Multiferroic Pb(Fe[sub 1∕2]Nb[sub 1∕2])O[sub 3] Single Crystals: A Raman scattering study

2010 ◽  
Author(s):  
A. F. García-Flores ◽  
D. A. Tenne ◽  
W. J. Ren ◽  
X. X. X. Xi ◽  
S.-W. Cheong ◽  
...  
2015 ◽  
Vol 644 ◽  
pp. 854-861 ◽  
Author(s):  
I. Jankowska-Sumara ◽  
M. Ptak ◽  
M. Mączka ◽  
A. Majchrowski ◽  
T.H. Kim ◽  
...  

2009 ◽  
Vol 80 (1) ◽  
Author(s):  
N. Lazarević ◽  
Z. V. Popović ◽  
Rongwei Hu ◽  
C. Petrovic

1997 ◽  
Vol 484 ◽  
Author(s):  
Spirit Tlali ◽  
Howard E. Jackson ◽  
M. C. Ohmer ◽  
P. G. Schunemann ◽  
T. M. Pollak

AbstractRaman scattering experiments on high quality ZnGeP2 single crystals grown by the seeded horizontal dynamic gradient technique have been carried out. Polarized Raman spectra were obtained in the backscattering geometry at both room and low temperatures for several crystal orientations and compared with group theoretical predictions. Raman spectra from as-grown and annealed samples display distinctive differences which were explored by utilizing two different excitation wavelengths: 514.3 nm and 632.8 nm; the observed differences are attributed to a surface interdiffuasion effect.


2010 ◽  
Author(s):  
Barbara Rossi ◽  
Marco Giarola ◽  
Gino Mariotto ◽  
Emmanuele Ambrosi ◽  
Hugo L. Monaco ◽  
...  

2015 ◽  
Vol 05 (02) ◽  
pp. 1550013 ◽  
Author(s):  
J. Pokorný ◽  
I. Rafalovskyi ◽  
I. Gregora ◽  
F. Borodavka ◽  
M. Savinov ◽  
...  

This paper describes a detailed analysis of the dependence of Raman scattering intensity on the polarization of the incident and inelastically scattered light in PbSc 0.5 Nb 0.5 O 3 (PSN) single crystals and epitaxially compressed thin films grown on (100)-oriented MgO substrates. It is found that there are significant differences between the properties of the crystals and films, and that these differences can be attributed to the anticipated structural differences between these two forms of the same material. In particular, the scattering characteristics of the oxygen octahedra breathing mode near 810 cm-1 indicate a ferroelectric state for the crystals and a relaxor state for the films, which is consistent with the dielectric behaviors of these materials.


1996 ◽  
Vol 45 (8) ◽  
pp. 1402
Author(s):  
JIANG YI-JIAN ◽  
ZENG LING-ZHI ◽  
WANG RONG-PING ◽  
ZHU YONG ◽  
LIU YU-LONG

2000 ◽  
Vol 239 (1) ◽  
pp. 125-131 ◽  
Author(s):  
T. Runka ◽  
M. Kozielski ◽  
M. Drozdowski ◽  
L. Szczepańska

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