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SEMINAR LMGP - 27.04.2021 - Quang-Chieu BUI

Published on April 8, 2021
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Seminar April 27, 2021
Grenoble INP - Phelma
3 parvis Louis Néel - 38000 Grenoble
Accès : TRAM B arrêt Cité internationale
2 pm - Salle des Conseils Z 704 - 7th floor
Building Z

Zinc Oxide thin films and nanowires grown by metal-organic chemical vapor deposition for piezoelectric application

BUI Quang-Chieu

BUI Quang-Chieu



Quang-Chieu BUI
Ph.D. student,
Univ. Grenoble Alpes, CNRS, Grenoble INP, LMGP, 38000 Grenoble, France
Univ. Grenoble Alpes, CNRS, Grenoble INP, IMEP-LaHC, 38000 Grenoble, France
Univ. Grenoble Alpes, CNRS, Grenoble INP, LTM, 38000 Grenoble, France





Abstract
 

   Zinc oxide has recently attracted much attention as a sustainable and high potential material for piezoelectric application as it is an abundant and biocompatible semiconducting compound with wurzite structure. However, the influence of grown conditions on the piezoelectric properties of zinc oxide thin films and nanowires has not been completely elucidated. By varying the growth conditions in pulsed-liquid injection metal–organic chemical vapor deposition, we study the morphologies transition of zinc oxide along with the evolution of their physical properties. The crystallinity and orientation of deposited ZnO nanostructures are analysed and compared with its resistivity, piezoelectric amplitude and polarities. The investigation has shown a strong correlation between the structural and electrical properties of zinc oxide with its piezoelectric property, revealing many ways of significantly improving the piezoelectric performance.


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Date of update April 12, 2021

Université Grenoble Alpes