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Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films
Tang Z.K.3; Wong G.K.L.3; Yu P.3; Kawasaki M.1; Ohtomo A.1; Koinuma H.1; Segawa Y.2
1998-12-01
Source PublicationApplied Physics Letters
ISSN00036951
Volume72Issue:25Pages:3270-3272
AbstractRoom-temperature ultraviolet (UV) laser emission of ZnO microcrystallite thin films is reported. The hexagonal ZnO microcrystallites are grown by laser molecular beam epitaxy. They are self-assembled and parallelly arrayed on sapphire substrates. The facets of the hexagons form natural Fabry-Pérot lasing cavities. The optical gain for the room-temperature UV stimulated emission is of an excitonic nature and has a peak value an order of magnitude larger than that of bulk ZnO crystal. The observation of room-temperature UV lasing from the ordered, nano-sized ZnO crystals represents an important step towards the development of nanometer photoelectronics. © 1998 American Institute of Physics.
DOI10.1063/1.121620
URLView the original
Language英語
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Cited Times [WOS]:1779   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Tokyo Institute of Technology
2.RIKEN (The Institute of Physical and Chemical Research)
3.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Tang Z.K.,Wong G.K.L.,Yu P.,et al. Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films[J]. Applied Physics Letters,1998,72(25):3270-3272.
APA Tang Z.K..,Wong G.K.L..,Yu P..,Kawasaki M..,Ohtomo A..,...&Segawa Y..(1998).Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films.Applied Physics Letters,72(25),3270-3272.
MLA Tang Z.K.,et al."Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films".Applied Physics Letters 72.25(1998):3270-3272.
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