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Hideharu Iwasaki

Kumamoto University

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Publication

Featured researches published by Hideharu Iwasaki.

Japanese Journal of Applied Physics | 2011

Synthesis of wurtzite-type ZnMgS by the pulsed plasma in liquid

Emil Omurzak; Wataru Shimokawa; Kengo Taniguchi; Liliang Chen; Makoto Okamoto; Hideharu Iwasaki; Michiaki Yamasaki; Yoshihito Kawamura; Saadat Sulaimankulova; Tsutomu Mashimo

Wurtzite-type ZnMgS (w-ZnMgS) nanoparticles were synthesized using the pulsed plasma in liquid method. By the pulsed plasma generated between two electrodes made of ZnMg alloy in liquid sulfur, we produced w-ZnMgS nanocrystals mixed with Zn2Mg and MgS. Higher purity w-ZnMgS sample was achieved by annealing at 773 K. The synthesized ZnMgS nanoparticles were of spherical shape and contained of many crystal defects (stacking faults). Ultraviolet?visible (UV?vis) absorption spectroscopy analysis of the synthesized w-ZnMgS showed absorption edge broadening and appearance of a small absorption band at around 400 nm even without doping.

Archive | 2009

Process for producing zinc oxide nanoparticles, and zinc oxide nanoparticles

Tsutomu Mashimo; 真下茂; Omurzak Uulu Emil; オムルザク ウル エミル; Naoto Kameyama; 亀山直人; Makoto Okamoto; 岡本真人; Yoshiaki Yasuda; 安田佳明; Hideharu Iwasaki; 岩崎秀治

Archive | 2010

Lower order titanium oxide and process for producing same

Tsutomu Mashimo; Omurzak Uulu Emil; Naoto Kameyama; Makoto Okamoto; Yoshiaki Yasuda; Hideharu Iwasaki

Archive | 2009

METHOD OF PRODUCING GROUP II-VI COMPOUND SEMICONDUCTOR, METHOD OF PRODUCING GROUP II-VI COMPOUND SEMICONDUCTOR PHOSPHOR, AND HEXAGONAL GROUP II-VI COMPOUND SEMICONDUCTOR

Tsutomu Mashimo; Omurzak Uulu Emil; Makoto Okamoto; Hideharu Iwasaki

Archive | 2008

Titanium oxide and process for producing the titanium oxide

Tsutomu Mashimo; Omurzak Uulu Emil; Sulaimankulova Saadat; Makoto Okamoto; Hideharu Iwasaki

Archive | 2008

TITANIUM OXIDE AND METHOD OF PRODUCING THE SAME

Tsutomu Mashimo; Omurzak Uulu Emil; Sulaimankulova Saadat; Makoto Okamoto; Hideharu Iwasaki

Archive | 2010

LOW VALENCE TITANIUM OXIDES AND METHOD OF PRODUCING THE SAME

Tsutomu Mashimo; Omurzak Uulu Emil; Naoto Kameyama; Makoto Okamoto; Yoshiaki Yasuda; Hideharu Iwasaki

Archive | 2010

PROCESS FOR PRODUCING LOW VALENCE TITANIUM OXIDE

Tsutomu Mashimo; Omurzak Uulu Emil; Naoto Kameyama; Makoto Okamoto; o Kuraray Co. Ltd.; Yoshiaki Yasuda; Hideharu Iwasaki

Archive | 2009

Ii－vi族化合物半導体の製造方法、ii－vi族化合物半導体蛍光体の製造方法、および六方晶ii－vi族化合物半導体

Tsutomu Mashimo; Omurzak Uulu Emil; Makoto Okamoto; Hideharu Iwasaki

Archive | 2008

Titanoxid und verfahren zur herstellung des titanoxids

Tsutomu Mashimo; Omurzak Uulu Emil; Sulaimankulova Saadat; Makoto Okamoto; Hideharu Iwasaki

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Makoto Okamoto

Kumamoto University

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Tsutomu Mashimo

Kumamoto University

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Omurzak Uulu Emil

Kumamoto University

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Sulaimankulova Saadat

Kumamoto University

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Naoto Kameyama

Kumamoto University

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Yoshiaki Yasuda

Kumamoto University

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Emil Omurzak

Kumamoto University

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Kengo Taniguchi

Kumamoto University

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Liliang Chen

Kumamoto University

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Michiaki Yamasaki

Kumamoto University

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