{"id":393836,"date":"2017-10-25T14:04:58","date_gmt":"2017-10-25T18:04:58","guid":{"rendered":"https:\/\/www.sciencedaily.com\/releases\/2017\/10\/171025140458.htm"},"modified":"2017-10-25T14:04:58","modified_gmt":"2017-10-25T18:04:58","slug":"models-clarify-physics-at-photocathode-surfaces","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=393836","title":{"rendered":"Models clarify physics at photocathode surfaces"},"content":{"rendered":"<p>Advances in materials science have improved the composition of materials used in photocathode production that can operate at visible wavelengths and produce a beam with reduced transverse electron momentum spread; however, the surface roughness of the photocathode continues to limit beam properties. Researchers created computer models to bridge the gap to provide a better picture of the physics at the surface of the photocathode. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Advances in materials science have improved the composition of materials used in photocathode production that can operate at visible wavelengths and produce a beam with reduced transverse electron momentum spread; however, the surface roughness of the &#8230;<\/p>\n","protected":false},"author":61,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-393836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/393836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/61"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=393836"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/393836\/revisions"}],"predecessor-version":[{"id":393837,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/393836\/revisions\/393837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=393836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=393836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=393836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}