{"id":18982,"date":"2016-10-27T13:32:50","date_gmt":"2016-10-27T17:32:50","guid":{"rendered":"https:\/\/news.cos.ucf.edu\/?p=18982"},"modified":"2016-11-30T15:23:28","modified_gmt":"2016-11-30T20:23:28","slug":"ucf-team-receive-revolutionary-microscope","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/news\/ucf-team-receive-revolutionary-microscope\/","title":{"rendered":"UCF Team to Receive Revolutionary Microscope"},"content":{"rendered":"
\"Leonid

Leonid Chernyak, Jonathan Lee and Elena Flitsiyan.<\/p><\/div>\n

The fastest detecting and most advanced electron microscope in the world is coming to the Department of Physics thanks to researchers at the University of Central Florida.<\/p>\n

The group researches properties within materials that could be used in a variety of fields from medicine to engineering. There is the potential of discovering novel ways to deliver medicine in non-intrusive ways and creating better and faster semiconductors to help with communications and energy use. But to get there researchers have to be able to observe the superfast processes happening in the material, which happens at the atomic level.<\/p>\n

The new microscope, the first to be located in the Americas, will help these researchers study the ultra-fast dynamics of electrons inside of the materials.<\/p>\n

The team led by Physics Professor Leonid Chernyak<\/a> went after and succeeded in landing a $1.5 million National Science Foundation grant to purchase the Allalin 4027 Chronos Cathodoluminescence Electron Microscope. This will be one of the few instruments of its kind manufactured.<\/p>\n

\u201cThis microscope can study a wide range of materials, from biomaterials to metals,\u201d Chernyak said. \u201cWe predict it will help us see some new things that we hope lead to some big discoveries.\u201d<\/p>\n

When Chernyak came to UCF in 1999, his lab housed the first electron microscope in the department. The university now maintains several of them, but none with the sophistication of the Attolight<\/a> microscope. A special team will install the new instrument in Spring 2017.<\/p>\n

The current microscopes produce images by using electrons. A machine sends electrons down through its column to hit the sample being observed. When the electrons hit the sample, secondary electrons are created and detected which produce pixels. These pixels create an image to be viewed and studied.<\/p>\n

The new electron microscope works similarly. However it is more sophisticated in that its detectors can be tuned for signals other than electrons \u2013 like light.<\/p>\n

The microscope can produce light by hitting the material with an electron beam, and the stimulated material then produces light. This process is called cathodoluminescence.<\/p>\n

The microscope\u2019s temperature can be varied over a very wide range, allowing researchers to probe samples under a variety of conditions, explained the researchers.<\/p>\n

The Attolight microscope, photo courtesy of Attolight AG.<\/p><\/div>\n

The new machine can produce not just a continuous beam, but a pulse, which is not something most microscopes can do.<\/p>\n

Chernyak explained that if the processes in the material are fast, then the beam you shine on it has to be faster or you won\u2019t see a reaction. The new machine is able to produce a pulse below 10 picosecond. A picosecond is one trillionth of a second. The material\u2019s response is then produced in nanoseconds, one billionth of a second.<\/p>\n

\u201cThe ability to pulse is what sets this new machine apart,\u201d explained Elena Flitsiyan<\/a>, associate lecturer and undergraduate program director in the Department of Physics. \u201cTo technically make this happen is very challenging.\u201d<\/p>\n

Flitsiyan, who received her Ph.D. in physics and math from Moscow State University, said the pulsing beam that sets the machine apart can only be created by Attolight, the manufacturing company.<\/p>\n

\u201cThe camera that detects its reaction can be described as a movie camera for the nano-world,\u201d she said. \u201cThe microscope generates high-resolution images of samples and the ultrafast optics allow us to collect emitted light with high resolution.\u201d<\/p>\n

There are many applications, Flitsiyan added. The tool will give the scientists a way to see how currents propagate in a sample. Then they will be able to determine how imperfections affect electric charge carriers in semiconductors. These are essential materials for building electronic devices.<\/p>\n

From space to medicine, this microscope will allow researchers across the university, and even the nation, to discover new components in the materials they are studying.<\/p>\n

Chernyak\u2019s research is focused on semiconductors while Flitsiyan\u2019s focus is on nuclear and radiation physics.<\/p>\n

Additional investigators on the project include Pieter Kik<\/a>, Ph.D., and Romain Gaume<\/a>, Ph.D., associate professors in the College of Optics & Photonics<\/a>, who work with optical photonics and filters.<\/p>\n

Andre Gesquiere<\/a>, Ph.D., an associate professor in the Department of Chemistry<\/a> and the Nanoscience Technology Center<\/a>, works with biological materials.<\/p>\n

And Dmitry Kolpashchikov<\/a>, Ph.D., an associate professor in the Department of Chemistry<\/a>, researches cancer cells.<\/p>\n

Physics graduate student Jonathan Lee<\/a> will be the primary user of the microscope as he studies semiconductors for his research.<\/p>\n

In addition to aiding these researchers, the microscope will be available to other UCF researchers and students and collaborators at other universities and organizations in the Americas. External users will need to pay a fee to book time on the machine and the money collected will be used to service and maintain the instrument, Chernyak said.<\/p>\n

\u201cWe expect great things,\u201d Chernyak said. \u201cWe are counting the days until installation.\u201d<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

The fastest detecting and most advanced electron microscope in the world is coming to the Department of Physics thanks to researchers at the University of Central Florida. The group researches properties within materials that could be used in a variety of fields from medicine to engineering. There is the potential of discovering novel ways to […]<\/p>\n","protected":false},"author":120,"featured_media":18983,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3,38,39,40,13,14,27,28,29],"tags":[164,359,573,922,1137,1841,2051,2433,3539],"class_list":["post-18982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-awards","category-breaking-news","category-faculty-news","category-graduate-student-news","category-news","category-physics-departments","category-stem","category-top-news","category-ucf-news","tag-allalin-4027-chronos-cathodoluminescence-electron-microscope","tag-attolight","tag-cathodoluminescence","tag-department-of-physics","tag-elena-flitsiyan","tag-jonathan-lee","tag-leonid-chernyak","tag-national-science-foundation","tag-ucf-department-of-physics"],"yoast_head":"\nUCF Team to Receive Revolutionary Microscope - College of Sciences News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences.ucf.edu\/news\/ucf-team-receive-revolutionary-microscope\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UCF Team to Receive Revolutionary Microscope - College of Sciences News\" \/>\n<meta property=\"og:description\" content=\"The fastest detecting and most advanced electron microscope in the world is coming to the Department of Physics thanks to researchers at the University of Central Florida. 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