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Conferences > CLEOPR > 2015 > 25H2 > 25H2_1
  • 2015 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2015),
  • paper 25H2_1

Two-dimensional Mapping of Strain and Piezoelectric Polarization in InGaN/GaN MQWs by Electron Dark-field Holography

Kyung Song and Sang Ho Oh

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Abstract

Applying the state-of-the-art inline electron holography to a light emitting diode containing strained InGaN/GaN multiquantum wells, we show fully quantitative maps of 2-D strain and charge density can be obtained and correlated with sub-nanometer resolution.

© 2015 IEEE

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