Optical metastability in InGaN/GaN heterostructures

被引:0
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作者
Shmagin, IK [1 ]
Muth, JF [1 ]
Kolbas, RM [1 ]
Dupuis, RD [1 ]
Grudowski, PA [1 ]
Eiting, CJ [1 ]
Park, J [1 ]
Shelton, BS [1 ]
Lambert, DJH [1 ]
机构
[1] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA
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TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Optical metastability was studied in an InGaN/GaN single heterostructure. It was observed that an exposure to a high intensity ultraviolet (UV) light temporaryly changes the optical properties of the InGaN/GaN epitaxial layer. The photo-induced changes wee used to create high contrast optical patterns on the sample at room temperature and 77 K. The photo-induced patterns were viewed under low-intensity illumination with UV light from the same light source.
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页码:375 / 378
页数:4
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