Amorphous KNbO3 thin films with ferroelectric like properties

Amorphous KNbO3 thin films with ferroelectric like properties

Amorphous KNbO3 films are prepared by a low-cost sol–gel method. These films show a smooth surface morphology and have good waveguiding properties. Ferroelecticlike hysteresis loops are observed in these amorphous KNbO3 films with a remanant polarization of about 6µC/cm2. After corona poling, a stab...

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Bibliographic Details
Main Authors: Sun, Handong, Siu, H. S., Zhu, Y. Y., Yu, P., Wong, G. K. L., Xiao, R. F.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2009
Subjects:
DRNTU::Science::Physics::Optics and light
Online Access:https://hdl.handle.net/10356/93768
http://hdl.handle.net/10220/6136
http://scitation.aip.org.ezlibproxy1.ntu.edu.sg/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000070000002000164000001&
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Institution: Nanyang Technological University
Language: English
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Summary:Amorphous KNbO3 films are prepared by a low-cost sol–gel method. These films show a smooth surface morphology and have good waveguiding properties. Ferroelecticlike hysteresis loops are observed in these amorphous KNbO3 films with a remanant polarization of about 6µC/cm2. After corona poling, a stable effective second harmonic generation coefficient of 0.523 pm/V is achieved.

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