Surface lattice dynamics of layered transition metal oxides: <svg class="gs_fsvg" aria-label="Sr2RuO4" width="67px" height="15px" style="vertical-align:-4px;"><g transform="matrix(0.01700, 0.00000, 0.00000, 0.01700, 0.00000, 11.98500)"><g><g><g><g><g><g><