by R. Fernández-Ruiz, D. Martín y Marero and V. Bermúdez
Abstract:
An anomalous structural effect has been observed and analyzed on LiNbO3 at low temperature by neutron-diffraction experiments. Two minima in the unit-cell volume at 55 and 100 K related with maxima and minima in the volume vibrational isotropic factors of Li and Nb atoms, respectively, and a change in the curve slope of the spontaneous stress at 55 K have been identified. This fact, together with the shortening in distance of the Li and O layers at 55 K, has been related with variations in the Ps factor through the secondary pyroelectric effect.
Reference:
R. Fernández-Ruiz, D. Martín y Marero and V. Bermúdez, “Anomalous structural feature of ${{textbackslash}mathrm{{LiNbO}}}_{3}$ observed using neutron diffraction”, Physical Review B, vol. 72, no. 18, pp. 184108.
Bibtex Entry:
@article{fernandez-ruiz_anomalous_2005,
title = {Anomalous structural feature of ${{textbackslash}mathrm{{LiNbO}}}_{3}$ observed using neutron diffraction},
volume = {72},
url = {https://link.aps.org/doi/10.1103/PhysRevB.72.184108},
doi = {10.1103/PhysRevB.72.184108},
abstract = {An anomalous structural effect has been observed and analyzed on LiNbO3 at low temperature by neutron-diffraction experiments. Two minima in the unit-cell volume at 55 and 100 K related with maxima and minima in the volume vibrational isotropic factors of Li and Nb atoms, respectively, and a change in the curve slope of the spontaneous stress at 55 K have been identified. This fact, together with the shortening in distance of the Li and O layers at 55 K, has been related with variations in the Ps factor through the secondary pyroelectric effect.},
number = {18},
urldate = {2017-11-20},
journal = {Physical Review B},
author = {Fernández-Ruiz, R. and Martín y Marero, D. and Bermúdez, V.},
month = nov,
year = {2005},
pages = {184108},
file = {APS Snapshot:E:\cmam_papers\files\1564\PhysRevB.72.html:text/html;APS Snapshot:E:\Usuarios\Administrator\Zotero\storage\9X5MDI2F\PhysRevB.72.html:text/html},
}