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Dive into the research topics where Eriko Matsuura is active.

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Featured researches published by Eriko Matsuura.


Applied Physics Express | 2018

High external quantum efficiency (10%) AlGaN-based deep-ultraviolet light-emitting diodes achieved by using highly reflective photonic crystal on p-AlGaN contact layer

Yukio Kashima; Noritoshi Maeda; Eriko Matsuura; Masafumi Jo; Takeshi Iwai; Toshiro Morita; Mitsunori Kokubo; Takaharu Tashiro; Ryuichiro Kamimura; Yamato Osada; Hideki Takagi; Hideki Hirayama

We increased the light-extraction efficiency (LEE) of AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) by introducing a highly reflective photonic crystal (HR-PhC) into the surface of the p-AlGaN contact layer, thereby achieving a high external quantum efficiency (EQE). A low-damage HR-PhC with a lattice period of approximately 250 nm was fabricated using nanoimprinting and dry etching. A reflective Ni/Mg p-type electrode was deposited on the HR-PhC layer using a tilted-evaporation method. The EQE of a conventional DUV LED with emission around 283 nm was increased from 4.8 to 10% by introducing the HR-PhC and the reflective Ni/Mg electrode. A simple estimation of the effective reflectance of the HR-PhC p-AlGaN contact layer with the Ni/Mg electrode indicated a value exceeding 90%.


Archive | 2012

Light emitting element and method for manufacturing same

Yukio Kashima; Eriko Matsuura; Hiromi Nishihara; Takaharu Tashiro; Takafumi Ookawa; Hideki Hirayama; Sachie Fujikawa; Sung Won Youn; Hideki Takagi; Ryuichiro Kamimura; Yamato Osada


Archive | 2009

Light Emitting Element and Method for Manufacturing the Same

Yukio Kashima; Eriko Matsuura; Hiromi Nishihara; Takaharu Tashiro; Takafumi Ookawa; Hideki Hirayama; Sachie Fujikawa; Sung Won Youn; Hideki Takagi; Ryuichiro Kamimura; Yamato Osada


Archive | 2015

METHOD OF CALCULATING PARAMETER OF PHOTONIC CRYSTAL PERIODIC STRUCTURE, PROGRAM, AND RECORDING MEDIUM

行雄 鹿嶋; Yukio Kashima; 恵里子 松浦; Eriko Matsuura; 小久保 光典; Mitsunori Kokubo; 光典 小久保; 田代 貴晴; Takaharu Tashiro; 貴晴 田代; 貴史 大川; Takashi Okawa; 秀樹 平山; Hideki Hirayama; 成圓 尹; Sung-Won Youn; 高木 秀樹; Hideki Takagi; 秀樹 高木; 隆一郎 上村; Ryuichiro Kamimura; 大和 長田; Yamato Osada; 聡 嶋谷; Satoshi Shimatani


Archive | 2014

Deep ultraviolet led and method for manufacturing same

Yukio Kashima; Eriko Matsuura; Mitsunori Kokubo; Takaharu Tashiro; Takafumi Ookawa; Hideki Hirayama; Ryuichiro Kamimura; Yamato Osada; Satoshi Shimatani


Archive | 2014

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

Yukio Kashima; Eriko Matsuura; Mitsunori Kokubo; Takaharu Tashiro; Takafumi Ookawa; Hideki Hirayama; Won Sung Youn; Hideki Takagi; Ryuichiro Kamimura; Yamato Osada; Satoshi Shimatani


IEICE technical report. Component parts and materials | 2014

The micro machining process technology of nano imprint and dry etching to improve the efficiency of nitride LED

Yukio Kashima; Eriko Matsuura; Satoshi Shimatani; Mitsunori Kokubo; Takaharu Tashiro; Takafumi Ookawa; Ryuichiro Kamimura; Yamato Osada; Sachie Fujikawa; Hideki Hirayama


The Japan Society of Applied Physics | 2018

Improvement of EQE in AlGaN deep-UV LED fabricating highly-reflective PhC on p-GaN contact layer

Yukio Kashima; Yasuhiro Watanabe; Tomohiko Shibata; Noritoshi Maeda; Eriko Matsuura; Takeshi Iwai; Mitsunori Kokubo; Takaharu Tashiro; Kanji Furuta; Ryuichiro Kamimura; Yamato Osada; Hideki Takagi; Yuichi Kurashima; Yasushi Iwaisako; Tsugumi Nagano; Hideki Hirayama


IEICE technical report. Component parts and materials | 2014

Fabrication of high-quality AlN buffer layer for deep-UV LEDs grown on wet chemical etched patterned sapphire substrate

Yuuya Kanazawa; Shiro Toyoda; Issei Ohshima; Norihiko Kamata; Yukio Kashima; Eriko Matsuura; Satoshi Shimatani; Mitsunori Kokubo; Takaharu Tashiro; Takafumi Ohkawa; Ryuichiro Kamimura; Yamato Osada; Hideki Hirayama


Archive | 2012

Élément électroluminescent et son procédé de fabrication

Yukio Kashima; 行雄 鹿嶋; Eriko Matsuura; 恵里子 松浦; Hiromi Nishihara; 西原 浩巳; Takaharu Tashiro; 田代 貴晴; Takafumi Ookawa; 貴史 大川; Hideki Hirayama; 秀樹 平山; Sachie Fujikawa; 紗千恵 藤川; Sung Won Youn; 成圓 尹; Hideki Takagi; 高木 秀樹; Ryuichiro Kamimura; 隆一郎 上村; Yamato Osada; 大和 長田

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Hideki Takagi

National Institute of Advanced Industrial Science and Technology

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