{"id":135,"date":"2017-07-23T14:29:38","date_gmt":"2017-07-23T18:29:38","guid":{"rendered":"https:\/\/sites.bu.edu\/nml\/?page_id=135"},"modified":"2017-07-23T14:30:00","modified_gmt":"2017-07-23T18:30:00","slug":"soft-x-ray-emission-spectroscopy","status":"publish","type":"page","link":"https:\/\/sites.bu.edu\/nml\/soft-x-ray-emission-spectroscopy\/","title":{"rendered":"Soft X-Ray Emission Spectroscopy"},"content":{"rendered":"<p><img loading=\"lazy\" src=\"\/nml\/files\/2017\/07\/Picture4-636x342.png\" alt=\"Picture4\" class=\"aligncenter wp-image-136\" width=\"404\" height=\"217\" srcset=\"https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture4-636x342.png 636w, https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture4.png 706w\" sizes=\"(max-width: 404px) 100vw, 404px\" \/><\/p>\n<p style=\"padding-left: 30px; text-align: left;\">In the x-ray emission experiment, a solid is illuminated with a monochromatic beam of x-rays.\u00a0 These excite core electrons from the system.\u00a0 The resulting core holes are filled by the radiative transition of valence band electrons, with the emission of a fluorescent x-ray photon.\u00a0 The energy of these emitted photons is then measured using a<a href=\"https:\/\/sites.bu.edu\/nml\/soft-x-ray-emission-spectrometer\/\"> grating spectrometer<\/a>.<\/p>\n<p><img loading=\"lazy\" src=\"\/nml\/files\/2017\/07\/Picture5-636x537.png\" alt=\"Picture5\" class=\"aligncenter wp-image-137\" width=\"330\" height=\"279\" srcset=\"https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture5-636x537.png 636w, https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture5-768x649.png 768w, https:\/\/sites.bu.edu\/nml\/files\/2017\/07\/Picture5.png 1007w\" sizes=\"(max-width: 330px) 100vw, 330px\" \/><\/p>\n<ul>\n<li>h\u03bd = 50 ~ 1500 eV<\/li>\n<li>Bulk sensitive (~ 1000 \u00c5), so no need for large crystals, or clean ordered surfaces<\/li>\n<li>Atomic and chemical specific<\/li>\n<li>Strong dipole selection rules means the fluorescent spectrum reflects the occupied valence band partial density of states<\/li>\n<li>Operational in external fields and (windowed) liquid environments<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the x-ray emission experiment, a solid is illuminated with a monochromatic beam of x-rays.\u00a0 These excite core electrons from the system.\u00a0 The resulting core holes are filled by the radiative transition of valence band electrons, with the emission of a fluorescent x-ray photon.\u00a0 The energy of these emitted photons is then measured using a [&hellip;]<\/p>\n","protected":false},"author":13678,"featured_media":0,"parent":0,"menu_order":8,"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\/135"}],"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=135"}],"version-history":[{"count":1,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages\/135\/revisions"}],"predecessor-version":[{"id":138,"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/pages\/135\/revisions\/138"}],"wp:attachment":[{"href":"https:\/\/sites.bu.edu\/nml\/wp-json\/wp\/v2\/media?parent=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}