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Novel Semiconductor Technologies of ZnO Films towards Ultraviolet LEDs and Invisible FETs

Akira OHTOMO, Masashi KAWASAKI

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Summary :

We present novel semiconductor technologies of ZnO epitaxial films with using laser molecular-beam epitaxy method. Exciting optical properties such as room temperature lasing in ZnO nanocrystalline films and quantum size effects in ZnO/MgxZn1-xO superlattices were observed. By developing crystalline quality with using lattice-matched substrates, we could control resistivity of the doped ZnO films from 10-3 Ωcm to 104 Ωcm. These results would provide us an opportunity to construct a monolithic array consisted of light emitting devices and field effect transistors towards a possible flat panel display.

Publication
IEICE TRANSACTIONS on Electronics Vol.E83-C No.10 pp.1614-1617
Publication Date
2000/10/25
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