Milliwatt Power Blue InGaN/GaN Light-Emitting Diodes on Semipolar GaN Templates
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概要
- 論文の詳細を見る
Growth of semipolar Group-III nitrides based devices offers a means of reducing the deleterious effects of the polarization-induced electric fields present in the polar quantum wells. We report on the fabrication of blue InGaN/GaN multiple-quantum well light-emitting diodes (LEDs) on semipolar ($10\bar{1}\bar{1}$) and ($10\bar{1}\bar{3}$) oriented GaN templates. A maximum on-wafer continuous wave output power of 190 μW was measured at 20 mA for $300\times 300$ μm2 devices, and output power as high as 1.53 mW was measured at 250 mA. Drive-current independent electroluminescence peak at 439 nm was observed for the LEDs grown on both the planes. The current–voltage characteristics of these LEDs showed rectifying behavior with a forward voltage of 3–4 V at 20 mA.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2005-07-10
著者
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CHAKRABORTY Arpan
Electrical and Computer Engineering and Materials Departments, University of California
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Nakamura Shuji
Electrical And Computer Engineering Department University Of California
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BAKER Troy
Electrical and Computer Engineering and Materials Departments, University of California
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HASKELL Benjamin
Electrical and Computer Engineering and Materials Departments, University of California
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WU Feng
Electrical and Computer Engineering and Materials Departments, University of California
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Speck James
Electrical & Computer Engineering and Materials Departments, University of California Santa Barbara, CA 93106, U.S.A.
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Mishra Umesh
Electrical & Computer Engineering and Materials Departments, University of California Santa Barbara, CA 93106, U.S.A.
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DenBaars Steven
Electrical & Computer Engineering and Materials Departments, University of California Santa Barbara, CA 93106, U.S.A.
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Wu Feng
Electrical and Computer Engineering and Materials Departments, University of California, Santa Barbara, CA 93106, U.S.A.
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Chakraborty Arpan
Electrical and Computer Engineering and Materials Departments, University of California, Santa Barbara, CA 93106, U.S.A.
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Baker Troy
Electrical and Computer Engineering and Materials Departments, University of California, Santa Barbara, CA 93106, U.S.A.
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