{"id":155,"date":"2017-07-23T14:58:23","date_gmt":"2017-07-23T18:58:23","guid":{"rendered":"https:\/\/sites.bu.edu\/nml\/?page_id=155"},"modified":"2017-07-23T14:58:23","modified_gmt":"2017-07-23T18:58:23","slug":"photoemission-spectroscopy","status":"publish","type":"page","link":"https:\/\/sites.bu.edu\/nml\/photoemission-spectroscopy\/","title":{"rendered":"Photoemission Spectroscopy"},"content":{"rendered":"<p><img loading=\"lazy\" src=\"\/nml\/files\/2017\/07\/Picture12-636x621.png\" alt=\"Picture12\" class=\"aligncenter  wp-image-156\" width=\"385\" height=\"376\" srcset=\"https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture12-636x621.png 636w, https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture12-768x750.png 768w, https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture12.png 866w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><\/p>\n<ul>\n<li>An x-ray photon is incident on sample, and ejects either a core or valence electron<\/li>\n<li>If we measure the kinetic energy of the emitted electrons we can determine the electron binding energy<\/li>\n<li>In angle resolved photoemission spectroscopy (ARPES), we measure the momentum of emitted valence band electrons, and this gives valence band dispersion and Fermi surfaces<\/li>\n<li>In angle integrated photoemission, we integrate over the momentum of the emitted valence band electrons, and get the valence band density of states<\/li>\n<li>Finally, in x-ray photoemission spectroscopy (XPS), we measure the kinetic energy of the emitted core electrons, and determine core level binding energies<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An x-ray photon is incident on sample, and ejects either a core or valence electron If we measure the kinetic energy of the emitted electrons we can determine the electron binding energy In angle resolved photoemission spectroscopy (ARPES), we measure the momentum of emitted valence band electrons, and this gives valence band dispersion and Fermi [&hellip;]<\/p>\n","protected":false},"author":13678,"featured_media":0,"parent":0,"menu_order":11,"comment_status":"closed","ping_status":"closed","template":"page-templates\/no-sidebars.php","meta":[],"_links":{"self":[{"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages\/155"}],"collection":[{"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/users\/13678"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/comments?post=155"}],"version-history":[{"count":1,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages\/155\/revisions"}],"predecessor-version":[{"id":157,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages\/155\/revisions\/157"}],"wp:attachment":[{"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/media?parent=155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}