Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Mi Jae Lee"'
Publikováno v:
Journal of Nanoscience and Nanotechnology. 13:3341-3345
Transparent p-type semiconducting SrCu2O2 films have been deposited by RF magnetron sputtering under unbalanced bipolar pulsed DC bias on low-alkali glass substrates in a mixed gas of 1% H2/Ar below 400 degrees C. The pulsed DC bias voltages to subst
Autor:
Myung-Keun Hwang, Jin-Ho Kim, Mi-Jae Lee, Han-Lim Kang, Jung-Geun Lee, Hee-Suk Jeong, Young-Sik Lee, Yoo-Jin Chae
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 26:330-334
We developed a package of remote phosphor structure having blue LED chips and phosphors physically separated, and the characteristics were evaluated according to different classifications of phosphor coatings. Remote phosphor was produced by screen p
Publikováno v:
Ceramics International. 38:S623-S626
Transparent p–n heterojunction diodes based on oxide semiconductors were fabricated by RF magnetron sputtering on alkali-free glass substrates below 500 °C. 3% Al-doped ZnO (∼400 nm) was deposited as an n-type component, and SrCu 2 O 2 (∼290 n
Publikováno v:
Journal of Electroceramics. 17:319-322
Photoluminescence and photocurrent characteristics of Eu 2+ activated MAl 2 O 4 (M = Ba, Ca, Sr) phosphors during and after Ultraviolet ray and visible light irradiation have been investigated. The photoluminescence (PL) and the photocurrent (PC) of
Publikováno v:
Journal of the European Ceramic Society. 26:2885-2888
The ordering behaviour of Ba(Mg 1/3 Nb 2/3 )O 3 ceramics (BMN) substituted by La 3+ , Na + , K + was investigated using X-ray powder diffraction and transmission electron microscopy. The 1:2 ordered structure of BMN can be transformed to 1:1 ordered
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 17:718-723
Autor:
Jong-Hoo Paik, Byung-Hyun Choi, Sahn Nahm, Mi-Jung Jee, Hwack-Joo Lee, Eun-Kyeong Lim, Mi-Jae Lee, Hyo-Tae Kim
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 17:384-389
Autor:
Mi-Jung Ji, Jong-Hoo Paik, Byung-Hyun Choi, Changgon Kwak, Seiki Kim, Hyunjun Park, Mi-Jae Lee
Publikováno v:
Journal of Physics and Chemistry of Solids. 69:1139-1141
Mesoporous hydrogen titanium oxide hydrates have been synthesized by hydrothermal treatment of nano-sized titania powder (P-25) in a 10 M-NaOH aqueous solution in the temperature range of 90–210 °C for 24 h. XRD patterns of the as-synthesized powd
Autor:
Young Hun Jeong, Young-Jin Lee, Yong-Jun Park, Mi-Jae Lee, Wooyoung Lee, Jong-Hoo Paik, Jin-Soo Choi
Publikováno v:
Korean Journal of Materials Research. 18:475~481-475~481
Positive temperature coefficient of resistivity (PTCR) characteristics of (1-x)BaTiO3-x(Bi0.5K0.5)TiO3ceramics doped with Nb2O5 were investigated in order to develop the Pb-free PTC thermistor available at hightemperatures of >120oC. The PTCR charact