NDLI: Raman Scattering Study of the Pb(Hf$_{x}$Ti$_{1−x}$)O$

Content Provider	Springer Nature Link
Author	Frantti, J. Fujioka, Y. Eriksson, S. Lantto, V. Kakihana, M.
Copyright Year	2004
Abstract	Raman spectroscopy was used to study the long wavelength vibrations of tetragonal perovskite (space group P4mm) Pb(Hf$_{x}$Ti$_{1−x}$)O$_{3}$ (PHT) (0.10 ≤ x ≤ 0.50) samples at room temperature and at ≈ 20 K. For x ≤ 0.40, Raman spectra collected from the PHT samples were very similar to the previous spectra collected from the PZT samples with the same value of x, except the mode at around 190 cm$^{−1}$, whose frequency was decreasing with increasing x in PHT ceramics. Correspondingly, the latter feature was taken as a sign of the ‘mass effect’ (Hf versus Zr) while the similarity of the remaining parts of the Raman spectra was assumed to be due to the almost identical ionic radii difference between Ti$^{4+}$ and Zr$^{4+}$ and between Ti$^{4+}$ and Hf$^{4+}$ ionic radii. The behaviour of the mode at around 280 cm$^{−1}$ revealed that a phase transition occurred once x was changing from 0.40 to 0.50.
Starting Page	299
Ending Page	303
Page Count	5
File Format	PDF
ISSN	13853449
Journal	Journal of Electroceramics
Volume Number	13
Issue Number	1-3
e-ISSN	15738663
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Raman spectroscopy peak split tetragonal perovskite lead hafnate titanate Polymer Sciences Optical and Electronic Materials Characterization and Evaluation Materials Ceramics, Glass, Composites, Natural Methods Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Materials Chemistry Mechanics of Materials Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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