Presentation 2006-05-18
RPE-MOCVD-growth of Zn_<1-x>CdxO film for visible emission region
Toshiya OHASHI, Junji ISHIHARA, Atsushi NAKAMURA, Toru AOKI, Jiro TEMMYO,
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Abstract(in English) ZnO is wide-gap semiconductor. The optical bandgap of ZnO films is 3.3eV and crystal structure is wurzite-type. Because exitonic binding energy of ZnO is 60meV, an efficient exciton emission from ZnO at room temperature is expected. On the other hand, CdO has rock-salt-type structure. Cd^<2+>(0.74Å) and Zn^<2+>(0.60Å) have near radii. So, ternary alloy can be realization. Zn_<1-x>Cd_xO films was grown by RPE-MOCVD. Growth temperature were changed from 250 to 450℃, RF power were changed from 0 to 90W. The content ratio of Zn_<1-x>Cd_xO films was controlled by changing the molar ratio of DEZn to DMCd. The optical characteristic and physical constant of Zn_<1-x>Cd_xO films were investigated. The optical bandgap of Zn_<1-x>Cd_xO films keeping wurzite-type was controlled between 3.3eV and 1.8eV at room temperature.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) remote plasma-enhanced MOCVD / ZnO / Zn_<1-x>CdxO / growth temperature / DMCd/(DEZn+DMCd) / RF power
Paper # ED2006-24,CPM2006-11,SDM2006-24
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Committee CPM
Conference Date 2006/5/11(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) RPE-MOCVD-growth of Zn_<1-x>CdxO film for visible emission region
Sub Title (in English)
Keyword(1) remote plasma-enhanced MOCVD
Keyword(2) ZnO
Keyword(3) Zn_<1-x>CdxO
Keyword(4) growth temperature
Keyword(5) DMCd/(DEZn+DMCd)
Keyword(6) RF power
1st Author's Name Toshiya OHASHI
1st Author's Affiliation Research Institute of Electronics, Shizuoka University()
2nd Author's Name Junji ISHIHARA
2nd Author's Affiliation Research Institute of Electronics, Shizuoka University
3rd Author's Name Atsushi NAKAMURA
3rd Author's Affiliation Research Institute of Electronics, Shizuoka University
4th Author's Name Toru AOKI
4th Author's Affiliation Research Institute of Electronics, Shizuoka University
5th Author's Name Jiro TEMMYO
5th Author's Affiliation Research Institute of Electronics, Shizuoka University
Date 2006-05-18
Paper # ED2006-24,CPM2006-11,SDM2006-24
Volume (vol) vol.106
Number (no) 46
Page pp.pp.-
#Pages 6
Date of Issue