{"id":110,"date":"2017-10-04T19:18:16","date_gmt":"2017-10-04T19:18:16","guid":{"rendered":"https:\/\/www.macalester.edu\/160-physics-astronomy\/scanningelectronmicroscope\/"},"modified":"2024-06-20T16:33:03","modified_gmt":"2024-06-20T16:33:03","slug":"scanningelectronmicroscope","status":"publish","type":"page","link":"https:\/\/www.macalester.edu\/physics-astronomy\/research\/facilities\/scanningelectronmicroscope\/","title":{"rendered":"Scanning Electron Microscope"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"246\" height=\"328\" src=\"https:\/\/www.macalester.edu\/physics-astronomy\/wp-content\/uploads\/sites\/573\/2016\/04\/sem1.jpg\" alt=\"sem1\" class=\"wp-image-55\" srcset=\"https:\/\/www.macalester.edu\/physics-astronomy\/wp-content\/uploads\/sites\/573\/2016\/04\/sem1.jpg 246w,  https:\/\/www.macalester.edu\/physics-astronomy\/wp-content\/uploads\/sites\/573\/2016\/04\/sem1-225x300.jpg 225w\" sizes=\"auto, (max-width: 246px) 100vw, 246px\" \/><\/figure>\n\n\n\n<p>Olin Rice&#8217;s Keck Lab houses a Scanning Electron Microscope (SEM) that is invaluable the Macalester physics experience. \u00a0Instead of using light, the SEM employs an electron beam to scan sample surfaces. \u00a0This is made possible by an electric potential of 20,000 volts\u00a0 within them microscope. \u00a0Electrons are accelerated through this potential in order to collide with the sample of the sample surface. \u00a0From the impact of ionization on the surface, due to the electron beam, x-rays are emitted from the sample and detected by a Si(Li) Dector. \u00a0The result is a high resultion and seemly 3D image of a sample element&#8217;s surface. \u00a0The SEM is namely used for research in the physical sciences.<\/p>","protected":false},"excerpt":{"rendered":"<p>Olin Rice&#8217;s Keck Lab houses a Scanning Electron Microscope (SEM) that is invaluable the Macalester physics experience. \u00a0Instead of using light, the SEM employs an electron beam to scan sample surfaces. \u00a0This is made possible by an electric potential of 20,000 volts\u00a0 within them microscope. \u00a0Electrons are accelerated through this potential in order to collide [&hellip;]<\/p>","protected":false},"author":913,"featured_media":0,"parent":104,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-110","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/pages\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/users\/913"}],"replies":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/comments?post=110"}],"version-history":[{"count":2,"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/pages\/110\/revisions"}],"predecessor-version":[{"id":887,"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/pages\/110\/revisions\/887"}],"up":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/pages\/104"}],"wp:attachment":[{"href":"https:\/\/www.macalester.edu\/physics-astronomy\/wp-json\/wp\/v2\/media?parent=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}