%0 Journal Article %1 WOS:000175077000011 %A Pilla, O %A Fontana, A %A Freire, PTC %A Teixeira, AMR %C 4 PARK SQUARE, MILTON PARK,, ABINGDON OX14 4RN, OXON, ENGLAND %D 2002 %I TAYLOR & FRANCIS LTD %J PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES %K imported %N 6 %P 755-761 %R 10.1080/13642810110101975 %T High-pressure Brillouin scattering from vitreous (Y2O3)(0.27)(P2O5)(0.73) %V 82 %X Brillouin experiments on vitreous yttrium-phosphate glass under pressures up to 7GPa obtained using a diamond anvil cell are reported, Irreversible changes occur as a function of pressure and are interpreted as an indication of a new polymorph of the original glass. The results are compared with the experimental data available for a series of different glassy systems. The observed Brillouin frequency shift under pressure relative to longitudinal waves is assigned to a rearrangement of PO4 tetrahedra. A mechanism accounting for the pressure-induced transition in glasses is proposed.

@article{WOS:000175077000011, abstract = {Brillouin experiments on vitreous yttrium-phosphate glass under pressures up to 7GPa obtained using a diamond anvil cell are reported, Irreversible changes occur as a function of pressure and are interpreted as an indication of a new polymorph of the original glass. The results are compared with the experimental data available for a series of different glassy systems. The observed Brillouin frequency shift under pressure relative to longitudinal waves is assigned to a rearrangement of PO4 tetrahedra. A mechanism accounting for the pressure-induced transition in glasses is proposed.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {4 PARK SQUARE, MILTON PARK,, ABINGDON OX14 4RN, OXON, ENGLAND}, author = {Pilla, O and Fontana, A and Freire, PTC and Teixeira, AMR}, biburl = {https://www.bibsonomy.org/bibtex/2e1b22eb608fe59b57c2fea80bc811817/ppgfis_ufc_br}, doi = {10.1080/13642810110101975}, interhash = {8a41bebbdf509c30bbca908b7e16173a}, intrahash = {e1b22eb608fe59b57c2fea80bc811817}, issn = {0141-8637}, journal = {PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES}, keywords = {imported}, note = {8th International Workshop on Disordered Systems, ANDALO, ITALY, MAR 12-15, 2001}, number = 6, pages = {755-761}, publisher = {TAYLOR & FRANCIS LTD}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {High-pressure Brillouin scattering from vitreous (Y2O3)(0.27)(P2O5)(0.73)}, tppubtype = {article}, volume = 82, year = 2002 }