In　this　paper,　an　analytical　method　is　presented　for　the　study　of　shear　horizontal　surface　acoustic　waves　in　semi-infinite　piezoelectrics/metal　superlattices.　The　results　show　that　the　high　electromechanical　coupling　coefficient　and　wide　usable　frequency　range　can　be　obtained　in　these　superlattices.　Crown　Copyright　(C)　2008　Published　by　Elsevier　B.　V.　All　rights　reserved.