Zobrazeno 1 - 10 of 21 pro vyhledávání: '"Hiroyuki Iechi"'
1
Growth of bulk single crystal ScAlMgO4 boules and GaN films on ScAlMgO4 substrates for GaN-based optical devices, high-power and high-frequency transistors
Autor: Toki Nanto, Kazumasa Sugiyama, Tsuguo Fukuda, Kazuyuki Tadatomo, Yuji Shiraishi, Takashi Fujii, Hiroyuki Iechi, Rayko Simura
Publikováno v: Journal of Crystal Growth. 574:126286
Single crystal growth of ScAlMgO4 boules with 10 mm up to 4 in. (c.a. 101.6 mm) in diameter by Czochralski technique was demonstrated. Some high quality ScAlMgO4 single crystal boules with 2-inches (c.a. 50.8 mm) in diameter were successfully grown w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::000b19815dc45e282ff6c7c219b1a3a8
https://doi.org/10.1016/j.jcrysgro.2021.126286
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3
Characterization of Zinc Oxide and Pentacene Thin Film Transistors for CMOS Inverters
Autor: Hiroshi Yamauchi, Yasuyuki Watanabe, Kazuhiro Kudo, Hiroyuki Iechi
Publikováno v: IEICE Transactions on Electronics. :1843-1847
We fabricated both thin film transistors (TFTs) and diodes using zinc oxide (ZnO) and pentacene, and investigated their basic characteristics. We found that field-effect mobility is influenced by the interface state between the semiconductor and diel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3042ab45efc7a75f103720a1f1580c25
https://doi.org/10.1093/ietele/e91-c.12.1843
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5
Inverter Circuits using Pentacene and ZnO Transistors
Autor: Kazuhiro Kudo, Hiroyuki Iechi, Yasuyuki Watanabe
Publikováno v: Japanese Journal of Applied Physics. 46:2645-2649
We report two types of integrated circuits based on a pentacene static-induction transistor (SIT), a pentacene thin-film transistor (TFT) and a zinc oxide (ZnO) TFT. The operating characteristics of a p-p inverter using pentacene SITs and a complemen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76702343ecccd5f754e7237cc2ea747c
https://doi.org/10.1143/jjap.46.2645
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6
Improvement in On/Off Ratio of Pentacene Static Induction Transistors by Controlling Hole Injection Barrier
Autor: Yasuyuki Watanabe, Kazuhiro Kudo, Hiroyuki Iechi
Publikováno v: Japanese Journal of Applied Physics. 46:2717-2721
For the realization of high-performance organic static induction transistors (OSITs), it is important to investigate the effect of a hole injection barrier at the interface between a pentacene films and a source electrode in OSITs. In this study, the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ff9589d923fdbe8a33b39052c759cbe
https://doi.org/10.1143/jjap.46.2717
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7
Improvement in On/Off Ratio of Pentacene Static Induction Transistors with Ultrathin CuPc Layer
Autor: Kazuhiro Kudo, Hiroyuki Iechi, Yasuyuki Watanabe
Publikováno v: Japanese Journal of Applied Physics. 45:3698-3703
Conventional organic static induction transistors (OSITs) have been directly fabricated on a source electrode formed on a substrate without the investigation of the effect of a surface treatment on device characteristics. We have fabricated the OSITs
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59b686b2454112becab83982fd5ba452
https://doi.org/10.1143/jjap.45.3698
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8
Vertical-type organic device using thin-film ZnO transparent electrode
Autor: Kazuhiro Kudo, Masakazu Nakanura, Takeshi Okawara, Hiroyuki Iechi, Masatoshi Sakai
Publikováno v: Electrical Engineering in Japan. 158:49-55
We propose a double heterojunction organic light-emitting diode (OLED) using a zinc oxide (ZnO) film, which works as a transparent and electron injection layer. The crystal structure of the ZnO films as a function of Ar/O2 flow ratio and the basic ch
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2210aaa60b4896bfef0a9dfe311f3a9b
https://doi.org/10.1002/eej.20151
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9
Vertical Type Organic Device Using Thin-Film ZnO Transparent Electrode
Autor: Kazuhiro Kudo, Takeshi Okawara, Masatoshi Sakai, Masakazu Nakanura, Hiroyuki Iechi
Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 124:1207-1212
We propose a double heterojunction type organic light emitting diodes (OLED) using zinc oxide (ZnO) films, which works as a transparent and electron injection layer. The crystal structure of the ZnO films as a function of Ar/O2 flow ratio and the bas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62db6ad122f07b4558ae9ef3b8f94c6a
https://doi.org/10.1541/ieejeiss.124.1207
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10
Vertical-Type Organic Transistors
Autor: Kazuhiro Kudo, Hiroyuki Iechi
PROBLEM TO BE SOLVED: To provide a vertical type organic transistor at a low cost wherein high operational speed and high power are realized and mass production is enabled with superior reproducibility. SOLUTION: In the vertical type organic transist
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::682555b139e4b99d494ebc37dc87a26a
https://doi.org/10.1201/9781420072914-17
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