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|Title:||Raman spectra of MOCVD-grown ferroelectric PbTiO3 thin films|
|Authors:||Feng, Z.C. |
|Source:||Feng, Z.C.,Kwak, B.S.,Erbil, A.,Boatner, L.A. (1994). Raman spectra of MOCVD-grown ferroelectric PbTiO3 thin films. Materials Research Society Symposium Proceedings 335 : 75-80. ScholarBank@NUS Repository.|
|Abstract:||Lead titanate (PbTiO3) has been grown on a variety of substrates by using the metalorganic chemical vapor deposition (MOCVD) technique. The substrates employed included Si, GaAs, MgO, fused-quartz, sapphire, and KTaO3. Raman spectra from these heterostructures are presented. All of the films exhibited the strong, narrow spectral features characteristic of PbTiO3 perovskite-oxide crystals and indicative of high crystalline quality. Temperature behaviors of the Raman modes, including the so-called `soft-mode', were studied. A `difference-Raman' technique was used to distinguish the contributions of the PbTiO3 single-crystal substrate.|
|Source Title:||Materials Research Society Symposium Proceedings|
|Appears in Collections:||Staff Publications|
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