://doaj.org/article/d9bb3b9260ec40218e6915e6d3a40e9f

Understanding the links between composition, polyhedral distortion, and luminescence properties in green-emitting β-Si6−zAlzOzN8−z:Eu2+ phosphors

Autor: Alexander Mikhailovsky, Mahalingam Balasubramanian, Geneva Laurita, Ram Seshadri, Clayton Cozzan, Michael W. Gaultois, Marcus Cohen

Publikováno v: Journal of Materials Chemistry C. 5:10039-10046

Inorganic phosphor materials play a crucial role in the creation of white light from blue and near-UV solid-state light-emitting diodes. Understanding the intricacies of the phosphor structure is key for setting the stage for improved, more efficient

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02925416ebe0b67ad5515532abc9e976
https://doi.org/10.1039/c7tc03039h

Transmission Geometry Laser Lighting with a Compact Emitter

Autor: Caroline E. Reilly, Guillaume Lheureux, Clayton Cozzan, Emet Zeitz, Tal Margalith, Shuji Nakamura, Ram Seshadri, Claude Weisbuch, Steven P. DenBaars

Publikováno v: physica status solidi (a), vol 217, iss 22

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0479d90c91302ed636a9c9078b4560fe
https://doi.org/10.1002/pssa.202070062

Semipolar GaN-based laser diodes for Gbit/s white lighting communication: devices to systems

Autor: Robert M. Farrell, Steven P. DenBaars, Changmin Lee, James S. Speck, Ahmed Y. Alyamani, Shuji Nakamura, Chao Shen, Clayton Cozzan, Boon S. Ooi, John E. Bowers

Publikováno v: Gallium Nitride Materials and Devices XIII.

We report the high-speed performance of semipolar GaN ridge laser diodes at 410 nm and the dynamic characteristics including differential gain, damping, and the intrinsic maximum bandwidth. To the best of our knowledge, the achieved modulation bandwi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::997a42c72ceb7726c7381d927fb7c47e
https://doi.org/10.1117/12.2315791

Correlating Local Compositions and Structures with the Macroscopic Optical Properties of Ce3+-Doped CaSc2O4, an Efficient Green-Emitting Phosphor

Autor: Ram Seshadri, Géraldine Dantelle, Jakoah Brgoch, Andrew J. Pell, Adam Jaffe, Nathan C. George, Clayton Cozzan, Guido Pintacuda, Bradley F. Chmelka, Anna Llobet

Publikováno v: Chemistry of Materials
Chemistry of Materials, American Chemical Society, 2017, 29 (8), pp.3538-3546. ⟨10.1021/acs.chemmater.6b05394⟩
Chemistry of Materials, 2017, 29 (8), pp.3538-3546. ⟨10.1021/acs.chemmater.6b05394⟩

The authors thank J. Siewenie for assistance with collection of the neutron powder diffraction data and Dr. Z. Gan for assistance with the 43Ca NMR measurements.; International audience; Calcium scandate (CaSc2O4) substituted with small amounts (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d37086f39e7a0fadf33fc678fc5a3d4d
https://hal.archives-ouvertes.fr/hal-01539898