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Publications by C. Y. Chang

Hole Transport Improvement in InGaN/GaN Light-Emitting Diodes by Graded-Composition Multiple Quantum Barriers

Applied Physics Letters
AstronomyPhysics
2011English

Accumulation of Heavy Metals in Leaf Vegetables From Agricultural Soils and Associated Potential Health Risks in the Pearl River Delta, South China

Environmental Monitoring and Assessment
ManagementMonitoringEnvironmental ScienceMedicinePolicyLawPollution
2013English

Investigation of Efficiency Droop for UV-LED With N-Type AlGaN Layer

2011English

Search for Emission of Ultra--High-Energy Radiation From Active Galactic Nuclei

Astrophysical Journal
AstrophysicsAstronomyPlanetary ScienceSpace
1993English

High Efficiency Light Emitting Diode With Anisotropically Etched GaN-sapphire Interface

Applied Physics Letters
AstronomyPhysics
2009English

Constraints on Anomalous Quartic Gauge Boson Couplings Fromνν¯γγandqq¯γγevents at CERN LEP2

Physical Review D
2004English

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