青色LED、安価な原料で実現。低コスト化へ一歩

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http://www.nature.com/cgi-taf/DynaPage.taf?file=/nmat/journal/vaop/ncurrent/abs/nmat1284.html
Repeated temperature modulation epitaxy for p-type doping and light-emitting diode based on ZnO

ATSUSHI TSUKAZAKI1, AKIRA OHTOMO1, TAKEYOSHI ONUMA2, MAKOTO OHTANI1, TAKAYUKI MAKINO3, MASATOMO SUMIYA4, KEITA OHTANI5, SHIGEFUSA F. CHICHIBU2, 3, SYUNROU FUKE4, YUSABUROU SEGAWA3, HIDEO OHNO5, HIDEOMI KOINUMA6, 7 and MASASHI KAWASAKI1, 7
1 Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
2 Institute of Applied Physics and Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba 305-8573, Japan
3 Photodynamics Research Center, The Institute of Physical and Chemical Research (RIKEN), Sendai 980-0845, Japan
4 Department of Electrical and Electronic Engineering, Shizuoka University, Hamamatsu 432-8561, Japan
5 Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan
6 Materials and Structures Laboratory, Tokyo Institute of Technology, Yokohama 226-8503, Japan
7 Combinatorial Material Science and Technology (COMET), Tsukuba 305-0044, Japan

Correspondence to: MASASHI KAWASAKI [email protected]

Published online: 19 December 2004 | doi:10.1038/nmat1284