Abstract
Electro-optical birefringence measurements by spectroscopic ellipsometry on ZnO-BaTiO3 -ZnO heterostructures, grown by pulsed laser deposition on (0001) sapphire are reported. Wurtzite-structure ZnO layers serve as transparent conducting electrodes. An interesting hysteresis is observed, tentatively assigned due to coupling between wurtzite and ferroelectric polarization, and ferroelectric phase transition.
Original language | English (US) |
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Pages (from-to) | 61-62 |
Number of pages | 2 |
Journal | Annalen der Physik (Leipzig) |
Volume | 13 |
Issue number | 1-2 |
DOIs | |
State | Published - 2004 |
Externally published | Yes |
Keywords
- BaTiO
- Electro-optic birefringence
- Ellipsometry
- Spontaneous polarization
- ZnO
ASJC Scopus subject areas
- General Physics and Astronomy