{"id":185,"date":"2024-07-15T20:28:54","date_gmt":"2024-07-16T03:28:54","guid":{"rendered":"https:\/\/dornsife.usc.edu\/kresin\/?page_id=185"},"modified":"2024-08-03T12:57:46","modified_gmt":"2024-08-03T19:57:46","slug":"water-clusters","status":"publish","type":"page","link":"https:\/\/dornsife.usc.edu\/kresin\/water-clusters\/","title":{"rendered":"Water clusters"},"content":{"rendered":"\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n      \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <p>Water is, to use an understatement, important and interesting. It&#8217;s also peculiarly challenging to understand. Clusters of water molecules are useful prototype systems for exploring the microscopic structure, bonding, solvation properties, and phase transitions of this fascinating substance. Systematic observations of the variation of cluster properties with size can be translated into insights about molecular motion and internal interactions. We&#8217;re working with water clusters to study:<\/p>\n<ul>\n<li>Embedding of molecules within water clusters and implications for mass spectrometry<\/li>\n<li>The evolution of electric dipole moment with cluster size<\/li>\n<li>The onset and development of solvation<\/li>\n<\/ul>\n<p><strong>See APS\u00a0<em>Physics\u00a0<\/em>Focus story:\u00a0<a href=\"http:\/\/link.aps.org\/doi\/10.1103\/Physics.8.9\" target=\"_blank\" rel=\"noopener\">\u201cBreaking up is hard to understand\u201d<\/a>,<\/strong><\/p>\n<p><strong><em>New Scientist<\/em><\/strong><strong>\u00a0story:\u00a0<a href=\"http:\/\/www.newscientist.com\/article\/dn26957-half-a-dozen-molecules-cause-vital-acid-break-up\/\" target=\"_blank\" rel=\"noopener\">&#8220;Half a dozen molecules cause vital acid break-up&#8221;<\/a>,<\/strong><\/p>\n<p><strong>Journal Club for Condensed Matter Physics commentary:\u00a0<a href=\"https:\/\/www.condmatjclub.org\/?p=2573\" target=\"_blank\" rel=\"noopener\">&#8220;Quantum Acid-Water&#8221;<\/a><\/strong><\/p>\n<p>&nbsp;<\/p>\n<h3>Water cluster beam apparatus<\/h3>\n<p>Water clusters are produced by expanding water vapor through a small nozzle into vacuum. They can then have other molecules attached to them, deflected by a strong inhomogeneous electric field, or subjected to other probes. At the end, they are ionized by electron bombardment and detected by a quadrupole mass spectrometer.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-196 size-full\" src=\"https:\/\/dornsife.usc.edu\/kresin\/wp-content\/uploads\/sites\/446\/2024\/07\/Watermachine.jpeg\" alt=\"Photo of a machine that shuttles water through various aparati\" width=\"800\" height=\"598\" srcset=\"https:\/\/dornsife.usc.edu\/kresin\/wp-content\/uploads\/sites\/446\/2024\/07\/Watermachine.jpeg 800w, https:\/\/dornsife.usc.edu\/kresin\/wp-content\/uploads\/sites\/446\/2024\/07\/Watermachine-300x224.jpeg 300w, https:\/\/dornsife.usc.edu\/kresin\/wp-content\/uploads\/sites\/446\/2024\/07\/Watermachine-768x574.jpeg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n\n\n\n<\/div>\n\n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":17,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-185","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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