Performance and Reliability of Deep-Ultraviolet Light-Emitting Diodes Fabricated on AlN Substrates Prepared by Hydride Vapor Phase Epitaxy
The reliability and output power of AlGaN-based deep-ultraviolet light-emitting diodes (DUV-LEDs) fabricated on AlN substrates prepared by hydride vapor phase epitaxy are reported. TEM analysis revealed that dislocation density in LED layers, except the p-GaN layer, was below $10^{6}$ cm -2 . DUV-LE...
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| Veröffentlicht in: | Applied physics express 2013-09, Vol.6 (9), p.092103-092103-3 |
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| creator | Kinoshita, Toru Obata, Toshiyuki Nagashima, Toru Yanagi, Hiroyuki Moody, Baxter Mita, Seiji Inoue, Shin-ichiro Kumagai, Yoshinao Koukitu, Akinori Sitar, Zlatko |
| description | The reliability and output power of AlGaN-based deep-ultraviolet light-emitting diodes (DUV-LEDs) fabricated on AlN substrates prepared by hydride vapor phase epitaxy are reported. TEM analysis revealed that dislocation density in LED layers, except the p-GaN layer, was below $10^{6}$ cm -2 . DUV-LEDs emitting at 261 nm exhibited an output power of 10.8 mW at 150 mA. The lifetime of these LEDs was estimated to be over 10,000 h for cw operation at 50 mA. No significant acceleration of output power decay at higher operation currents was observed. The estimated lifetime at the operation current of 150 mA was over 5,000 h. |
| doi_str_mv | 10.7567/APEX.6.092103 |
| format | Article |
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TEM analysis revealed that dislocation density in LED layers, except the p-GaN layer, was below $10^{6}$ cm -2 . DUV-LEDs emitting at 261 nm exhibited an output power of 10.8 mW at 150 mA. The lifetime of these LEDs was estimated to be over 10,000 h for cw operation at 50 mA. No significant acceleration of output power decay at higher operation currents was observed. The estimated lifetime at the operation current of 150 mA was over 5,000 h.</description><identifier>ISSN: 1882-0778</identifier><identifier>EISSN: 1882-0786</identifier><identifier>DOI: 10.7567/APEX.6.092103</identifier><language>eng</language><publisher>The Japan Society of Applied Physics</publisher><ispartof>Applied physics express, 2013-09, Vol.6 (9), p.092103-092103-3</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-d16b1f1ee53d680767f0573ff5da84d6a4e01978898d414dc6e7405ce6b044773</citedby><cites>FETCH-LOGICAL-c364t-d16b1f1ee53d680767f0573ff5da84d6a4e01978898d414dc6e7405ce6b044773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Kinoshita, Toru</creatorcontrib><creatorcontrib>Obata, Toshiyuki</creatorcontrib><creatorcontrib>Nagashima, Toru</creatorcontrib><creatorcontrib>Yanagi, Hiroyuki</creatorcontrib><creatorcontrib>Moody, Baxter</creatorcontrib><creatorcontrib>Mita, Seiji</creatorcontrib><creatorcontrib>Inoue, Shin-ichiro</creatorcontrib><creatorcontrib>Kumagai, Yoshinao</creatorcontrib><creatorcontrib>Koukitu, Akinori</creatorcontrib><creatorcontrib>Sitar, Zlatko</creatorcontrib><title>Performance and Reliability of Deep-Ultraviolet Light-Emitting Diodes Fabricated on AlN Substrates Prepared by Hydride Vapor Phase Epitaxy</title><title>Applied physics express</title><description>The reliability and output power of AlGaN-based deep-ultraviolet light-emitting diodes (DUV-LEDs) fabricated on AlN substrates prepared by hydride vapor phase epitaxy are reported. TEM analysis revealed that dislocation density in LED layers, except the p-GaN layer, was below $10^{6}$ cm -2 . DUV-LEDs emitting at 261 nm exhibited an output power of 10.8 mW at 150 mA. The lifetime of these LEDs was estimated to be over 10,000 h for cw operation at 50 mA. No significant acceleration of output power decay at higher operation currents was observed. 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TEM analysis revealed that dislocation density in LED layers, except the p-GaN layer, was below $10^{6}$ cm -2 . DUV-LEDs emitting at 261 nm exhibited an output power of 10.8 mW at 150 mA. The lifetime of these LEDs was estimated to be over 10,000 h for cw operation at 50 mA. No significant acceleration of output power decay at higher operation currents was observed. The estimated lifetime at the operation current of 150 mA was over 5,000 h.</abstract><pub>The Japan Society of Applied Physics</pub><doi>10.7567/APEX.6.092103</doi></addata></record> |
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| title | Performance and Reliability of Deep-Ultraviolet Light-Emitting Diodes Fabricated on AlN Substrates Prepared by Hydride Vapor Phase Epitaxy |
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